19 files changed, 5370 insertions, 0 deletions
diff --git a/admin/survey/pChart/Fonts/GeosansLight.ttf b/admin/survey/pChart/Fonts/GeosansLight.ttf
new file mode 100644
index 0000000..055932a
--- /dev/null
+++ b/admin/survey/pChart/Fonts/GeosansLight.ttf
diff --git a/admin/survey/pChart/Fonts/MankSans.ttf b/admin/survey/pChart/Fonts/MankSans.ttf
new file mode 100644
index 0000000..a6146a9
--- /dev/null
+++ b/admin/survey/pChart/Fonts/MankSans.ttf
diff --git a/admin/survey/pChart/Fonts/Silkscreen.ttf b/admin/survey/pChart/Fonts/Silkscreen.ttf
new file mode 100644
index 0000000..ae4425d
--- /dev/null
+++ b/admin/survey/pChart/Fonts/Silkscreen.ttf
diff --git a/admin/survey/pChart/Fonts/pf_arma_five.ttf b/admin/survey/pChart/Fonts/pf_arma_five.ttf
new file mode 100644
index 0000000..db04ec3
--- /dev/null
+++ b/admin/survey/pChart/Fonts/pf_arma_five.ttf
diff --git a/admin/survey/pChart/Fonts/tahoma.ttf b/admin/survey/pChart/Fonts/tahoma.ttf
new file mode 100644
index 0000000..59b14a2
--- /dev/null
+++ b/admin/survey/pChart/Fonts/tahoma.ttf
diff --git a/admin/survey/pChart/Fonts/verdana.ttf b/admin/survey/pChart/Fonts/verdana.ttf
new file mode 100644
index 0000000..5a53bcd
--- /dev/null
+++ b/admin/survey/pChart/Fonts/verdana.ttf
diff --git a/admin/survey/pChart/classes/class.MyHorBar.php b/admin/survey/pChart/classes/class.MyHorBar.php
new file mode 100644
index 0000000..8194add
--- /dev/null
+++ b/admin/survey/pChart/classes/class.MyHorBar.php
@@ -0,0 +1,774 @@
+<?php
+
+/*
+     pChart - a PHP class to build charts!
+     Copyright (C) 2008 Jean-Damien POGOLOTTI
+     Version  1.27d last updated on 09/30/08
+
+     Extension by Gabriele FERRI
+	http://www.gabrieleferri.it
+	MyHorBar.class is writen to extend pChart.class to write a horizontal bar charts
+	Copyright (C) 2009 Gabriele FERRI
+	version 1.0beta 08/05/2009
+	Contact me with bug reports and comments: info@gabrieleferri.it
+
+
+     http://pchart.sourceforge.net
+
+     This program is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 1,2,3 of the License, or
+     (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     Draw methods :
+	drawHorBarGraph($Data,$DataDescription,$Shadow=TRUE,$Alpha=100)
+	drawHorScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE)
+	drawHorGrid($LineWidth,$Mosaic,$R=220,$G=220,$B=220,$Alpha=100)
+	drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnBottom=FALSE,$TickWidth=4,$FreeText=NULL,$Angle=0)
+*/
+
+class MyHorBar extends pChart
+  {
+   
+   /* This function draw a bar graph */
+   function drawHorBarGraph($Data,$DataDescription,$insideValues=false,$insideValuesSmall=false,$Shadow=TRUE,$Alpha=100)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBarGraph",$DataDescription);
+     $this->validateData("drawBarGraph",$Data);
+
+     $GraphID      = 0;
+     $Series       = count($DataDescription["Values"]);
+     $SeriesWidth  = $this->DivisionWidth / ($Series+1);
+
+     $SerieYOffset = $this->DivisionWidth / 2 - $SeriesWidth * $Series / 2;
+     
+     $XZero  = $this->GArea_X1 + ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $XZero < $this->GArea_X1 ) { $XZero = $this->GArea_X1; }
+
+     $SerieID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $YPos  = $this->GArea_Y1 + $this->GAreaXOffset + $SerieYOffset + $SeriesWidth * $SerieID;
+
+       $XLast = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           if ( is_numeric($Data[$Key][$ColName]) )
+            {
+             $Value = $Data[$Key][$ColName];
+
+	     $XPos = $this->GArea_X1 + (($Value-$this->VMin) * $this->DivisionRatio);
+
+             /* Save point into the image map if option activated */
+             if ( $this->BuildMap )
+              {
+               $this->addToImageMap(min($XZero,$XPos),$YPos+1,max($XZero,$XPos), $YPos+$SeriesWidth-1,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Bar");
+              }
+           
+             if ( $Shadow && $Alpha == 100 )
+              $this->drawRectangle($XZero,$YPos+1,$XPos,$YPos+$SeriesWidth-1,25,25,25,TRUE,$Alpha);
+
+             $this->drawFilledRectangle($XZero,$YPos+1,$XPos,$YPos+$SeriesWidth-1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
+			 
+			 // Izrisemo vrednosti znotraj stolpca
+			 if($insideValues == true){
+				
+				if($DataDescription["Unit"]["Y"] == '%')
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_PERCENT'));
+				else
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_AVERAGE'));
+				
+			   if ( $DataDescription["Format"]["Y"] == "number" )
+				$Text = $Value.$DataDescription["Unit"]["Y"];
+			   if ( $DataDescription["Format"]["Y"] == "time" )
+				$Text = $this->ToTime($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "date" )
+				$Text = $this->ToDate($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "metric" )
+				$Text = $this->ToMetric($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "currency" )
+				$Text = $this->ToCurrency($Value);        
+				
+			   $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Text);
+			   $TextWidth = $Position[2]-$Position[0];
+
+			   $X = ($XZero + $XPos) / 2;
+			   $Y = ($YPos+1 + $YPos+$SeriesWidth-1) / 2;
+
+				$text_colors = $this->getContrastTextColor($this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+				$C_TextColor = $this->AllocateColor($this->Picture,$text_colors['R'],$text_colors['G'],$text_colors['B']);
+
+				//imagettftext($this->Picture,$this->FontSize,0,$XPos-($this->FontSize/2),$this->GArea_Y1-10,$C_TextColor,$this->FontName,$Value);
+				if($Value > 0 && ($this->VMin != 1 || $Value > 1) && ($XPos-$XZero > 20)){
+					imagettftext($this->Picture,$this->FontSize,0,$X-($TextWidth/2),$Y+4,$C_TextColor,$this->FontName,$Text);
+				}
+				//	Izrisemo se majhne vrednosti zraven stolpca 
+				elseif($insideValuesSmall == true){
+					$C_TextColor = $this->AllocateColor($this->Picture,0,0,0);			
+					imagettftext($this->Picture,$this->FontSize,0,$XPos+4,$Y+4,$C_TextColor,$this->FontName,$Text);
+				}
+			 }
+			 
+            }
+          }
+         $YPos = $YPos + $this->DivisionWidth;
+        }
+       $SerieID++;
+      }
+    }
+	
+	/* Izrisemo horizontalni graf s sestavljenimi stolpci */
+   function drawStackedHorBarGraph($Data,$DataDescription,$insideValues=false,$Alpha=100)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBarGraph",$DataDescription);
+     $this->validateData("drawBarGraph",$Data);
+
+     $GraphID      = 0;
+     $Series       = count($DataDescription["Values"]);
+     $SeriesWidth  = $this->DivisionWidth * .8;	//$this->DivisionWidth / ($Series+1);
+
+     $SerieYOffset = $this->DivisionWidth / 2;
+     
+     $XZero  = $this->GArea_X1 + ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $XZero < $this->GArea_X1 ) { $XZero = $this->GArea_X1; }
+
+     $SerieID = 0;
+	 $LastValue = array();
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+		   $ID = 0;
+		   		   
+		   foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+			{ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+		   $YPos  = $this->GArea_Y1 + $this->GAreaXOffset + $SerieYOffset - $SeriesWidth / 2;
+
+		   $XLast = -1;
+		   foreach ( $Data as $Key => $Values )
+			{
+				 if ( isset($Data[$Key][$ColName]))
+				  {
+				   if ( is_numeric($Data[$Key][$ColName]) )
+					{
+					 $Value = $Data[$Key][$ColName];
+
+					 if ( isset($LastValue[$Key]) )
+					  {
+					   $XPos = $this->GArea_X1 + ((($Value+$LastValue[$Key])-$this->VMin) * $this->DivisionRatio);
+					   $XLeft = $this->GArea_X1 + (($LastValue[$Key]-$this->VMin) * $this->DivisionRatio);
+					   $LastValue[$Key] += $Value;
+					  }
+					 else
+					  {
+					   $XPos = $this->GArea_X1 + (($Value-$this->VMin) * $this->DivisionRatio);
+					   $XLeft = $XZero;
+					   $LastValue[$Key] = $Value;
+					  }
+					 
+					 /* Save point into the image map if option activated */
+					 if ( $this->BuildMap )
+					  {
+					   $this->addToImageMap(min($XLeft,$XPos),$YPos+1,max($XLeft,$XPos), $YPos+$SeriesWidth-1,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Bar");
+					  }
+				   
+					 if ( $Shadow && $Alpha == 100 )
+					  $this->drawRectangle($XLeft,$YPos+1,$XPos,$YPos+$SeriesWidth-1,25,25,25,TRUE,$Alpha);
+
+					 $this->drawFilledRectangle($XLeft,$YPos+1,$XPos,$YPos+$SeriesWidth-1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
+					
+					// Izrisemo vrednosti znotraj stolpca
+					 if($insideValues == true){
+						$X = 0;
+						$Y = 0;
+						
+						if($DataDescription["Unit"]["Y"] == '%')
+							$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_PERCENT'));
+						else
+							$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_AVERAGE'));
+							
+					   if ( $DataDescription["Format"]["Y"] == "number" )
+						$Text = $Value.$DataDescription["Unit"]["Y"];
+					   if ( $DataDescription["Format"]["Y"] == "time" )
+						$Text = $this->ToTime($Value);        
+					   if ( $DataDescription["Format"]["Y"] == "date" )
+						$Text = $this->ToDate($Value);        
+					   if ( $DataDescription["Format"]["Y"] == "metric" )
+						$Text = $this->ToMetric($Value);        
+					   if ( $DataDescription["Format"]["Y"] == "currency" )
+						$Text = $this->ToCurrency($Value);        
+						
+					   $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Text);
+					   $TextWidth = $Position[2]-$Position[0];
+
+					   $X = ($XLeft + $XPos) / 2;
+					   $Y = ($YPos+1 + $YPos+$SeriesWidth-1) / 2;
+
+						$text_colors = $this->getContrastTextColor($this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+						$C_TextColor = $this->AllocateColor($this->Picture,$text_colors['R'],$text_colors['G'],$text_colors['B']);
+
+						 //imagettftext($this->Picture,$this->FontSize,0,$XPos-($this->FontSize/2),$this->GArea_Y1-10,$C_TextColor,$this->FontName,$Value);
+						if($Value > 0 && ($XPos-$XLeft > 20))
+							imagettftext($this->Picture,$this->FontSize,0,$X-($TextWidth/2),$Y+4,$C_TextColor,$this->FontName,$Text);	
+					 }
+					
+					
+					}
+				  }
+				 $YPos = $YPos + $this->DivisionWidth;
+			}
+		   $SerieID++;
+      }
+    }
+
+
+	/* Izrisemo navpicen linijski graf */
+   function drawVerLineGraph($Data,$DataDescription,$insideValues=false,$Shadow=TRUE,$Alpha=100)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBarGraph",$DataDescription);
+     $this->validateData("drawBarGraph",$Data);
+	 
+	 $GraphID      = 0;
+     $Series       = count($DataDescription["Values"]);
+     $SeriesWidth  = $this->DivisionWidth / ($Series+1);
+
+     $SerieYOffset = $this->DivisionWidth / 2;
+     
+     $XZero  = $this->GArea_X1 + ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $XZero < $this->GArea_X1 ) { $XZero = $this->GArea_X1; }
+
+     $SerieID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $YPos  = $this->GArea_Y1 + $this->GAreaXOffset + $SerieYOffset;
+
+       $XLast = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           if ( is_numeric($Data[$Key][$ColName]) )
+            {
+             $Value = $Data[$Key][$ColName];
+
+			 $XPos = $this->GArea_X1 + (($Value-$this->VMin) * $this->DivisionRatio);
+
+             // Save point into the image map if option activated 
+             if ( $this->BuildMap )
+              {
+               $this->addToImageMap(min($XZero,$XPos),$YPos+1,max($XZero,$XPos), $YPos+$SeriesWidth-1,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Bar");
+              }
+           
+			 if ( $XLast != -1 ){
+				$this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
+				$this->drawFilledCircle($XLast+1,$YLast+1,$SmallRadius=2,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+			 }
+			 
+			 $XLast = $XPos;
+             $YLast = $YPos;			 
+            }
+          }
+         $YPos = $YPos + $this->DivisionWidth;
+        }
+       $SerieID++;
+	   
+	   $this->drawFilledCircle($XLast+1,$YLast+1,$SmallRadius=2,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+      }
+    }
+	
+	
+/* Compute and draw the scale */
+   function drawHorScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE,$roundText=35)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateData("drawScale",$Data);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y1,$R,$G,$B);
+     $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);
+	 if($RightScale)
+		$this->drawLine($this->GArea_X2,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
+
+     if ( $this->VMin == NULL && $this->VMax == NULL)
+      {
+       if (isset($DataDescription["Values"][0]))
+        {
+         $this->VMin = $Data[0][$DataDescription["Values"][0]];
+         $this->VMax = $Data[0][$DataDescription["Values"][0]];
+        }
+       else { $this->VMin = 2147483647; $this->VMax = -2147483647; }
+
+       /* Compute Min and Max values */
+       if ( $ScaleMode == SCALE_NORMAL || $ScaleMode == SCALE_START0 )
+        {
+         if ( $ScaleMode == SCALE_START0 ) { $this->VMin = 0; }
+
+         foreach ( $Data as $Key => $Values )
+          {
+           foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+            {
+             if (isset($Data[$Key][$ColName]))
+              {
+               $Value = $Data[$Key][$ColName];
+
+               if ( is_numeric($Value) )
+                {
+                 if ( $this->VMax < $Value) { $this->VMax = $Value; }
+                 if ( $this->VMin > $Value) { $this->VMin = $Value; }
+                }
+              }
+            }
+          }
+        }
+       elseif ( $ScaleMode == SCALE_ADDALL || $ScaleMode == SCALE_ADDALLSTART0 ) /* Experimental */
+        {
+         if ( $ScaleMode == SCALE_ADDALLSTART0 ) { $this->VMin = 0; }
+
+         foreach ( $Data as $Key => $Values )
+          {
+           $Sum = 0;
+           foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+            {
+             if (isset($Data[$Key][$ColName]))
+              {
+               $Value = $Data[$Key][$ColName];
+               if ( is_numeric($Value) )
+                $Sum  += $Value;
+              }
+            }
+           if ( $this->VMax < $Sum) { $this->VMax = $Sum; }
+           if ( $this->VMin > $Sum) { $this->VMin = $Sum; }
+          }
+        }
+
+		if ( $this->VMax > preg_replace('/\.[0-9]+/','',$this->VMax) ){
+			if(preg_replace('/\.[0-9]+/','',$this->VMax) == 100)
+				$this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax);
+			else
+				$this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax)+1;
+		}
+
+       /* If all values are the same */
+       if ( $this->VMax == $this->VMin )
+        {
+         if ( $this->VMax >= 0 ) { $this->VMax++; }
+         else { $this->VMin--; }
+        }
+
+       $DataRange = $this->VMax - $this->VMin;
+       if ( $DataRange < 0.1 ) { $DataRange = .1; }
+
+       /* Compute automatic scaling */
+       $ScaleOk = FALSE; $Factor = 1;
+       $MinDivHeight = 25;
+
+       $MaxDivs = ($this->GArea_X2 - $this->GArea_X1) / $MinDivHeight;
+
+       if ( $this->VMin == 0 && $this->VMax == 0 )
+        { $this->VMin = 0; $this->VMax = 2; $Scale = 1; $Divisions = 2;}
+	  
+       elseif ($MaxDivs > 1)
+        { 			
+         while(!$ScaleOk)
+          {
+           $Scale1 = ( $DataRange ) / $Factor;
+           $Scale2 = ( $DataRange ) / $Factor / 2;
+           $Scale4 = ( $DataRange ) / $Factor / 4;
+
+           if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}
+           if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}
+           if (!$ScaleOk)
+            {
+             if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
+             if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
+            }
+          }
+
+         if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor)
+          {
+           $GridID     = floor ( $this->VMax / $Scale / $Factor) + 1;
+           $this->VMax = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+
+         if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor)
+          {
+           $GridID     = floor( $this->VMin / $Scale / $Factor);
+           $this->VMin = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+        }
+       else /* Can occurs for small graphs */
+        $Scale = 1;
+
+       if ( !isset($Divisions) )
+        $Divisions = 2;
+
+       if ($Scale == 1 && $Divisions%2 == 1)
+        $Divisions--;
+		
+		// Posebeni primeri skal
+		// 0 - 10
+		if ( $this->VMin == 0 && in_array($this->VMax,array(3,4,5,6,7,8,9,10)) ){
+			$Divisions = $this->VMax;
+		}
+		// 10 - 25
+		elseif ( $this->VMin == 0 && $this->VMax > 10 && $this->VMax <= 25){
+			$this->VMax = $this->roundToNearest($this->VMax, 5);
+			$Divisions = $this->VMax/5;
+		}
+		// 25 - 50
+		elseif ( $this->VMin == 0 && $this->VMax > 25 && $this->VMax <= 50 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 10);
+			$Divisions = $this->VMax/10;
+		}
+		// 50+
+		elseif ( $this->VMin == 0 && $this->VMax > 50 && $this->VMax <= 200 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 20);
+			$Divisions = $this->VMax/20;
+		}
+		// 200+
+		elseif ( $this->VMin == 0 && $this->VMax > 200 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 100);
+			$Divisions = 8;
+		}
+      }
+     else
+      $Divisions = $this->Divisions;
+
+	 $Divisions = ($Divisions == 0) ? 1 : $Divisions;
+	  
+     $this->DivisionCount = $Divisions;
+
+     $DataRange = $this->VMax - $this->VMin;
+     if ( $DataRange < 0.1 ) { $DataRange = .1; }
+
+     $this->DivisionHeight = ( $this->GArea_X2 - $this->GArea_X1 ) / $Divisions;
+     $this->DivisionRatio  = ( $this->GArea_X2 - $this->GArea_X1 ) / $DataRange;
+
+     $this->GAreaYOffset  = 0;
+     if ( count($Data) > 1 )
+      {
+       if ( $WithMargin == FALSE )
+	$this->DivisionWidth = ( $this->GArea_Y2 - $this->GArea_Y1 ) / (count($Data)-1);
+       else
+        {
+	 $this->DivisionWidth = ( $this->GArea_Y2 - $this->GArea_Y1 ) / (count($Data));
+	 $this->GAreaYOffset  = $this->DivisionWidth / 2;
+        }
+      }
+     else
+      {
+       $this->DivisionWidth = $this->GArea_Y2 - $this->GArea_Y1;
+       $this->GAreaYOffset  = $this->DivisionWidth / 2;
+      }
+
+     $this->DataCount = count($Data);
+
+     if ( $DrawTicks == FALSE )
+      return(0);
+
+     $XPos = $this->GArea_X1;
+     $YMin = NULL;
+
+     for($i=1;$i<=$Divisions+1;$i++)
+      {
+	$this->drawLine($XPos,$this->GArea_Y1,$XPos,$this->GArea_Y1-floor($this->FontSize/2),$R,$G,$B);
+
+       $Value     = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);
+	   $OrigValue = $Value;
+       $Value     = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
+       if ( $DataDescription["Format"]["Y"] == "number" )
+        $Value = $Value.$DataDescription["Unit"]["Y"];
+       if ( $DataDescription["Format"]["Y"] == "time" )
+        $Value = $this->ToTime($Value);        
+       if ( $DataDescription["Format"]["Y"] == "date" )
+        $Value = $this->ToDate($Value);        
+       if ( $DataDescription["Format"]["Y"] == "metric" )
+        $Value = $this->ToMetric($Value);        
+       if ( $DataDescription["Format"]["Y"] == "currency" )
+        $Value = $this->ToCurrency($Value);        
+
+		// Ce je oznacba na skali decimalka je ne izpisemo (ker zaokrozujemo na cela stevila)
+		if($Decimals == 0)
+			$Value = ($OrigValue != $Value)	? '' : $Value;
+		
+       $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth = $Position[2]-$Position[0];
+
+         imagettftext($this->Picture,$this->FontSize,0,$XPos-($TextWidth/2),$this->GArea_Y1-$this->FontSize,$C_TextColor,$this->FontName,$Value);
+         
+	 if ( $YMin > $this->GArea_Y1-10-$TextWidth || $YMin == NULL ) { $YMin = $this->GArea_Y1-10-$TextWidth; }
+
+       $XPos = $XPos + $this->DivisionHeight;
+      }
+
+     /* Write the Y Axis caption if set */ 
+     if ( isset($DataDescription["Axis"]["Y"]) )
+      {
+       $Position   = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);
+       $TextHeight = abs($Position[1])+abs($Position[3]);
+       $TextTop = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextHeight/2);
+
+	imagettftext($this->Picture,$this->FontSize,90,$YMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
+      }
+
+     /* Horizontal Axis */
+     $YPos = $this->GArea_Y1 + $this->GAreaYOffset;
+     $ID = 1;
+     $XMax = NULL;
+     foreach ( $Data as $Key => $Values )
+      {
+       if ( $ID % $SkipLabels == 0 )
+        {
+			 $this->drawLine($this->GArea_X1,floor($YPos),$this->GArea_X1-floor($this->FontSize/2),floor($YPos),$R,$G,$B);
+			 
+			 $Value = $Data[$Key][$DataDescription["Position"]];			 
+			 
+			 //razbijemo text v dve vrstici
+			 $Value2 = '';
+			 if(($roundText == 60 || $roundText == 80 || $roundText == 40) && strlen($Value)>$roundText){
+			 
+				$pos = strrpos(substr($Value,0,$roundText), ' ');
+				
+				$Value2 = substr($Value, $pos);	
+				$Value = substr($Value, 0, $pos);
+				
+				//$Value2 = substr($Value, 61);	
+				//$Value = substr($Value, 0, 60);	
+
+				$Value2 = $this->snippet($Value2, $roundText);
+			 }
+			 // snippet - skrajsamo text na poljubno dolzino
+			 else{
+				$Value      = $this->snippet($Data[$Key][$DataDescription["Position"]], $roundText);		 
+			 }
+			 
+			 // Labele na desni za sem. diferencial
+			 if(isset($DataDescription["Right"])){
+				$ValueSem = $Data[$Key][$DataDescription["Right"]];
+				
+				 //razbijemo text v dve vrstici
+				 $ValueSem2 = '';
+				 if(($roundText == 60 || $roundText == 80 || $roundText == 40) && strlen($ValueSem)>$roundText){
+				 
+					$pos = strrpos(substr($ValueSem,0,$roundText), ' ');
+					
+					$ValueSem2 = substr($ValueSem, $pos);	
+					$ValueSem = substr($ValueSem, 0, $pos);
+
+					$ValueSem2 = $this->snippet($ValueSem2, $roundText);
+				 }
+				 // snippet - skrajsamo text na poljubno dolzino
+				 else{
+					$ValueSem = $this->snippet($Data[$Key][$DataDescription["Right"]], $roundText);		 
+				 }	
+			 }
+			 
+			 if ( $DataDescription["Format"]["X"] == "number" )
+			  $Value = $Value.$DataDescription["Unit"]["X"];
+			 if ( $DataDescription["Format"]["X"] == "time" )
+			  $Value = $this->ToTime($Value);        
+			 if ( $DataDescription["Format"]["X"] == "date" )
+			  $Value = $this->ToDate($Value);        
+			 if ( $DataDescription["Format"]["X"] == "metric" )
+			  $Value = $this->ToMetric($Value);        
+			 if ( $DataDescription["Format"]["X"] == "currency" )
+			  $Value = $this->ToCurrency($Value);        
+
+			 $Position   = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);
+			 $TextWidth  = abs($Position[2])+abs($Position[0]);
+			 $TextHeight = abs($Position[5])-abs($Position[1]);
+			 
+			 if(($roundText == 60 || $roundText == 80 || $roundText == 40) && $Value2 != ''){
+				$Position   = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value2);
+				$TextWidth2  = abs($Position[2])+abs($Position[0]);
+			 }
+
+			 if ( $Angle == 0 )
+			  {	
+				//izpisemo v 2 vrsticah
+				if(($roundText == 60 || $roundText == 80 || $roundText == 40) && $Value2 != ''){
+					$XPos = $this->GArea_Y2+floor($this->FontSize*2);
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X1-$this->FontSize-floor($TextWidth),floor($YPos)-(2*floor($this->FontSize/8)),$C_TextColor,$this->FontName,$Value);			
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X1-$this->FontSize-floor($TextWidth2),floor($YPos)+$TextHeight+(3*floor($this->FontSize/8)),$C_TextColor,$this->FontName,$Value2);			
+				}
+				else{
+					$XPos = $this->GArea_Y2+floor($this->FontSize*2);
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X1-$this->FontSize-floor($TextWidth),floor($YPos)+floor($TextHeight/2),$C_TextColor,$this->FontName,$Value);
+				}
+			  }
+			 else
+			  {
+				$XPos = $this->GArea_Y2+10+$TextHeight;
+				   if ( $Angle <= 90 )
+				imagettftext($this->Picture,$this->FontSize,$Angle,$XPos,floor($YPos)-$TextWidth+5,$C_TextColor,$this->FontName,$Value);
+				   else
+				imagettftext($this->Picture,$this->FontSize,$Angle,$XPos,floor($YPos)+$TextWidth+5,$C_TextColor,$this->FontName,$Value);
+			  }
+			if ( $XMax < $XPos || $XMax == NULL ) { $XMax = $XPos; }
+			
+			// Se izpis skale na desni (pri semanticnem diferencialu)
+			if(isset($DataDescription["Right"]) && $RightScale){
+				$this->drawLine($this->GArea_X2,floor($YPos),$this->GArea_X2+5,floor($YPos),$R,$G,$B);
+				
+				//izpisemo v 2 vrsticah
+				if($roundText == 40 && $ValueSem2 != ''){
+					$XPos = $this->GArea_Y2+floor($this->FontSize*2);
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X2+$this->FontSize,floor($YPos)-(2*floor($this->FontSize/8)),$C_TextColor,$this->FontName,$ValueSem);			
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X2+$this->FontSize,floor($YPos)+$TextHeight+(3*floor($this->FontSize/8)),$C_TextColor,$this->FontName,$ValueSem2);			
+				}
+				else{
+					imagettftext($this->Picture,$this->FontSize,$Angle,$this->GArea_X2+$this->FontSize,floor($YPos)+5-floor($TextHeight/2),$C_TextColor,$this->FontName,$ValueSem);
+				}
+			}
+        }
+
+       $YPos = $YPos + $this->DivisionWidth;
+       $ID++;
+      }
+
+	  if($RightScale)
+		$this->drawLine($this->GArea_X2,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
+	  
+    /* Write the X Axis caption if set */ 
+    if ( isset($DataDescription["Axis"]["Y"]) )
+      {
+       $Position = imageftbbox($this->FontSize,0,$this->FontName,$DataDescription["Axis"]["Y"]);
+       $TextWidth  = abs($Position[2])+abs($Position[0]);
+       $TextLeft   = $this->GArea_X1 - ($TextWidth/2);
+
+       imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$this->FontSize+12,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
+      }
+    }
+
+
+   /* Compute and draw the scale */
+   function drawHorGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)
+    {
+     /* Draw mosaic */
+     if ( $Mosaic )
+      {
+       $LayerWidth  = $this->GArea_Y2-$this->GArea_Y1;
+       $LayerHeight = $this->GArea_X2-$this->GArea_X1;
+
+       $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White =$this->AllocateColor($this->Layers[0],255,255,255);
+       imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[0],$C_White);
+
+       $C_Rectangle =$this->AllocateColor($this->Layers[0],250,250,250);
+       $XPos  = $LayerHeight;
+       $LastX = $XPos;
+
+       for($i=0;$i<=$this->DivisionCount;$i++)
+        {
+	 $LastX = $XPos;
+	 $XPos  = $XPos - $this->DivisionHeight;
+
+	 if ( $XPos <= 0 ) { $XPos = 1; }
+
+         if ( $i % 2 == 0 )
+          {
+	   imagefilledrectangle($this->Layers[0],$XPos,1,$LastX,$LayerWidth-1,$C_Rectangle);
+          }
+        }
+       imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[0]);
+      }
+
+     /* Vertical lines */
+     $XPos = $this->GArea_X2 - $this->DivisionHeight;
+     for($i=1;$i<=$this->DivisionCount;$i++)
+      {
+       if ( $XPos > $this->GArea_X1 && $XPos < $this->GArea_X2 )
+        $this->drawDottedLine($XPos,$this->GArea_Y1,$XPos,$this->GArea_Y2,$LineWidth,$R,$G,$B);
+        $XPos = $XPos - $this->DivisionHeight;
+      }
+
+     /* Horizontal lines */
+     if ( $this->GAreaYOffset == 0 )
+      { $YPos = $this->GArea_Y1 + $this->DivisionWidth + $this->GAreaYOffset;
+	$ColCount = $this->DataCount-2; }
+     else
+      { $YPos = $this->GArea_Y1 + $this->GAreaYOffset;
+	//$ColCount = floor( ($this->GArea_X2 - $this->GArea_X1) / $this->DivisionWidth );
+	$ColCount = $this->DataCount;
+      }
+
+     for($i=1;$i<=$ColCount;$i++)
+      {
+       if ( $YPos > $this->GArea_Y1 && $YPos < $this->GArea_Y2 )
+        $this->drawDottedLine($this->GArea_X1,floor($YPos),$this->GArea_X2,floor($YPos),$LineWidth,$R,$G,$B);
+
+	$YPos = $YPos + $this->DivisionWidth;
+      }
+    }
+
+
+/* Compute and draw the scale */
+   function drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnBottom=FALSE,$TickWidth=4,$FreeText=NULL,$Angle=0)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
+     $X = $this->GArea_X1 + ($Value - $this->VMin) * $this->DivisionRatio;
+
+     if ( $X <= $this->GArea_X1 || $X >= $this->GArea_X2 )
+      return(-1);
+
+     if ( $TickWidth == 0 )
+      $this->drawLine($X,$this->GArea_Y1,$X,$this->GArea_Y2,$R,$G,$B);
+     else
+      $this->drawDottedLine($X,$this->GArea_Y1,$X,$this->GArea_Y2,$TickWidth,$R,$G,$B);
+
+     if ( $ShowLabel )
+      {
+       if ( $FreeText == NULL )
+        { $Label = $Value; } else { $Label = $FreeText; }
+
+       $Position = imageftbbox($this->FontSize,$Angle,$this->FontName,$Label);
+       $TextWidth  = abs($Position[2])-abs($Position[0]);
+       $TextLeft   = abs($Position[3])-abs($Position[1]);
+
+       if ( $ShowOnBottom )
+        imagettftext($this->Picture,$this->FontSize,$Angle,$X+9,$this->GArea_Y2,$C_TextColor,$this->FontName,$Label);
+       else
+        imagettftext($this->Picture,$this->FontSize,$Angle,$X+9,$this->GArea_Y1+$TextLeft,$C_TextColor,$this->FontName,$Label);
+      }
+    }
+	
+	/* zaokrozimo stevilo $number na $toNearest */
+	function roundToNearest($number, $toNearest) {
+
+		$retval = 0;
+		$mod = $number % $toNearest;
+		
+		$retval = ($mod > 0) ? $number + ( $toNearest - $mod ) : $number;
+		
+		return $retval;
+	}
+	
+  }
+?>
diff --git a/admin/survey/pChart/classes/class.pCache.php b/admin/survey/pChart/classes/class.pCache.php
new file mode 100644
index 0000000..419dc5a
--- /dev/null
+++ b/admin/survey/pChart/classes/class.pCache.php
@@ -0,0 +1,119 @@
+<?php
+ /*
+     pCache - Faster renderding using data cache
+     Copyright (C) 2008 Jean-Damien POGOLOTTI
+     Version  1.1.2 last updated on 06/17/08
+
+     http://pchart.sourceforge.net
+
+     This program is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 1,2,3 of the License, or
+     (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     Class initialisation :
+      pCache($CacheFolder="Cache/")
+     Cache management :
+      IsInCache($Data)
+      GetFromCache($ID,$Data)
+      WriteToCache($ID,$Data,$Picture)
+      DeleteFromCache($ID,$Data)
+      ClearCache()
+     Inner functions :
+      GetHash($ID,$Data)
+ */
+
+ /* pCache class definition */
+ class pCache
+  {
+   var $HashKey     = "";
+   var $CacheFolder = "Cache/";
+
+   /* Create the pCache object */
+   function __construct($CacheFolder="Cache/")
+    {
+     $this->CacheFolder = $CacheFolder;
+    }
+
+   /* This function is clearing the cache folder */
+   function ClearCache()
+    {
+     if ($handle = opendir($this->CacheFolder))
+      {
+       while (false !== ($file = readdir($handle)))
+        {
+         if ( $file != "." && $file != ".." )
+          unlink($this->CacheFolder.$file);
+        }
+       closedir($handle);
+      }
+    }
+
+   /* This function is checking if we have an offline version of this chart */
+   function IsInCache($ID,$Data,$Hash="")
+    {
+     if ( $Hash == "" )
+      $Hash = $this->GetHash($ID,$Data);
+
+     if ( file_exists($this->CacheFolder.$Hash) )
+      return(TRUE);
+     else
+      return(FALSE);
+    }
+
+   /* This function is making a copy of drawn chart in the cache folder */
+   function WriteToCache($ID,$Data,$Picture)
+    {
+     $Hash     = $this->GetHash($ID,$Data);
+     $FileName = $this->CacheFolder.$Hash;
+
+     imagepng($Picture->Picture,$FileName);
+    }
+
+   /* This function is removing any cached copy of this chart */
+   function DeleteFromCache($ID,$Data)
+    {
+     $Hash     = $this->GetHash($ID,$Data);
+     $FileName = $this->CacheFolder.$Hash;
+
+     if ( file_exists($FileName ) )
+      unlink($FileName);
+    }
+
+   /* This function is retrieving the cached picture if applicable */
+   function GetFromCache($ID,$Data)
+    {
+     $Hash     = $this->GetHash($ID,$Data);
+     if ( $this->IsInCache("","",$Hash ) )
+      {
+       $FileName = $this->CacheFolder.$Hash;
+
+       header('Content-type: image/png');
+       @readfile($FileName);
+       exit();
+      }
+    }
+
+   /* This function is building the graph unique hash key */
+   function GetHash($ID,$Data)
+    {
+     $mKey = "$ID";
+     foreach($Data as $key => $Values)
+      {
+       $tKey = "";
+       foreach($Values as $Serie => $Value)
+        $tKey = $tKey.$Serie.$Value;
+       $mKey = $mKey.md5($tKey);
+      }
+     return(md5($mKey));
+    }
+  }
+?>
+\ No newline at end of file
diff --git a/admin/survey/pChart/classes/class.pChart.php b/admin/survey/pChart/classes/class.pChart.php
new file mode 100644
index 0000000..af3c0a8
--- /dev/null
+++ b/admin/survey/pChart/classes/class.pChart.php
@@ -0,0 +1,4173 @@
+<?php
+ /*
+     pChart - a PHP class to build charts!
+     Copyright (C) 2008 Jean-Damien POGOLOTTI
+     Version  1.27d last updated on 09/30/08
+
+     http://pchart.sourceforge.net
+
+     This program is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 1,2,3 of the License, or
+     (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     Class initialisation :
+      pChart($XSize,$YSize)
+     Draw methods :
+      drawBackground($R,$G,$B)
+      drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B)
+      drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$Alpha=100)
+      drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
+      drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
+      drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
+      drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
+      drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
+      drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
+      drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE)
+      drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B)
+      drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)
+      drawFromPNG($FileName,$X,$Y,$Alpha=100)
+      drawFromGIF($FileName,$X,$Y,$Alpha=100)
+      drawFromJPG($FileName,$X,$Y,$Alpha=100)
+     Graph setup methods :
+      addBorder($Width=3,$R=0,$G=0,$B=0)
+      clearScale()
+      clearShadow()
+      createColorGradientPalette($R1,$G1,$B1,$R2,$G2,$B2,$Shades)
+      drawGraphArea($R,$G,$B,$Stripe=FALSE)
+      drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE)
+      drawRightScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1)
+      drawXYScale($Data,$DataDescription,$YSerieName,$XSerieName,$R,$G,$B,$WithMargin=0,$Angle=0,$Decimals=1)
+      drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)
+      drawLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=FALSE)
+      drawPieLegend($XPos,$YPos,$Data,$DataDescription,$R,$G,$B)
+      drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
+      drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4,$FreeText=NULL)
+      drawArea($Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50)
+      drawRadarAxis($Data,$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1)
+      drawGraphAreaGradient($R,$G,$B,$Decay,$Target=TARGET_GRAPHAREA)
+      drawTextBox($X1,$Y1,$X2,$Y2,$Text,$Angle=0,$R=255,$G=255,$B=255,$Align=ALIGN_LEFT,$Shadow=TRUE,$BgR=-1,$BgG=-1,$BgB=-1,$Alpha=100)
+      getLegendBoxSize($DataDescription)
+      loadColorPalette($FileName,$Delimiter=",")
+      reportWarnings($Interface="CLI")
+      setGraphArea($X1,$Y1,$X2,$Y2)
+      setLabel($Data,$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210)
+      setColorPalette($ID,$R,$G,$B)
+      setCurrency($Currency)
+      setDateFormat($Format)
+      setFontProperties($FontName,$FontSize)
+      setLineStyle($Width=1,$DotSize=0)
+      setFixedScale($VMin,$VMax,$Divisions=5,$VXMin=0,$VXMin=0,$XDivisions=5)
+      setShadowProperties($XDistance=1,$YDistance=1,$R=60,$G=60,$B=60,$Alpha)
+      writeValues($Data,$DataDescription,$Series)
+    Graphs methods :
+      drawPlotGraph($Data,$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=FALSE)
+      drawXYPlotGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1)
+      drawLineGraph($Data,$DataDescription,$SerieName="")
+      drawXYGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0)
+      drawFilledLineGraph($Data,$DataDescription,$Alpha=100,$AroundZero=FALSE)
+      drawCubicCurve($Data,$DataDescription,$Accuracy=.1,$SerieName="")
+      drawFilledCubicCurve($Data,$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE)
+      drawOverlayBarGraph($Data,$DataDescription,$Alpha=50)
+      drawBarGraph($Data,$DataDescription,$Shadow=FALSE)
+      drawStackedBarGraph($Data,$DataDescription,$Alpha=50,$Contiguous=FALSE)
+      drawLimitsGraph($Data,$DataDescription,$R=0,$G=0,$B=0)
+      drawRadar($Data,$DataDescription,$BorderOffset=10,$MaxValue=-1)
+      drawFilledRadar($Data,$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1)
+      drawBasicPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0)
+      drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0)
+      drawFlatPieGraphWithShadow($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0)
+      drawPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0)
+     Other methods :
+      setImageMap($Mode=TRUE,$GraphID="MyGraph")
+      getImageMap($MapName,$Flush=TRUE)
+      Render($FileName)
+      Stroke()
+ */
+ 
+ /* Declare some script wide constants */
+ define("SCALE_NORMAL",1);
+ define("SCALE_ADDALL",2);
+ define("SCALE_START0",3);
+ define("SCALE_ADDALLSTART0",4);
+ define("PIE_PERCENTAGE", 1);
+ define("PIE_LABELS",2);
+ define("PIE_NOLABEL",3);
+ define("PIE_PERCENTAGE_LABEL", 4);
+ define("TARGET_GRAPHAREA",1);
+ define("TARGET_BACKGROUND",2);
+ define("ALIGN_TOP_LEFT",1);
+ define("ALIGN_TOP_CENTER",2);
+ define("ALIGN_TOP_RIGHT",3);
+ define("ALIGN_LEFT",4);
+ define("ALIGN_CENTER",5);
+ define("ALIGN_RIGHT",6);
+ define("ALIGN_BOTTOM_LEFT",7);
+ define("ALIGN_BOTTOM_CENTER",8);
+ define("ALIGN_BOTTOM_RIGHT",9);
+
+ /* pChart class definition */
+ class pChart
+  {
+   /* Palettes definition */
+   var $Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46),
+                        "1"=>array("R"=>224,"G"=>100,"B"=>46),
+                        "2"=>array("R"=>224,"G"=>214,"B"=>46),
+                        "3"=>array("R"=>46,"G"=>151,"B"=>224),
+                        "4"=>array("R"=>176,"G"=>46,"B"=>224),
+                        "5"=>array("R"=>224,"G"=>46,"B"=>117),
+                        "6"=>array("R"=>92,"G"=>224,"B"=>46),
+                        "7"=>array("R"=>224,"G"=>176,"B"=>46));
+
+   /* Some static vars used in the class */
+   var $XSize          = NULL;
+   var $YSize          = NULL;
+   var $Picture        = NULL;
+   var $ImageMap       = NULL;
+
+   /* Error management */
+   var $ErrorReporting = FALSE;
+   var $ErrorInterface = "CLI";
+   var $Errors         = NULL;
+   var $ErrorFontName  = "Fonts/pf_arma_five.ttf";
+   var $ErrorFontSize  = 6;
+
+   /* vars related to the graphing area */
+   var $GArea_X1        = NULL;
+   var $GArea_Y1        = NULL;
+   var $GArea_X2        = NULL;
+   var $GArea_Y2        = NULL;
+   var $GAreaXOffset    = NULL;
+   var $VMax            = NULL;
+   var $VMin            = NULL;
+   var $VXMax           = NULL;
+   var $VXMin           = NULL;
+   var $Divisions       = NULL;
+   var $XDivisions      = NULL;
+   var $DivisionHeight  = NULL;
+   var $XDivisionHeight = NULL;
+   var $DivisionCount   = NULL;
+   var $XDivisionCount  = NULL;
+   var $DivisionRatio   = NULL;
+   var $XDivisionRatio  = NULL;
+   var $DivisionWidth   = NULL;
+   var $DataCount       = NULL;
+   var $Currency        = "\$";
+
+   /* Text format related vars */
+   var $FontName       = NULL;
+   var $FontSize       = NULL;
+   var $DateFormat     = "d/m/Y";
+
+   /* Lines format related vars */
+   var $LineWidth      = 1;
+   var $LineDotSize    = 0;
+
+   /* Layer related vars */
+   var $Layers         = NULL;
+
+   /* Set antialias quality : 0 is maximum, 100 minimum*/
+   var $AntialiasQuality = 0;
+   var $UseAntialias = FALSE;
+   
+   /* Shadow settings */
+   var $ShadowActive    = FALSE;
+   var $ShadowXDistance = 1;
+   var $ShadowYDistance = 1;
+   var $ShadowRColor    = 60;
+   var $ShadowGColor    = 60;
+   var $ShadowBColor    = 60;
+   var $ShadowAlpha     = 50;
+   var $ShadowBlur      = 0;
+
+   /* Image Map settings */
+   var $BuildMap         = FALSE;
+   var $MapFunction      = NULL;
+   var $tmpFolder        = "tmp/";
+   var $MapID            = NULL;
+
+   // Skrajsa text na zeljeno dolzino
+   function snippet($text,$length=30,$tail="...")
+	{
+		$text = trim($text);
+		$txtl = strlen($text);
+		if($txtl > $length)
+		{
+			for($i=1;$text[$length-$i]!=" ";$i++)
+			{
+				if($i == $length)
+				{
+					return substr($text,0,$length-2) . $tail;
+				}
+			}
+		$text = substr($text,0,$length-$i+1) . $tail;
+		}
+		return $text;
+	}
+   
+   /* This function create the background picture */
+   function __construct($XSize,$YSize)
+    {
+     $this->XSize   = $XSize;
+     $this->YSize   = $YSize;
+     $this->Picture = imagecreatetruecolor($XSize,$YSize);
+
+     $C_White =$this->AllocateColor($this->Picture,255,255,255);
+     imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White);
+     imagecolortransparent($this->Picture,$C_White);
+
+     $this->setFontProperties("tahoma.ttf",8);
+    }
+
+  /* Set if warnings should be reported */
+  function reportWarnings($Interface="CLI")
+   {
+    $this->ErrorReporting = TRUE;
+    $this->ErrorInterface = $Interface;
+    }
+
+   /* Set the font properties */
+   function setFontProperties($FontName,$FontSize)
+    {
+     $this->FontName = $FontName;
+     $this->FontSize = $FontSize;
+    }
+
+   /* Set the shadow properties */
+   function setShadowProperties($XDistance=1,$YDistance=1,$R=60,$G=60,$B=60,$Alpha=50,$Blur=0)
+    {
+     $this->ShadowActive    = TRUE;
+     $this->ShadowXDistance = $XDistance;
+     $this->ShadowYDistance = $YDistance;
+     $this->ShadowRColor    = $R;
+     $this->ShadowGColor    = $G;
+     $this->ShadowBColor    = $B;
+     $this->ShadowAlpha     = $Alpha;
+     $this->ShadowBlur      = $Blur;
+    }
+
+   /* Remove shadow option */
+   function clearShadow()
+    {
+     $this->ShadowActive = FALSE;
+    }
+ 
+   /* Set Palette color */
+   function setColorPalette($ID,$R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $this->Palette[$ID]["R"] = $R;
+     $this->Palette[$ID]["G"] = $G;
+     $this->Palette[$ID]["B"] = $B;
+    }
+
+   /* Create a color palette shading from one color to another */
+   function createColorGradientPalette($R1,$G1,$B1,$R2,$G2,$B2,$Shades)
+    {
+     $RFactor = ($R2-$R1)/$Shades;
+     $GFactor = ($G2-$G1)/$Shades;
+     $BFactor = ($B2-$B1)/$Shades;
+
+     for($i=0;$i<=$Shades-1;$i++)
+      {
+       $this->Palette[$i]["R"] = $R1+$RFactor*$i;
+       $this->Palette[$i]["G"] = $G1+$GFactor*$i;
+       $this->Palette[$i]["B"] = $B1+$BFactor*$i;
+      }
+    }
+
+   /* Load Color Palette from file */
+   function loadColorPalette($FileName,$Delimiter=",")
+    {
+     $handle  = @fopen($FileName,"r");
+     $ColorID = 0;
+     if ($handle)
+      {
+       while (!feof($handle))
+        {
+         $buffer = fgets($handle, 4096);
+         $buffer = str_replace(chr(10),"",$buffer);
+         $buffer = str_replace(chr(13),"",$buffer);
+         $Values = split($Delimiter,$buffer);
+         if ( count($Values) == 3 )
+          {
+           $this->Palette[$ColorID]["R"] = $Values[0];
+           $this->Palette[$ColorID]["G"] = $Values[1];
+           $this->Palette[$ColorID]["B"] = $Values[2];
+           $ColorID++;
+          }
+        }
+      }
+    }
+
+   /* Set line style */
+  function setLineStyle($Width=1,$DotSize=0)
+   {
+    $this->LineWidth   = $Width;
+    $this->LineDotSize = $DotSize;
+   }
+
+   /* Set currency symbol */
+   function setCurrency($Currency)
+    {
+     $this->Currency = $Currency;
+    }
+
+   /* Set the graph area location */
+   function setGraphArea($X1,$Y1,$X2,$Y2)
+    {
+     $this->GArea_X1 = $X1;
+     $this->GArea_Y1 = $Y1;
+     $this->GArea_X2 = $X2;
+     $this->GArea_Y2 = $Y2;
+    }
+
+   /* Prepare the graph area */
+   function drawGraphArea($R,$G,$B,$Stripe=FALSE)
+    {
+     $this->drawFilledRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B,FALSE);
+     $this->drawRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R-40,$G-40,$B-40);
+
+     if ( $Stripe )
+      {
+       $R2 = $R-15; if ( $R2 < 0 ) { $R2 = 0; }
+       $G2 = $R-15; if ( $G2 < 0 ) { $G2 = 0; }
+       $B2 = $R-15; if ( $B2 < 0 ) { $B2 = 0; }
+
+       $LineColor =$this->AllocateColor($this->Picture,$R2,$G2,$B2);
+       $SkewWidth = $this->GArea_Y2-$this->GArea_Y1-1;
+
+       for($i=$this->GArea_X1-$SkewWidth;$i<=$this->GArea_X2;$i=$i+4)
+        {
+         $X1 = $i;            $Y1 = $this->GArea_Y2;
+         $X2 = $i+$SkewWidth; $Y2 = $this->GArea_Y1;
+
+
+         if ( $X1 < $this->GArea_X1 )
+          { $X1 = $this->GArea_X1; $Y1 = $this->GArea_Y1 + $X2 - $this->GArea_X1 + 1; }
+
+         if ( $X2 >= $this->GArea_X2 )
+          { $Y2 = $this->GArea_Y1 + $X2 - $this->GArea_X2 +1; $X2 = $this->GArea_X2 - 1; }
+// * Fixed in 1.27 *         { $X2 = $this->GArea_X2 - 1; $Y2 = $this->GArea_Y2 - ($this->GArea_X2 - $X1); }
+
+         imageline($this->Picture,$X1,$Y1,$X2,$Y2+1,$LineColor);
+        }
+      }
+    }
+
+   /* Allow you to clear the scale : used if drawing multiple charts */
+   function clearScale()
+    {
+     $this->VMin       = NULL;
+     $this->VMax       = NULL;
+     $this->VXMin      = NULL;
+     $this->VXMax      = NULL;
+     $this->Divisions  = NULL;
+     $this->XDivisions = NULL;    }
+
+   /* Allow you to fix the scale, use this to bypass the automatic scaling */
+   function setFixedScale($VMin,$VMax,$Divisions=5,$VXMin=0,$VXMax=0,$XDivisions=5)
+    {
+     $this->VMin      = $VMin;
+     $this->VMax      = $VMax;
+     $this->Divisions = $Divisions;
+
+     if ( !$VXMin == 0 )
+      {
+       $this->VXMin      = $VXMin;
+       $this->VXMax      = $VXMax;
+       $this->XDivisions = $XDivisions;
+      }
+    }
+
+   /* Wrapper to the drawScale() function allowing a second scale to be drawn */
+   function drawRightScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1)
+    {
+     $this->drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks,$Angle,$Decimals,$WithMargin,$SkipLabels,TRUE);
+    }
+
+   /* Compute and draw the scale */
+   function drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE, $roundText=30)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateData("drawScale",$Data);
+
+     $C_TextColor         =$this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);
+     $this->drawLine($this->GArea_X1,$this->GArea_Y2,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
+
+     if ( $this->VMin == NULL && $this->VMax == NULL)
+      {
+       if (isset($DataDescription["Values"][0]))
+        {
+         $this->VMin = $Data[0][$DataDescription["Values"][0]];
+         $this->VMax = $Data[0][$DataDescription["Values"][0]];
+        }
+       else { $this->VMin = 2147483647; $this->VMax = -2147483647; }
+
+       /* Compute Min and Max values */
+       if ( $ScaleMode == SCALE_NORMAL || $ScaleMode == SCALE_START0 )
+        {
+         if ( $ScaleMode == SCALE_START0 ) { $this->VMin = 0; }
+
+         foreach ( $Data as $Key => $Values )
+          {
+           foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+            {
+             if (isset($Data[$Key][$ColName]))
+              {
+               $Value = $Data[$Key][$ColName];
+
+               if ( is_numeric($Value) )
+                {
+                 if ( $this->VMax < $Value) { $this->VMax = $Value; }
+                 if ( $this->VMin > $Value) { $this->VMin = $Value; }
+                }
+              }
+            }
+          }
+        }
+       elseif ( $ScaleMode == SCALE_ADDALL || $ScaleMode == SCALE_ADDALLSTART0 ) /* Experimental */
+        {
+         if ( $ScaleMode == SCALE_ADDALLSTART0 ) { $this->VMin = 0; }
+
+         foreach ( $Data as $Key => $Values )
+          {
+           $Sum = 0;
+           foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+            {
+             if (isset($Data[$Key][$ColName]))
+              {
+               $Value = $Data[$Key][$ColName];
+               if ( is_numeric($Value) )
+                $Sum  += $Value;
+              }
+            }
+           if ( $this->VMax < $Sum) { $this->VMax = $Sum; }
+           if ( $this->VMin > $Sum) { $this->VMin = $Sum; }
+          }
+        }
+
+		// Zaradi zaokrozevanja je tukaj prebil 100% in je narisal preveliko skalo (33.33 + 66.67 = 100.01 = 101)
+        if ( $this->VMax > preg_replace('/\.[0-9]+/','',$this->VMax) ){
+			if(preg_replace('/\.[0-9]+/','',$this->VMax) == 100)
+				$this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax);
+			else
+				$this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax)+1;
+		}
+
+       /* If all values are the same */
+       if ( $this->VMax == $this->VMin )
+        {
+         if ( $this->VMax >= 0 ) { $this->VMax++; }
+         else { $this->VMin--; }
+        }
+
+       $DataRange = $this->VMax - $this->VMin;
+       if ( $DataRange == 0 ) { $DataRange = .1; }
+
+       /* Compute automatic scaling */
+       $ScaleOk = FALSE; $Factor = 1;
+       $MinDivHeight = 25; $MaxDivs = ($this->GArea_Y2 - $this->GArea_Y1) / $MinDivHeight;
+
+       if ( $this->VMin == 0 && $this->VMax == 0 )
+        { $this->VMin = 0; $this->VMax = 2; $Scale = 1; $Divisions = 2;}
+       elseif ($MaxDivs > 1)
+        {
+         while(!$ScaleOk)
+          {
+			$oldFactor = $Factor;
+		  
+           $Scale1 = ( $this->VMax - $this->VMin ) / $Factor;
+           $Scale2 = ( $this->VMax - $this->VMin ) / $Factor / 2;
+           $Scale4 = ( $this->VMax - $this->VMin ) / $Factor / 4;
+
+           if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}
+           if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}
+           if (!$ScaleOk)
+            {
+             if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
+             if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
+            }
+			// Dodaten pogoj da ne delimo slucajno z 0
+			if($Factor == 0){				
+				$Factor = $oldFactor;
+				
+				$Divisions = floor($Scale1); 
+				$Scale = 1;
+				$ScaleOk = TRUE;
+			}
+          }
+
+         if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor)
+          {
+           $GridID     = floor ( $this->VMax / $Scale / $Factor) + 1;
+           $this->VMax = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+
+         if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor)
+          {
+           $GridID     = floor( $this->VMin / $Scale / $Factor);
+           $this->VMin = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+        }
+       else /* Can occurs for small graphs */
+        $Scale = 1;
+
+       if ( !isset($Divisions) )
+        $Divisions = 2;
+
+       if ($Scale == 1 && $Divisions%2 == 1)
+        $Divisions--;
+		
+		// Posebeni primeri skal
+		// 0 - 10
+		if ( $this->VMin == 0 && in_array($this->VMax,array(3,4,5,6,7,8,9,10)) ){
+			$Divisions = $this->VMax;
+		}
+		// 10 - 25
+		elseif ( $this->VMin == 0 && $this->VMax > 10 && $this->VMax <= 25){
+			$this->VMax = $this->roundToNearest($this->VMax, 5);
+			$Divisions = $this->VMax/5;
+		}
+		// 25 - 50
+		elseif ( $this->VMin == 0 && $this->VMax > 25 && $this->VMax <= 50 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 10);
+			$Divisions = $this->VMax/10;
+		}
+		// 50+
+		elseif ( $this->VMin == 0 && $this->VMax > 50 && $this->VMax <= 200 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 20);
+			$Divisions = $this->VMax/20;
+		}
+		// 200+
+		elseif ( $this->VMin == 0 && $this->VMax > 200 ){
+			$this->VMax = $this->roundToNearest($this->VMax, 100);
+			$Divisions = 10;
+		}
+      }
+     else
+      $Divisions = $this->Divisions;
+
+     $this->DivisionCount = $Divisions;
+
+     $DataRange = $this->VMax - $this->VMin;
+     if ( $DataRange == 0 ) { $DataRange = .1; }
+
+     $this->DivisionHeight = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $Divisions;
+     $this->DivisionRatio  = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $DataRange;
+
+     $this->GAreaXOffset  = 0;
+     if ( count($Data) > 1 )
+      {
+       if ( $WithMargin == FALSE )
+        $this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data)-1);
+       else
+        {
+         $this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data));
+         $this->GAreaXOffset  = $this->DivisionWidth / 2;
+        }
+      }
+     else
+      {
+       $this->DivisionWidth = $this->GArea_X2 - $this->GArea_X1;
+       $this->GAreaXOffset  = $this->DivisionWidth / 2;
+      }
+
+     $this->DataCount = count($Data);
+
+     if ( $DrawTicks == FALSE )
+      return(0);
+
+     $YPos = $this->GArea_Y2; $XMin = NULL;
+     for($i=1;$i<=$Divisions+1;$i++)
+      {
+       if ( $RightScale )
+        $this->drawLine($this->GArea_X2,$YPos,$this->GArea_X2+floor($this->FontSize/2),$YPos,$R,$G,$B);
+       else
+        $this->drawLine($this->GArea_X1,$YPos,$this->GArea_X1-floor($this->FontSize/2),$YPos,$R,$G,$B);
+
+       $Value     = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);
+	   $OrigValue = $Value;
+       $Value     = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
+       if ( $DataDescription["Format"]["Y"] == "number" )
+        $Value = $Value.$DataDescription["Unit"]["Y"];
+       if ( $DataDescription["Format"]["Y"] == "time" )
+        $Value = $this->ToTime($Value);        
+       if ( $DataDescription["Format"]["Y"] == "date" )
+        $Value = $this->ToDate($Value);        
+       if ( $DataDescription["Format"]["Y"] == "metric" )
+        $Value = $this->ToMetric($Value);        
+       if ( $DataDescription["Format"]["Y"] == "currency" )
+        $Value = $this->ToCurrency($Value);  
+
+		// Ce je oznacba na skali decimalka je ne izpisemo (ker zaokrozujemo na cela stevila)
+		if($Decimals == 0)
+			$Value = ($OrigValue != $Value)	? '' : $Value;
+
+       $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth = $Position[2]-$Position[0];
+
+       if ( $RightScale )
+        {
+         imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X2+$this->FontSize,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+         if ( $XMin < $this->GArea_X2+15+$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X2+15+$TextWidth; }
+        }
+       else
+        {
+         imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1-$this->FontSize-$TextWidth,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+         if ( $XMin > $this->GArea_X1-$this->FontSize-$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X1-$this->FontSize-$TextWidth; }
+        }
+
+       $YPos = $YPos - $this->DivisionHeight;
+      }
+
+     /* Write the Y Axis caption if set */ 
+     if ( isset($DataDescription["Axis"]["Y"]) )
+      {
+       $Position   = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);
+       $TextHeight = abs($Position[1])+abs($Position[3]);
+       $TextTop    = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight/2);
+
+       if ( $RightScale )
+        imagettftext($this->Picture,$this->FontSize,90,$XMin+$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
+       else
+        imagettftext($this->Picture,$this->FontSize,90,$XMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
+      }
+
+     /* Horizontal Axis */
+     $XPos = $this->GArea_X1 + $this->GAreaXOffset;
+     $ID = 1; $YMax = NULL;
+     foreach ( $Data as $Key => $Values )
+      {
+       if ( $ID % $SkipLabels == 0 )
+        {
+         $this->drawLine(floor($XPos),$this->GArea_Y2,floor($XPos),$this->GArea_Y2+floor($this->FontSize/2),$R,$G,$B);
+         // snippet - skrajsamo text na poljubno dolzino
+		 $Value      = $this->snippet($Data[$Key][$DataDescription["Position"]], $roundText);
+         if ( $DataDescription["Format"]["X"] == "number" )
+          $Value = $Value.$DataDescription["Unit"]["X"];
+         if ( $DataDescription["Format"]["X"] == "time" )
+          $Value = $this->ToTime($Value);        
+         if ( $DataDescription["Format"]["X"] == "date" )
+          $Value = $this->ToDate($Value);        
+         if ( $DataDescription["Format"]["X"] == "metric" )
+          $Value = $this->ToMetric($Value);        
+         if ( $DataDescription["Format"]["X"] == "currency" )
+          $Value = $this->ToCurrency($Value);        
+
+         $Position   = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);
+         $TextWidth  = abs($Position[2])+abs($Position[0]);
+         $TextHeight = abs($Position[1])+abs($Position[3]);
+
+         if ( $Angle == 0 )
+          {
+           $YPos = $this->GArea_Y2+(2*$this->FontSize);
+           imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-floor($TextWidth/2),$YPos,$C_TextColor,$this->FontName,$Value);
+          }
+         else
+          {
+           $YPos = $this->GArea_Y2+(1.5*$this->FontSize)+$TextHeight;
+           if ( $Angle <= 90 )
+            imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-$TextWidth+floor($this->FontSize/2),$YPos,$C_TextColor,$this->FontName,$Value);
+           else
+            imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)+$TextWidth+floor($this->FontSize/2),$YPos,$C_TextColor,$this->FontName,$Value);
+          }
+         if ( $YMax < $YPos || $YMax == NULL ) { $YMax = $YPos; }
+        }
+
+       $XPos = $XPos + $this->DivisionWidth;
+       $ID++;
+      }
+
+    /* Write the X Axis caption if set */ 
+    if ( isset($DataDescription["Axis"]["X"]) )
+      {
+       $Position   = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["X"]);
+       $TextWidth  = abs($Position[2])+abs($Position[0]);
+       $TextLeft   = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth/2);
+       imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$YMax+$this->FontSize+floor($this->FontSize/2),$C_TextColor,$this->FontName,$DataDescription["Axis"]["X"]);
+      }
+    }
+
+   /* Compute and draw the scale for X/Y charts */
+   function drawXYScale($Data,$DataDescription,$YSerieName,$XSerieName,$R,$G,$B,$WithMargin=0,$Angle=0,$Decimals=1)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateData("drawScale",$Data);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);
+     $this->drawLine($this->GArea_X1,$this->GArea_Y2,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
+
+     /* Process Y scale */
+     if ( $this->VMin == NULL && $this->VMax == NULL)
+      {
+       $this->VMin = $Data[0][$YSerieName];
+       $this->VMax = $Data[0][$YSerieName];
+
+       foreach ( $Data as $Key => $Values )
+        {
+         if (isset($Data[$Key][$YSerieName]))
+          {
+           $Value = $Data[$Key][$YSerieName];
+           if ( $this->VMax < $Value) { $this->VMax = $Value; }
+           if ( $this->VMin > $Value) { $this->VMin = $Value; }
+          }
+        }
+
+       if ( $this->VMax > preg_replace('/\.[0-9]+/','',$this->VMax) )
+        $this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax)+1;
+
+       $DataRange = $this->VMax - $this->VMin;
+       if ( $DataRange == 0 ) { $DataRange = .1; }
+
+       /* Compute automatic scaling */
+       $ScaleOk = FALSE; $Factor = 1;
+       $MinDivHeight = 25; $MaxDivs = ($this->GArea_Y2 - $this->GArea_Y1) / $MinDivHeight;
+
+       if ( $this->VMin == 0 && $this->VMax == 0 )
+        { $this->VMin = 0; $this->VMax = 2; $Scale = 1; $Divisions = 2;}
+       elseif ($MaxDivs > 1)
+        {
+         while(!$ScaleOk)
+          {
+           $Scale1 = ( $this->VMax - $this->VMin ) / $Factor;
+           $Scale2 = ( $this->VMax - $this->VMin ) / $Factor / 2;
+           $Scale4 = ( $this->VMax - $this->VMin ) / $Factor / 4;
+
+           if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}
+           if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}
+           if (!$ScaleOk)
+            {
+             if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
+             if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
+            }
+          }
+
+         if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor)
+          {
+           $GridID     = floor ( $this->VMax / $Scale / $Factor) + 1;
+           $this->VMax = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+
+         if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor)
+          {
+           $GridID     = floor( $this->VMin / $Scale / $Factor);
+           $this->VMin = $GridID * $Scale * $Factor;
+           $Divisions++;
+          }
+        }
+       else /* Can occurs for small graphs */
+        $Scale = 1;
+
+       if ( !isset($Divisions) )
+        $Divisions = 2;
+
+       if ( $this->isRealInt(($this->VMax-$this->VMin)/($Divisions-1)))
+        $Divisions--;
+       elseif ( $this->isRealInt(($this->VMax-$this->VMin)/($Divisions+1)))
+        $Divisions++;
+      }
+     else
+      $Divisions = $this->Divisions;
+
+     $this->DivisionCount = $Divisions;
+
+     $DataRange = $this->VMax - $this->VMin;
+     if ( $DataRange == 0 ) { $DataRange = .1; }
+
+     $this->DivisionHeight = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $Divisions;
+     $this->DivisionRatio  = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $DataRange;
+
+     $YPos = $this->GArea_Y2; $XMin = NULL;
+     for($i=1;$i<=$Divisions+1;$i++)
+      {
+       $this->drawLine($this->GArea_X1,$YPos,$this->GArea_X1-5,$YPos,$R,$G,$B);
+       $Value     = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);
+       $Value     = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
+       if ( $DataDescription["Format"]["Y"] == "number" )
+        $Value = $Value.$DataDescription["Unit"]["Y"];
+       if ( $DataDescription["Format"]["Y"] == "time" )
+        $Value = $this->ToTime($Value);        
+       if ( $DataDescription["Format"]["Y"] == "date" )
+        $Value = $this->ToDate($Value);        
+       if ( $DataDescription["Format"]["Y"] == "metric" )
+        $Value = $this->ToMetric($Value);        
+       if ( $DataDescription["Format"]["Y"] == "currency" )
+        $Value = $this->ToCurrency($Value);        
+
+       $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth = $Position[2]-$Position[0];
+       imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1-10-$TextWidth,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+       if ( $XMin > $this->GArea_X1-10-$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X1-10-$TextWidth; }
+
+       $YPos = $YPos - $this->DivisionHeight;
+      }
+
+     /* Process X scale */
+     if ( $this->VXMin == NULL && $this->VXMax == NULL)
+      {
+       $this->VXMin = $Data[0][$XSerieName];
+       $this->VXMax = $Data[0][$XSerieName];
+
+       foreach ( $Data as $Key => $Values )
+        {
+         if (isset($Data[$Key][$XSerieName]))
+          {
+           $Value = $Data[$Key][$XSerieName];
+           if ( $this->VXMax < $Value) { $this->VXMax = $Value; }
+           if ( $this->VXMin > $Value) { $this->VXMin = $Value; }
+          }
+        }
+
+       if ( $this->VXMax > preg_replace('/\.[0-9]+/','',$this->VXMax) )
+        $this->VXMax = preg_replace('/\.[0-9]+/','',$this->VXMax)+1;
+
+       $DataRange = $this->VMax - $this->VMin;
+       if ( $DataRange == 0 ) { $DataRange = .1; }
+
+       /* Compute automatic scaling */
+       $ScaleOk = FALSE; $Factor = 1;
+       $MinDivWidth = 25; $MaxDivs = ($this->GArea_X2 - $this->GArea_X1) / $MinDivWidth;
+
+       if ( $this->VXMin == 0 && $this->VXMax == 0 )
+        { $this->VXMin = 0; $this->VXMax = 2; $Scale = 1; $XDivisions = 2;}
+       elseif ($MaxDivs > 1)
+        {
+         while(!$ScaleOk)
+          {
+           $Scale1 = ( $this->VXMax - $this->VXMin ) / $Factor;
+           $Scale2 = ( $this->VXMax - $this->VXMin ) / $Factor / 2;
+           $Scale4 = ( $this->VXMax - $this->VXMin ) / $Factor / 4;
+
+           if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $XDivisions = floor($Scale1); $Scale = 1;}
+           if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $XDivisions = floor($Scale2); $Scale = 2;}
+           if (!$ScaleOk)
+            {
+             if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
+             if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
+            }
+          }
+
+         if ( floor($this->VXMax / $Scale / $Factor) != $this->VXMax / $Scale / $Factor)
+          {
+           $GridID     = floor ( $this->VXMax / $Scale / $Factor) + 1;
+           $this->VXMax = $GridID * $Scale * $Factor;
+           $XDivisions++;
+          }
+
+         if ( floor($this->VXMin / $Scale / $Factor) != $this->VXMin / $Scale / $Factor)
+          {
+           $GridID     = floor( $this->VXMin / $Scale / $Factor);
+           $this->VXMin = $GridID * $Scale * $Factor;
+           $XDivisions++;
+          }
+        }
+       else /* Can occurs for small graphs */
+        $Scale = 1;
+
+       if ( !isset($XDivisions) )
+        $XDivisions = 2;
+
+       if ( $this->isRealInt(($this->VXMax-$this->VXMin)/($XDivisions-1)))
+        $XDivisions--;
+       elseif ( $this->isRealInt(($this->VXMax-$this->VXMin)/($XDivisions+1)))
+        $XDivisions++;
+      }
+     else
+      $XDivisions = $this->XDivisions;
+
+     $this->XDivisionCount = $Divisions;
+     $this->DataCount      = $Divisions + 2;
+
+     $XDataRange = $this->VXMax - $this->VXMin;
+     if ( $XDataRange == 0 ) { $XDataRange = .1; }
+
+     $this->DivisionWidth   = ( $this->GArea_X2 - $this->GArea_X1 ) / $XDivisions;
+     $this->XDivisionRatio  = ( $this->GArea_X2 - $this->GArea_X1 ) / $XDataRange;
+
+     $XPos = $this->GArea_X1; $YMax = NULL;
+     for($i=1;$i<=$XDivisions+1;$i++)
+      {
+       $this->drawLine($XPos,$this->GArea_Y2,$XPos,$this->GArea_Y2+5,$R,$G,$B);
+
+       $Value     = $this->VXMin + ($i-1) * (( $this->VXMax - $this->VXMin ) / $XDivisions);
+       $Value     = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
+       if ( $DataDescription["Format"]["Y"] == "number" )
+        $Value = $Value.$DataDescription["Unit"]["Y"];
+       if ( $DataDescription["Format"]["Y"] == "time" )
+        $Value = $this->ToTime($Value);        
+       if ( $DataDescription["Format"]["Y"] == "date" )
+        $Value = $this->ToDate($Value);        
+       if ( $DataDescription["Format"]["Y"] == "metric" )
+        $Value = $this->ToMetric($Value);        
+       if ( $DataDescription["Format"]["Y"] == "currency" )
+        $Value = $this->ToCurrency($Value);        
+
+       $Position   = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);
+       $TextWidth  = abs($Position[2])+abs($Position[0]);
+       $TextHeight = abs($Position[1])+abs($Position[3]);
+
+       if ( $Angle == 0 )
+        {
+         $YPos = $this->GArea_Y2+18;
+         imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-floor($TextWidth/2),$YPos,$C_TextColor,$this->FontName,$Value);
+        }
+       else
+        {
+         $YPos = $this->GArea_Y2+10+$TextHeight;
+         if ( $Angle <= 90 )
+          imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
+         else
+          imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)+$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
+         }
+
+       if ( $YMax < $YPos || $YMax == NULL ) { $YMax = $YPos; }
+
+       $XPos = $XPos + $this->DivisionWidth;
+      }
+
+     /* Write the Y Axis caption if set */ 
+     if ( isset($DataDescription["Axis"]["Y"]) )
+      {
+       $Position   = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);
+       $TextHeight = abs($Position[1])+abs($Position[3]);
+       $TextTop    = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight/2);
+       imagettftext($this->Picture,$this->FontSize,90,$XMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
+      }
+
+     /* Write the X Axis caption if set */ 
+     if ( isset($DataDescription["Axis"]["X"]) )
+      {
+       $Position   = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["X"]);
+       $TextWidth  = abs($Position[2])+abs($Position[0]);
+       $TextLeft   = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth/2);
+       imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$YMax+$this->FontSize+5,$C_TextColor,$this->FontName,$DataDescription["Axis"]["X"]);
+      }
+    }
+
+   /* Compute and draw the scale */
+   function drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)
+    {
+     /* Draw mosaic */
+     if ( $Mosaic )
+      {
+       $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+       $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+
+       $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White         =$this->AllocateColor($this->Layers[0],255,255,255);
+       imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[0],$C_White);
+
+       $C_Rectangle =$this->AllocateColor($this->Layers[0],250,250,250);
+
+       $YPos  = $LayerHeight; //$this->GArea_Y2-1;
+       $LastY = $YPos;
+       for($i=0;$i<=$this->DivisionCount;$i++)
+        {
+         $LastY = $YPos;
+         $YPos  = $YPos - $this->DivisionHeight;
+
+         if ( $YPos <= 0 ) { $YPos = 1; }
+
+         if ( $i % 2 == 0 )
+          {
+           imagefilledrectangle($this->Layers[0],1,$YPos,$LayerWidth-1,$LastY,$C_Rectangle);
+          }
+        }
+       imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[0]);
+      }
+
+     /* Horizontal lines */
+     $YPos = $this->GArea_Y2 - $this->DivisionHeight;
+     for($i=1;$i<=$this->DivisionCount;$i++)
+      {
+       if ( $YPos > $this->GArea_Y1 && $YPos < $this->GArea_Y2 )
+        $this->drawDottedLine($this->GArea_X1,$YPos,$this->GArea_X2,$YPos,$LineWidth,$R,$G,$B);
+        
+       $YPos = $YPos - $this->DivisionHeight;
+      }
+
+     /* Vertical lines */
+     if ( $this->GAreaXOffset == 0 )
+      { $XPos = $this->GArea_X1 + $this->DivisionWidth + $this->GAreaXOffset; $ColCount = $this->DataCount-2; }
+     else
+      { $XPos = $this->GArea_X1 + $this->GAreaXOffset; $ColCount = floor( ($this->GArea_X2 - $this->GArea_X1) / $this->DivisionWidth ); }
+
+     for($i=1;$i<=$ColCount;$i++)
+      {
+       if ( $XPos > $this->GArea_X1 && $XPos < $this->GArea_X2 )
+        $this->drawDottedLine(floor($XPos),$this->GArea_Y1,floor($XPos),$this->GArea_Y2,$LineWidth,$R,$G,$B);
+       $XPos = $XPos + $this->DivisionWidth;
+      }
+    }
+
+   /* retrieve the legends size */
+   function getLegendBoxSize($DataDescription)
+    {
+     if ( !isset($DataDescription["Description"]) )
+      return(-1);
+
+     /* <-10->[8]<-4->Text<-10-> */
+     $MaxWidth = 0; $MaxHeight = 8;
+     foreach($DataDescription["Description"] as $Key => $Value)
+      {
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth  = $Position[2]-$Position[0];
+       $TextHeight = $Position[1]-$Position[7];
+       if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
+       $MaxHeight = $MaxHeight + $TextHeight + 4;
+      }
+     $MaxHeight = $MaxHeight - 3;
+     $MaxWidth  = $MaxWidth + 32;
+
+     return(array($MaxWidth,$MaxHeight));
+    }
+
+	
+   /* Draw the data legends */
+   function drawLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=false,$reverse=false)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawLegend",$DataDescription);
+
+     if ( !isset($DataDescription["Description"]) )
+      return(-1);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$Rt,$Gt,$Bt);
+
+	 $TextHeight = $this->FontSize*1.4;
+	 
+     /* <-10->[8]<-4->Text<-10-> */
+     $MaxWidth = 0; $MaxHeight = 8;
+     foreach($DataDescription["Description"] as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 12);
+	  
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth  = $Position[2]-$Position[0];
+       //$TextHeight = $Position[1]-$Position[7];
+       if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
+       $MaxHeight = $MaxHeight + $TextHeight + 4;
+      }
+     $MaxHeight = $MaxHeight - 5;
+     $MaxWidth  = $MaxWidth + 32;
+
+     if ( $Rs == -1 || $Gs == -1 || $Bs == -1 )
+      { $Rs = $R-30; $Gs = $G-30; $Bs = $B-30; }
+
+     if ( $Border )
+      {
+       $this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$Rs,$Gs,$Bs);
+       $this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);
+      }
+
+     if($reverse)
+		$YOffset = $MaxHeight-4;
+	 else
+		$YOffset = 4 + $this->FontSize; 
+	 
+	 $ID = 0;
+     foreach($DataDescription["Description"] as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 12);
+	   
+       $this->drawFilledRectangle($XPos+10,$YPos+$YOffset-2-floor(0.8*$this->FontSize),$XPos+10+floor(0.8*$this->FontSize),$YPos+$YOffset-2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+       imagettftext($this->Picture,$this->FontSize,0,$XPos+($this->FontSize*2)+7,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value);
+
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       //$TextHeight = $Position[1]-$Position[7];
+
+	   if($reverse)
+		$YOffset = $YOffset - ($TextHeight + 4);
+	   else
+		$YOffset = $YOffset + $TextHeight + 4;
+       $ID++;
+      }
+    }
+
+   /* Narisemo posebno legendo pri povprecjih multigridov */
+   function drawAvgLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=false,$reverse=false)
+    {
+     if ( !isset($DataDescription) )
+      return(-1);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$Rt,$Gt,$Bt);
+
+	 $TextHeight = $this->FontSize*1.4;
+	 
+     /* <-10->[8]<-4->Text<-10-> */
+     $MaxWidth = 0; $MaxHeight = 8;
+     foreach($DataDescription as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 15);
+	  
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth  = $Position[2]-$Position[0];
+       //$TextHeight = $Position[1]-$Position[7];
+       if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
+       $MaxHeight = $MaxHeight + $TextHeight + 4;
+      }
+     $MaxHeight = $MaxHeight - 5;
+     $MaxWidth  = $MaxWidth + 32;
+
+     if ( $Rs == -1 || $Gs == -1 || $Bs == -1 )
+      { $Rs = $R-30; $Gs = $G-30; $Bs = $B-30; }
+
+     if ( $Border )
+      {
+       $this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$Rs,$Gs,$Bs);
+       $this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);
+      }
+
+     if($reverse)
+		$YOffset = $MaxHeight-4;
+	 else
+		$YOffset = 4 + $this->FontSize; 
+	 
+	 $ID = 0;
+     foreach($DataDescription as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 15);
+	   
+	   $Value = ($ID+1).' - '.$Value;
+	   
+       //$this->drawFilledRectangle($XPos+10,$YPos+$YOffset-2-floor(0.8*$this->FontSize),$XPos+10+floor(0.8*$this->FontSize),$YPos+$YOffset-2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+       imagettftext($this->Picture,$this->FontSize,0,$XPos+($this->FontSize),$YPos+$YOffset,$C_TextColor,$this->FontName,$Value);
+
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       //$TextHeight = $Position[1]-$Position[7];
+
+	   if($reverse)
+		$YOffset = $YOffset - ($TextHeight + 4);
+	   else
+		$YOffset = $YOffset + $TextHeight + 4;
+       $ID++;
+      }
+    }
+	
+	/* Izrisemo vertikalno legendo */
+   function drawVerticalLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=false)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawLegend",$DataDescription);
+
+     if ( !isset($DataDescription["Description"]) )
+      return(-1);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$Rt,$Gt,$Bt);
+	 	 
+     /* <-10->[8]<-4->Text<-10-> */
+     $width = 0;
+	 $width2 = 0;
+	 $split_counter = 0;
+     foreach($DataDescription["Description"] as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 30);
+	  
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth  = $Position[2]-$Position[0];
+       $TextHeight = $Position[1]-$Position[7];
+
+	    // Ce je legenda presiroka jo razbijemo v 2 vrstici
+		if(($this->FontSize * 80) < $width){
+			$width2 += $TextWidth + ($this->FontSize*4);		
+		}
+		else{
+			$width += $TextWidth + ($this->FontSize*4);
+			$split_counter++;
+		}
+      }	  
+	  
+	  $max_width = ($width2 > $width) ? $width2 : $width;
+	  $XPos2 = $XPos - round($max_width/2);
+	  
+     if ( $Rs == -1 || $Gs == -1 || $Bs == -1 )
+      { $Rs = $R-30; $Gs = $G-30; $Bs = $B-30; }
+
+     if ( $Border )
+      {
+		// legenda v 1 vrstici
+		if($width2 == 0){
+			$this->drawFilledRoundedRectangle($XPos2+1,$YPos+1,$XPos2+$max_width+1,$YPos+20+1,5,$Rs,$Gs,$Bs);
+			$this->drawFilledRoundedRectangle($XPos2,$YPos,$XPos2+$max_width,$YPos+20,5,$R,$G,$B);
+		}
+		// legenda v 2 vrsticah
+		else{
+			$this->drawFilledRoundedRectangle($XPos2+1,$YPos+1,$XPos2+$max_width+1,$YPos+20+1,5,$Rs,$Gs,$Bs);
+			$this->drawFilledRoundedRectangle($XPos2,$YPos,$XPos2+$max_width,$YPos+40,5,$R,$G,$B);
+		}      
+      }
+
+	  // Izpis v eni vrstici
+	  if($width2 == 0){
+		 $XOffset = 0; 		 
+		 $ID = 0;
+		 foreach($DataDescription["Description"] as $Key => $Value)
+		  {
+		   $Value = $this->snippet($Value, 30);
+		   
+		   $this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+		   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize*2)+7+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+		   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+		   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+		   $XOffset = $XOffset + $TextWidth;
+			
+		   $ID++;
+		  }
+	  }
+	  // izpis v 2 vrsticah
+	  else{
+		 $XOffset = 0; 		 
+		 $ID = 0;
+		 foreach($DataDescription["Description"] as $Key => $Value)
+		  {
+			if($ID == $split_counter)
+				$XOffset = 0; 
+		  
+			$Value = $this->snippet($Value, 30);
+			
+		   // izrisujemo 2. vrstico
+		   if($ID >= $split_counter){
+				$XPos2 = $XPos - round($width2/2);
+				if($ID == $split_counter)
+					$YPos += $TextHeight + 10;
+		   
+			   $this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+			   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize*2)+7+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+			   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+			   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+			   $XOffset = $XOffset + $TextWidth;
+		   }
+		   // izrisujemo 1. vrstico
+		   else{	
+				$XPos2 = $XPos - round($width/2);
+				
+			   $this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+			   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize*2)+7+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+			   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+			   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+			   $XOffset = $XOffset + $TextWidth;		   
+		   }
+		   
+		   $ID++;
+		  }
+	  }
+    }
+
+	/* Izrisemo vertikalno legendo */
+   function drawAvgVerticalLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=false)
+    {
+     if ( !isset($DataDescription) )
+      return(-1);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$Rt,$Gt,$Bt);
+	 	 
+     /* <-10->[8]<-4->Text<-10-> */
+     $width = 0;
+	 $width2 = 0;
+	 $split_counter = 0;
+     foreach($DataDescription as $Key => $Value)
+      {
+	   $Value = $this->snippet($Value, 30);
+	  
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth  = $Position[2]-$Position[0];
+       $TextHeight = $Position[1]-$Position[7];
+
+	    // Ce je legenda presiroka jo razbijemo v 2 vrstici
+		if(($this->FontSize * 80) < $width){
+			$width2 += $TextWidth + ($this->FontSize*4);		
+		}
+		else{
+			$width += $TextWidth + ($this->FontSize*4);
+			$split_counter++;
+		}
+      }	  
+	  
+	  $max_width = ($width2 > $width) ? $width2 : $width;
+	  $XPos2 = $XPos - round($max_width/2);
+	  
+     if ( $Rs == -1 || $Gs == -1 || $Bs == -1 )
+      { $Rs = $R-30; $Gs = $G-30; $Bs = $B-30; }
+
+     if ( $Border )
+      {
+		// legenda v 1 vrstici
+		if($width2 == 0){
+			$this->drawFilledRoundedRectangle($XPos2+1,$YPos+1,$XPos2+$max_width+1,$YPos+20+1,5,$Rs,$Gs,$Bs);
+			$this->drawFilledRoundedRectangle($XPos2,$YPos,$XPos2+$max_width,$YPos+20,5,$R,$G,$B);
+		}
+		// legenda v 2 vrsticah
+		else{
+			$this->drawFilledRoundedRectangle($XPos2+1,$YPos+1,$XPos2+$max_width+1,$YPos+20+1,5,$Rs,$Gs,$Bs);
+			$this->drawFilledRoundedRectangle($XPos2,$YPos,$XPos2+$max_width,$YPos+40,5,$R,$G,$B);
+		}      
+      }
+
+	  // Izpis v eni vrstici
+	  if($width2 == 0){
+		 $XOffset = 0; 		 
+		 $ID = 0;
+		 foreach($DataDescription as $Key => $Value)
+		  {
+		   $Value = $this->snippet($Value, 30);
+		   
+		   $Value = ($ID+1).' - '.$Value;
+		   
+		   //$this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+		   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize)+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+		   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+		   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+		   $XOffset = $XOffset + $TextWidth;
+			
+		   $ID++;
+		  }
+	  }
+	  // izpis v 2 vrsticah
+	  else{
+		 $XOffset = 0; 		 
+		 $ID = 0;
+		 foreach($DataDescription as $Key => $Value)
+		  {
+			if($ID == $split_counter)
+				$XOffset = 0; 
+		  
+			$Value = $this->snippet($Value, 30);
+			
+			$Value = ($ID+1).' - '.$Value;
+			
+		   // izrisujemo 2. vrstico
+		   if($ID >= $split_counter){
+				$XPos2 = $XPos - round($width2/2);
+				if($ID == $split_counter)
+					$YPos += $TextHeight + 10;
+		   
+			   //$this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+			   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize)+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+			   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+			   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+			   $XOffset = $XOffset + $TextWidth;
+		   }
+		   // izrisujemo 1. vrstico
+		   else{	
+				$XPos2 = $XPos - round($width/2);
+				
+			   //$this->drawFilledRectangle($XPos2+10+$XOffset,$YPos+11-floor(0.8*$this->FontSize/2),$XPos2+10+$XOffset+floor(0.8*$this->FontSize),$YPos+11+floor(0.8*$this->FontSize/2),$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+			   imagettftext($this->Picture,$this->FontSize,0,$XPos2+($this->FontSize)+$XOffset,$YPos+11+floor($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
+
+			   $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+			   $TextWidth  = $Position[2]-$Position[0] + ($this->FontSize*4);
+
+			   $XOffset = $XOffset + $TextWidth;		   
+		   }
+		   
+		   $ID++;
+		  }
+	  }
+    }
+	
+   /* Draw the data legends */
+   function drawPieLegend($XPos,$YPos,$Data,$DataDescription,$R,$G,$B,$Border=false)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawPieLegend",$DataDescription,FALSE);
+     $this->validateData("drawPieLegend",$Data);
+
+     if ( !isset($DataDescription["Position"]) )
+      return(-1);
+
+     $C_TextColor =$this->AllocateColor($this->Picture,0,0,0);
+
+	 $TextHeight = $this->FontSize*1.4;
+	 
+     /* <-10->[8]<-4->Text<-10-> */
+     $MaxWidth = 0; $MaxHeight = 8;
+     foreach($Data as $Key => $Value)
+      {
+       $Value2 = $this->snippet($Value[$DataDescription["Position"]], 28);
+       $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Value2);
+       $TextWidth = $Position[2]-$Position[0];
+       //$TextHeight = $Position[1]-$Position[7];
+       if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
+
+       $MaxHeight = $MaxHeight + $TextHeight + 4;
+      }
+     $MaxHeight = $MaxHeight - 3;
+     $MaxWidth  = $MaxWidth + 32;
+
+	 if ( $Border )
+     {
+		$this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$R-30,$G-30,$B-30);
+		$this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);
+	 }
+
+     $YOffset = 4 + $this->FontSize; $ID = 0;
+     foreach($Data as $Key => $Value)
+      {
+       $Value2     = $this->snippet($Value[$DataDescription["Position"]], 28);
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value2);
+       //$TextHeight = $Position[1]-$Position[7];
+       $this->drawFilledRectangle($XPos+10,$YPos+$YOffset-2-floor(0.8*$this->FontSize),$XPos+10+floor(0.8*$this->FontSize),$YPos+$YOffset-2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
+
+       imagettftext($this->Picture,$this->FontSize,0,$XPos+($this->FontSize*2)+7,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value2);
+       $YOffset = $YOffset + $TextHeight + 4;
+       $ID++;
+      }
+    }
+
+	
+   /* Draw the graph title */
+   function drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
+    {
+     $C_TextColor = $this->AllocateColor($this->Picture,$R,$G,$B);
+
+     if ( $XPos2 != -1 )
+      {
+       $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextWidth = $Position[2]-$Position[0];
+       $XPos      = floor(( $XPos2 - $XPos - $TextWidth ) / 2 ) + $XPos;
+      }
+
+     if ( $YPos2 != -1 )
+      {
+       $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Value);
+       $TextHeight = $Position[5]-$Position[3];
+       $YPos       = floor(( $YPos2 - $YPos - $TextHeight ) / 2 ) + $YPos;
+      }
+
+     if ( $Shadow )
+      {
+       $C_ShadowColor = $this->AllocateColor($this->Picture,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor);
+       imagettftext($this->Picture,$this->FontSize,0,$XPos+$this->ShadowXDistance,$YPos+$this->ShadowYDistance,$C_ShadowColor,$this->FontName,$Value);     
+      }
+
+     imagettftext($this->Picture,$this->FontSize,0,$XPos,$YPos,$C_TextColor,$this->FontName,$Value);     
+    }
+
+   /* Draw a text box with text align & alpha properties */
+   function drawTextBox($X1,$Y1,$X2,$Y2,$Text,$Angle=0,$R=255,$G=255,$B=255,$Align=ALIGN_LEFT,$Shadow=TRUE,$BgR=-1,$BgG=-1,$BgB=-1,$Alpha=100)
+    {
+     $Position   = imageftbbox($this->FontSize,$Angle,$this->FontName,$Text);
+     $TextWidth  = $Position[2]-$Position[0];
+     $TextHeight = $Position[5]-$Position[3];
+     $AreaWidth  = $X2 - $X1;
+     $AreaHeight = $Y2 - $Y1;
+
+     if ( $BgR != -1 && $BgG != -1 && $BgB != -1 )
+      $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$BgR,$BgG,$BgB,FALSE,$Alpha);
+
+     if ( $Align == ALIGN_TOP_LEFT )      { $X = $X1+1; $Y = $Y1+$this->FontSize+1; }
+     if ( $Align == ALIGN_TOP_CENTER )    { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y1+$this->FontSize+1; }
+     if ( $Align == ALIGN_TOP_RIGHT )     { $X = $X2-$TextWidth-1; $Y = $Y1+$this->FontSize+1; }
+     if ( $Align == ALIGN_LEFT )          { $X = $X1+1; $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
+     if ( $Align == ALIGN_CENTER )        { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
+     if ( $Align == ALIGN_RIGHT )         { $X = $X2-$TextWidth-1; $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
+     if ( $Align == ALIGN_BOTTOM_LEFT )   { $X = $X1+1; $Y = $Y2-1; }
+     if ( $Align == ALIGN_BOTTOM_CENTER ) { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y2-1; }
+     if ( $Align == ALIGN_BOTTOM_RIGHT )  { $X = $X2-$TextWidth-1; $Y = $Y2-1; }
+
+     $C_TextColor   =$this->AllocateColor($this->Picture,$R,$G,$B);
+     $C_ShadowColor =$this->AllocateColor($this->Picture,0,0,0);
+     if ( $Shadow )
+      imagettftext($this->Picture,$this->FontSize,$Angle,$X+1,$Y+1,$C_ShadowColor,$this->FontName,$Text);     
+
+     imagettftext($this->Picture,$this->FontSize,$Angle,$X,$Y,$C_TextColor,$this->FontName,$Text);     
+    }
+
+   /* Compute and draw the scale */
+   function drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4,$FreeText=NULL)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
+     $Y = $this->GArea_Y2 - ($Value - $this->VMin) * $this->DivisionRatio;
+
+     if ( $Y <= $this->GArea_Y1 || $Y >= $this->GArea_Y2 )
+      return(-1);
+
+     if ( $TickWidth == 0 )
+      $this->drawLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$R,$G,$B);
+     else
+      $this->drawDottedLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$TickWidth,$R,$G,$B);
+
+     if ( $ShowLabel )
+      {
+       if ( $FreeText == NULL )
+        { $Label = $Value; } else { $Label = $FreeText; }
+
+       if ( $ShowOnRight )
+        imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X2+2,$Y+($this->FontSize/2),$C_TextColor,$this->FontName,$Label);
+       else
+        imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1+2,$Y-($this->FontSize/2),$C_TextColor,$this->FontName,$Label);
+      }
+    }
+
+   /* This function put a label on a specific point */
+   function setLabel($Data,$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("setLabel",$DataDescription);
+     $this->validateData("setLabel",$Data);
+     $ShadowFactor = 100;
+     $C_Label      =$this->AllocateColor($this->Picture,$R,$G,$B);
+     $C_Shadow     =$this->AllocateColor($this->Picture,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
+     $C_TextColor  =$this->AllocateColor($this->Picture,0,0,0);
+
+     $Cp = 0; $Found = FALSE;
+     foreach ( $Data as $Key => $Value )
+      {
+       if ( $Data[$Key][$DataDescription["Position"]] == $ValueName )
+        { $NumericalValue = $Data[$Key][$SerieName]; $Found = TRUE; }
+       if ( !$Found )
+        $Cp++;
+      }
+
+     $XPos = $this->GArea_X1 + $this->GAreaXOffset + ( $this->DivisionWidth * $Cp ) + 2;
+     $YPos = $this->GArea_Y2 - ($NumericalValue - $this->VMin) * $this->DivisionRatio;
+
+     $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
+     $TextHeight = $Position[3] - $Position[5];
+     $TextWidth  = $Position[2]-$Position[0] + 2;
+     $TextOffset = floor($TextHeight/2);
+
+     // Shadow
+     $Poly = array($XPos+1,$YPos+1,$XPos + 9,$YPos - $TextOffset,$XPos + 8,$YPos + $TextOffset + 2);
+     imagefilledpolygon($this->Picture,$Poly,3,$C_Shadow);
+     $this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos - $TextOffset - .2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
+     $this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos + $TextOffset + 2.2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
+     $this->drawFilledRectangle($XPos + 9,$YPos - $TextOffset-.2,$XPos + 13 + $TextWidth,$YPos + $TextOffset + 2.2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
+
+     // Label background
+     $Poly = array($XPos,$YPos,$XPos + 8,$YPos - $TextOffset - 1,$XPos + 8,$YPos + $TextOffset + 1);
+     imagefilledpolygon($this->Picture,$Poly,3,$C_Label);
+     $this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos - $TextOffset - 1.2,$R,$G,$B);
+     $this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos + $TextOffset + 1.2,$R,$G,$B);
+     $this->drawFilledRectangle($XPos + 8,$YPos - $TextOffset - 1.2,$XPos + 12 + $TextWidth,$YPos + $TextOffset + 1.2,$R,$G,$B);
+
+     imagettftext($this->Picture,$this->FontSize,0,$XPos + 10,$YPos + $TextOffset,$C_TextColor,$this->FontName,$Caption);
+    }
+
+   /* This function draw a plot graph */
+   function drawPlotGraph($Data,$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=FALSE)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawPlotGraph",$DataDescription);
+     $this->validateData("drawPlotGraph",$Data);
+
+     $GraphID = 0;
+     $Ro = $R2; $Go = $G2; $Bo = $B2;
+
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $R = $this->Palette[$ColorID]["R"];
+       $G = $this->Palette[$ColorID]["G"];
+       $B = $this->Palette[$ColorID]["B"];
+       $R2 = $Ro; $G2 = $Go; $B2 = $Bo;
+
+       if ( isset($DataDescription["Symbol"][$ColName]) )
+        {
+         $Is_Alpha = ((ord ( file_get_contents ($DataDescription["Symbol"][$ColName], false, null, 25, 1)) & 6) & 4) == 4;
+
+         $Infos       = getimagesize($DataDescription["Symbol"][$ColName]);
+         $ImageWidth  = $Infos[0];
+         $ImageHeight = $Infos[1];
+         $Symbol      = imagecreatefromgif($DataDescription["Symbol"][$ColName]);
+        }
+
+       $XPos  = $this->GArea_X1 + $this->GAreaXOffset;
+       $Hsize = round($BigRadius/2);
+       $R3 = -1; $G3 = -1; $B3 = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         $Value = $Data[$Key][$ColName];
+         $YPos  = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+
+         /* Save point into the image map if option activated */
+         if ( $this->BuildMap )
+          $this->addToImageMap($XPos-$Hsize,$YPos-$Hsize,$XPos+1+$Hsize,$YPos+$Hsize+1,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Plot");
+
+         if ( is_numeric($Value) )
+          {
+           if ( !isset($DataDescription["Symbol"][$ColName]) )
+            {
+
+             if ( $Shadow )
+              {
+               if ( $R3 !=-1 && $G3 !=-1 && $B3 !=-1 )
+                $this->drawFilledCircle($XPos+2,$YPos+2,$BigRadius,$R3,$G3,$B3);
+               else
+                {
+                 $R3 = $this->Palette[$ColorID]["R"]-20; if ( $R3 < 0 ) { $R3 = 0; }
+                 $G3 = $this->Palette[$ColorID]["G"]-20; if ( $G3 < 0 ) { $G3 = 0; }
+                 $B3 = $this->Palette[$ColorID]["B"]-20; if ( $B3 < 0 ) { $B3 = 0; }
+                 $this->drawFilledCircle($XPos+2,$YPos+2,$BigRadius,$R3,$G3,$B3);
+                }
+              }
+
+             $this->drawFilledCircle($XPos+1,$YPos+1,$BigRadius,$R,$G,$B);
+
+             if ( $SmallRadius != 0 )
+              {
+               if ( $R2 !=-1 && $G2 !=-1 && $B2 !=-1 )
+                $this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R2,$G2,$B2);
+               else
+                {
+                 $R2 = $this->Palette[$ColorID]["R"]-15; if ( $R2 < 0 ) { $R2 = 0; }
+                 $G2 = $this->Palette[$ColorID]["G"]-15; if ( $G2 < 0 ) { $G2 = 0; }
+                 $B2 = $this->Palette[$ColorID]["B"]-15; if ( $B2 < 0 ) { $B2 = 0; }
+
+                 $this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R2,$G2,$B2);
+                }
+              }
+            }
+           else
+            {
+             imagecopymerge($this->Picture,$Symbol,$XPos+1-$ImageWidth/2,$YPos+1-$ImageHeight/2,0,0,$ImageWidth,$ImageHeight,100);
+            }
+          }
+
+         $XPos = $XPos + $this->DivisionWidth;
+        }
+       $GraphID++;
+      }
+    }
+
+   /* This function draw a plot graph in an X/Y space */
+   function drawXYPlotGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=TRUE)
+    {
+     $R = $this->Palette[$PaletteID]["R"];
+     $G = $this->Palette[$PaletteID]["G"];
+     $B = $this->Palette[$PaletteID]["B"];
+     $R3 = -1; $G3 = -1; $B3 = -1;
+
+     $YLast = -1; $XLast = -1;
+     foreach ( $Data as $Key => $Values )
+      {
+       if ( isset($Data[$Key][$YSerieName]) && isset($Data[$Key][$XSerieName]) )
+        {
+         $X = $Data[$Key][$XSerieName];
+         $Y = $Data[$Key][$YSerieName];
+
+         $Y = $this->GArea_Y2 - (($Y-$this->VMin) * $this->DivisionRatio);
+         $X = $this->GArea_X1 + (($X-$this->VXMin) * $this->XDivisionRatio);
+
+
+         if ( $Shadow )
+          {
+           if ( $R3 !=-1 && $G3 !=-1 && $B3 !=-1 )
+            $this->drawFilledCircle($X+2,$Y+2,$BigRadius,$R3,$G3,$B3);
+           else
+            {
+             $R3 = $this->Palette[$PaletteID]["R"]-20; if ( $R < 0 ) { $R = 0; }
+             $G3 = $this->Palette[$PaletteID]["G"]-20; if ( $G < 0 ) { $G = 0; }
+             $B3 = $this->Palette[$PaletteID]["B"]-20; if ( $B < 0 ) { $B = 0; }
+             $this->drawFilledCircle($X+2,$Y+2,$BigRadius,$R3,$G3,$B3);
+            }
+          }
+
+         $this->drawFilledCircle($X+1,$Y+1,$BigRadius,$R,$G,$B);
+
+         if ( $R2 !=-1 && $G2 !=-1 && $B2 !=-1 )
+          $this->drawFilledCircle($X+1,$Y+1,$SmallRadius,$R2,$G2,$B2);
+         else
+          {
+           $R2 = $this->Palette[$PaletteID]["R"]+20; if ( $R > 255 ) { $R = 255; }
+           $G2 = $this->Palette[$PaletteID]["G"]+20; if ( $G > 255 ) { $G = 255; }
+           $B2 = $this->Palette[$PaletteID]["B"]+20; if ( $B > 255 ) { $B = 255; }
+           $this->drawFilledCircle($X+1,$Y+1,$SmallRadius,$R2,$G2,$B2);
+          }
+        }
+      }
+
+    }
+
+   /* This function draw an area between two series */
+   function drawArea($Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateData("drawArea",$Data);
+
+     $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+     $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+
+     $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+     $C_White         =$this->AllocateColor($this->Layers[0],255,255,255);
+     imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+     imagecolortransparent($this->Layers[0],$C_White);
+
+     $C_Graph =$this->AllocateColor($this->Layers[0],$R,$G,$B);
+
+     $XPos     = $this->GAreaXOffset;
+     $LastXPos = -1;
+     foreach ( $Data as $Key => $Values )
+      {
+       $Value1 = $Data[$Key][$Serie1];
+       $Value2 = $Data[$Key][$Serie2];
+       $YPos1  = $LayerHeight - (($Value1-$this->VMin) * $this->DivisionRatio);
+       $YPos2  = $LayerHeight - (($Value2-$this->VMin) * $this->DivisionRatio);
+
+       if ( $LastXPos != -1 )
+        {
+         $Points   = array();
+         $Points[] = $LastXPos; $Points[] = $LastYPos1;
+         $Points[] = $LastXPos; $Points[] = $LastYPos2;
+         $Points[] = $XPos; $Points[] = $YPos2;
+         $Points[] = $XPos; $Points[] = $YPos1;
+
+         imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);
+        }
+
+       $LastYPos1 = $YPos1;
+       $LastYPos2 = $YPos2;
+       $LastXPos  = $XPos;
+
+       $XPos = $XPos + $this->DivisionWidth;
+      }
+
+     imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+     imagedestroy($this->Layers[0]);
+    }
+
+
+   /* This function write the values of the specified series */
+   function writeValues($Data,$DataDescription,$Series)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("writeValues",$DataDescription);
+     $this->validateData("writeValues",$Data);
+
+     if ( !is_array($Series) ) { $Series = array($Series); }     
+
+     foreach($Series as $Key => $Serie)
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $Serie ) { $ColorID = $ID; }; $ID++; }
+
+       $XPos  = $this->GArea_X1 + $this->GAreaXOffset;
+       $XLast = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$Serie]) && is_numeric($Data[$Key][$Serie]))
+          {
+           $Value = $Data[$Key][$Serie];
+           $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+
+           $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Value);
+           $Width  = $Positions[2] - $Positions[6]; $XOffset = $XPos - ($Width/2); 
+           $Height = $Positions[3] - $Positions[7]; $YOffset = $YPos - 4;
+
+           $C_TextColor =$this->AllocateColor($this->Picture,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+           imagettftext($this->Picture,$this->FontSize,0,$XOffset,$YOffset,$C_TextColor,$this->FontName,$Value);
+          }
+         $XPos = $XPos + $this->DivisionWidth;
+        }
+
+      }
+    }
+
+   /* This function draw a line graph */
+   function drawLineGraph($Data,$DataDescription,$SerieName="")
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawLineGraph",$DataDescription);
+     $this->validateData("drawLineGraph",$Data);
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       if ( $SerieName == "" || $SerieName == $ColName )
+        {
+         $XPos  = $this->GArea_X1 + $this->GAreaXOffset;
+         $XLast = -1;
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]))
+            {
+             $Value = $Data[$Key][$ColName];
+             $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+
+             /* Save point into the image map if option activated */
+             if ( $this->BuildMap )
+              $this->addToImageMap($XPos-3,$YPos-3,$XPos+3,$YPos+3,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Line");
+
+             if (!is_numeric($Value)) { $XLast = -1; }
+             if ( $XLast != -1 )
+              $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
+
+             $XLast = $XPos;
+             $YLast = $YPos;
+             if (!is_numeric($Value)) { $XLast = -1; }
+            }
+           $XPos = $XPos + $this->DivisionWidth;
+          }
+         $GraphID++;
+        }
+      }
+    }
+
+   /* This function draw a line graph */
+   function drawXYGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0)
+    {
+     $YLast = -1; $XLast = -1;
+     foreach ( $Data as $Key => $Values )
+      {
+       if ( isset($Data[$Key][$YSerieName]) && isset($Data[$Key][$XSerieName]) )
+        {
+         $X = $Data[$Key][$XSerieName];
+         $Y = $Data[$Key][$YSerieName];
+
+         $Y = $this->GArea_Y2 - (($Y-$this->VMin) * $this->DivisionRatio);
+         $X = $this->GArea_X1 + (($X-$this->VXMin) * $this->XDivisionRatio);
+
+         if ($XLast != -1 && $YLast != -1)
+          {
+           $this->drawLine($XLast,$YLast,$X,$Y,$this->Palette[$PaletteID]["R"],$this->Palette[$PaletteID]["G"],$this->Palette[$PaletteID]["B"],TRUE);
+          }
+
+         $XLast = $X;
+         $YLast = $Y;
+        }
+      }
+    }
+
+   /* This function draw a cubic curve */
+   function drawCubicCurve($Data,$DataDescription,$Accuracy=.1,$SerieName="")
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawCubicCurve",$DataDescription);
+     $this->validateData("drawCubicCurve",$Data);
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       if ( $SerieName == "" || $SerieName == $ColName )
+        {
+         $XIn = array(); $Yin = array(); $Yt = array(); $U = array();
+         $XIn[0] = 0; $YIn[0] = 0;
+
+         $ID = 0;
+         foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+          { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+         $Index = 1;
+         $XLast = -1; $Missing = array();
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]) )
+            {
+             $Value = $Data[$Key][$ColName];
+             $XIn[$Index] = $Index;
+             $YIn[$Index] = $Value;
+             if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }
+             $Index++;
+            }
+          }
+         $Index--;
+
+         $Yt[0] = 0;
+         $Yt[1] = 0;
+         $U[1]  = 0;
+         for($i=2;$i<=$Index-1;$i++)
+          {
+           $Sig    = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);
+           $p      = $Sig * $Yt[$i-1] + 2;
+           $Yt[$i] = ($Sig - 1) / $p;
+           $U[$i]  = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);
+           $U[$i]  = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;
+          }
+
+         $qn = 0;
+         $un = 0;
+         $Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);
+
+         for($k=$Index-1;$k>=1;$k--)
+          $Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];
+
+         $XPos  = $this->GArea_X1 + $this->GAreaXOffset;
+         for($X=1;$X<=$Index;$X=$X+$Accuracy)
+          {
+           $klo = 1;
+           $khi = $Index;
+           $k   = $khi - $klo;
+           while($k > 1)
+            {
+             $k = $khi - $klo;
+             If ( $XIn[$k] >= $X )
+              $khi = $k;
+             else
+              $klo = $k;
+            }
+           $klo = $khi - 1;
+
+           $h     = $XIn[$khi] - $XIn[$klo];
+           $a     = ($XIn[$khi] - $X) / $h;
+           $b     = ($X - $XIn[$klo]) / $h;
+           $Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;
+
+           $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+
+           if ( $XLast != -1 && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)]) )
+            $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
+
+           $XLast = $XPos;
+           $YLast = $YPos;
+           $XPos  = $XPos + $this->DivisionWidth * $Accuracy;
+          }
+
+         // Add potentialy missing values
+         $XPos  = $XPos - $this->DivisionWidth * $Accuracy;
+         if ( $XPos < ($this->GArea_X2 - $this->GAreaXOffset) )
+          {
+           $YPos = $this->GArea_Y2 - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);
+           $this->drawLine($XLast,$YLast,$this->GArea_X2-$this->GAreaXOffset,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
+          }
+
+         $GraphID++;
+        }
+      }
+    }
+
+   /* This function draw a filled cubic curve */
+   function drawFilledCubicCurve($Data,$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawFilledCubicCurve",$DataDescription);
+     $this->validateData("drawFilledCubicCurve",$Data);
+
+     $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+     $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+     $YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $XIn = array(); $Yin = array(); $Yt = array(); $U = array();
+       $XIn[0] = 0; $YIn[0] = 0;
+
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $Index = 1;
+       $XLast = -1; $Missing = array();
+       foreach ( $Data as $Key => $Values )
+        {
+         $Value = $Data[$Key][$ColName];
+         $XIn[$Index] = $Index;
+         $YIn[$Index] = $Value;
+         if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }
+         $Index++;
+        }
+       $Index--;
+ 
+       $Yt[0] = 0;
+       $Yt[1] = 0;
+       $U[1]  = 0;
+       for($i=2;$i<=$Index-1;$i++)
+        {
+         $Sig    = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);
+         $p      = $Sig * $Yt[$i-1] + 2;
+         $Yt[$i] = ($Sig - 1) / $p;
+         $U[$i]  = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);
+         $U[$i]  = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;
+        }
+
+       $qn = 0;
+       $un = 0;
+       $Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);
+
+       for($k=$Index-1;$k>=1;$k--)
+        $Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];
+
+       $Points   = array();
+       $Points[] = $this->GAreaXOffset;
+       $Points[] = $LayerHeight;
+
+       $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White         =$this->AllocateColor($this->Layers[0],255,255,255);
+       imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[0],$C_White);
+
+       $YLast = NULL;
+       $XPos  = $this->GAreaXOffset; $PointsCount = 2;
+       for($X=1;$X<=$Index;$X=$X+$Accuracy)
+        {
+         $klo = 1;
+         $khi = $Index;
+         $k   = $khi - $klo;
+         while($k > 1)
+          {
+           $k = $khi - $klo;
+           If ( $XIn[$k] >= $X )
+            $khi = $k;
+           else
+            $klo = $k;
+          }
+         $klo = $khi - 1;
+
+         $h     = $XIn[$khi] - $XIn[$klo];
+         $a     = ($XIn[$khi] - $X) / $h;
+         $b     = ($X - $XIn[$klo]) / $h;
+         $Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;
+
+         $YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
+
+         if ( $YLast != NULL && $AroundZero && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)]))
+          {
+           $aPoints   = array();
+           $aPoints[] = $XLast;
+           $aPoints[] = $YLast;
+           $aPoints[] = $XPos;
+           $aPoints[] = $YPos;
+           $aPoints[] = $XPos;
+           $aPoints[] = $YZero;
+           $aPoints[] = $XLast;
+           $aPoints[] = $YZero;
+
+           $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+           imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);
+          }
+
+         if ( !isset($Missing[floor($X)]) || $YLast == NULL )
+          {
+           $PointsCount++;
+           $Points[] = $XPos;
+           $Points[] = $YPos;
+          }
+         else
+          {
+           $PointsCount++; $Points[] = $XLast; $Points[] = $LayerHeight;
+          }
+
+         $YLast = $YPos; $XLast = $XPos; 
+         $XPos  = $XPos + $this->DivisionWidth * $Accuracy;
+        }
+
+       // Add potentialy missing values
+       $XPos  = $XPos - $this->DivisionWidth * $Accuracy;
+       if ( $XPos < ($LayerWidth-$this->GAreaXOffset) )
+        {
+         $YPos = $LayerHeight - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);
+
+         if ( $YLast != NULL && $AroundZero )
+          {
+           $aPoints   = array();
+           $aPoints[] = $XLast;
+           $aPoints[] = $YLast;
+           $aPoints[] = $LayerWidth-$this->GAreaXOffset;
+           $aPoints[] = $YPos;
+           $aPoints[] = $LayerWidth-$this->GAreaXOffset;
+           $aPoints[] = $YZero;
+           $aPoints[] = $XLast;
+           $aPoints[] = $YZero;
+
+           $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+           imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);
+          }
+
+         if ( $YIn[$klo] != "" && $YIn[$khi] != "" || $YLast == NULL )
+          {
+           $PointsCount++;
+           $Points[] = $LayerWidth-$this->GAreaXOffset;
+           $Points[] = $YPos;
+          }
+        }
+
+       $Points[] = $LayerWidth-$this->GAreaXOffset;
+       $Points[] = $LayerHeight;
+
+       if ( !$AroundZero )
+        {
+         $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+         imagefilledpolygon($this->Layers[0],$Points,$PointsCount,$C_Graph);
+        }
+
+       imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[0]);
+
+       $this->drawCubicCurve($Data,$DataDescription,$Accuracy,$ColName);
+
+       $GraphID++;
+      }
+    }
+
+   /* This function draw a filled line graph */
+   function drawFilledLineGraph($Data,$DataDescription,$Alpha=100,$AroundZero=FALSE)
+    {
+     $Empty = -2147483647;
+
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawFilledLineGraph",$DataDescription);
+     $this->validateData("drawFilledLineGraph",$Data);
+
+     $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+     $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $aPoints   = array();
+       $aPoints[] = $this->GAreaXOffset;
+       $aPoints[] = $LayerHeight;
+
+       $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White         = $this->AllocateColor($this->Layers[0],255,255,255);
+       imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[0],$C_White);
+
+       $XPos  = $this->GAreaXOffset;
+       $XLast = -1; $PointsCount = 2;
+       $YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
+       if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }
+
+       $YLast = $Empty;
+       foreach ( $Data as $Key => $Values )
+        {
+         $Value = $Data[$Key][$ColName];
+         $YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
+
+         /* Save point into the image map if option activated */
+         if ( $this->BuildMap )
+          $this->addToImageMap($XPos-3,$YPos-3,$XPos+3,$YPos+3,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"FLine");
+
+         if ( !is_numeric($Value) )
+          {
+           $PointsCount++;
+           $aPoints[] = $XLast;
+           $aPoints[] = $LayerHeight;
+
+           $YLast = $Empty;
+          }
+         else
+          {
+           $PointsCount++;
+           if ( $YLast <> $Empty )
+            { $aPoints[] = $XPos; $aPoints[] = $YPos; }
+           else
+            { $PointsCount++; $aPoints[] = $XPos; $aPoints[] = $LayerHeight; $aPoints[] = $XPos; $aPoints[] = $YPos; }
+
+           if ($YLast <> $Empty && $AroundZero)
+            {
+             $Points   = array();
+             $Points[] = $XLast; $Points[] = $YLast;
+             $Points[] = $XPos;
+             $Points[] = $YPos;
+             $Points[] = $XPos;
+             $Points[] = $YZero;
+             $Points[] = $XLast;
+             $Points[] = $YZero;
+
+             $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+             imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);
+            }
+           $YLast = $YPos;
+          }
+
+         $XLast = $XPos;
+         $XPos  = $XPos + $this->DivisionWidth;
+        }
+       $aPoints[] = $LayerWidth - $this->GAreaXOffset;
+       $aPoints[] = $LayerHeight;
+
+       if ( $AroundZero == FALSE )
+        {
+         $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+         imagefilledpolygon($this->Layers[0],$aPoints,$PointsCount,$C_Graph);
+        }
+
+       imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[0]);
+       $GraphID++;
+       $this->drawLineGraph($Data,$DataDescription,$ColName);
+      }
+    }
+
+   /* This function draw a bar graph */
+   function drawOverlayBarGraph($Data,$DataDescription,$Alpha=50)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawOverlayBarGraph",$DataDescription);
+     $this->validateData("drawOverlayBarGraph",$Data);
+
+     $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+     $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $this->Layers[$GraphID] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White                = $this->AllocateColor($this->Layers[$GraphID],255,255,255);
+       $C_Graph                = $this->AllocateColor($this->Layers[$GraphID],$this->Palette[$GraphID]["R"],$this->Palette[$GraphID]["G"],$this->Palette[$GraphID]["B"]);
+       imagefilledrectangle($this->Layers[$GraphID],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[$GraphID],$C_White);
+
+       $XWidth = $this->DivisionWidth / 4;
+       $XPos   = $this->GAreaXOffset;
+       $YZero  = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
+       $XLast  = -1; $PointsCount = 2;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]) )
+          {
+           $Value = $Data[$Key][$ColName];
+           if ( is_numeric($Value) )
+            {
+             $YPos  = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
+
+             imagefilledrectangle($this->Layers[$GraphID],$XPos-$XWidth,$YPos,$XPos+$XWidth,$YZero,$C_Graph);
+
+             $X1 = floor($XPos - $XWidth + $this->GArea_X1); $Y1 = floor($YPos+$this->GArea_Y1) + .2;
+             $X2 = floor($XPos + $XWidth + $this->GArea_X1); $Y2 = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
+             if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }
+             if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }
+
+             /* Save point into the image map if option activated */
+             if ( $this->BuildMap )
+              $this->addToImageMap($X1,min($Y1,$Y2),$X2,max($Y1,$Y2),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"oBar");
+
+             $this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
+            }
+          }
+         $XPos = $XPos + $this->DivisionWidth;
+        }
+
+       $GraphID++;
+      }
+
+     for($i=0;$i<=($GraphID-1);$i++)
+      {
+       imagecopymerge($this->Picture,$this->Layers[$i],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[$i]);
+      }
+    }
+
+   /* This function draw a bar graph */
+   function drawBarGraph($Data,$DataDescription,$Shadow=FALSE,$Alpha=100,$insideValues=false,$insideValuesSmall=false)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBarGraph",$DataDescription);
+     $this->validateData("drawBarGraph",$Data);
+
+     $GraphID      = 0;
+     $Series       = count($DataDescription["Values"]);
+     $SeriesWidth  = $this->DivisionWidth / ($Series+1);
+     $SerieXOffset = $this->DivisionWidth / 2 - $SeriesWidth / 2;
+
+     $YZero  = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }
+
+     $SerieID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $XPos  = $this->GArea_X1 + $this->GAreaXOffset - $SerieXOffset + $SeriesWidth * $SerieID;
+       $XLast = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           if ( is_numeric($Data[$Key][$ColName]) )
+            {
+             $Value = $Data[$Key][$ColName];
+             $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+
+             /* Save point into the image map if option activated */
+             if ( $this->BuildMap )
+              {
+               $this->addToImageMap($XPos+1,min($YZero,$YPos),$XPos+$SeriesWidth-1,max($YZero,$YPos),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Bar");
+              }
+           
+             if ( $Shadow && $Alpha == 100 )
+              $this->drawRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,25,25,25,TRUE,$Alpha);
+
+             $this->drawFilledRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
+
+			 // Izris label znotraj stolpca
+			 if($insideValues == true){
+				$X = 0;
+				$Y = 0;
+				
+				if($DataDescription["Unit"]["Y"] == '%')
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_PERCENT'));
+				else
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_AVERAGE'));
+				
+			   if ( $DataDescription["Format"]["Y"] == "number" )
+				$Text = $Value.$DataDescription["Unit"]["Y"];
+			   if ( $DataDescription["Format"]["Y"] == "time" )
+				$Text = $this->ToTime($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "date" )
+				$Text = $this->ToDate($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "metric" )
+				$Text = $this->ToMetric($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "currency" )
+				$Text = $this->ToCurrency($Value);        
+				
+			   $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Text);
+			   $TextWidth = $Position[2]-$Position[0];
+
+			   $X = ($XPos + $XPos + $SeriesWidth) / 2;
+			   $Y = ($YZero+1 + $YPos-1) / 2;
+
+			    $text_colors = $this->getContrastTextColor($this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+				$C_TextColor = $this->AllocateColor($this->Picture,$text_colors['R'],$text_colors['G'],$text_colors['B']);
+			   
+				if($Value > 0 && ($YZero-$YPos > 15))
+					imagettftext($this->Picture,$this->FontSize,0,$X-($TextWidth/2),$Y+4,$C_TextColor,$this->FontName,$Text);	
+
+				//	Izrisemo se majhne vrednosti zraven stolpca 
+				elseif($insideValuesSmall == true){
+					$C_TextColor = $this->AllocateColor($this->Picture,0,0,0);			
+					imagettftext($this->Picture,$this->FontSize,0,$X-($TextWidth/2),$YPos-4,$C_TextColor,$this->FontName,$Text);
+				}
+			 }
+			}
+          }
+         $XPos = $XPos + $this->DivisionWidth;
+        }
+       $SerieID++;
+      }
+    }
+
+   /* This function draw a stacked bar graph */
+   function drawStackedBarGraph($Data,$DataDescription,$insideValues=false,$Alpha=50,$Contiguous=FALSE)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBarGraph",$DataDescription);
+     $this->validateData("drawBarGraph",$Data);
+
+     $GraphID      = 0;
+     $Series       = count($DataDescription["Values"]);
+     if ( $Contiguous )
+      $SeriesWidth  = $this->DivisionWidth;
+     else
+      $SeriesWidth  = $this->DivisionWidth * .8;
+
+     $YZero  = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
+     if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }
+
+     $SerieID = 0; $LastValue = array();
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $XPos  = $this->GArea_X1 + $this->GAreaXOffset - $SeriesWidth / 2;
+       $XLast = -1; 
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           if ( is_numeric($Data[$Key][$ColName]) )
+            {
+             $Value = $Data[$Key][$ColName];
+
+             if ( isset($LastValue[$Key]) )
+              {
+               $YPos    = $this->GArea_Y2 - ((($Value+$LastValue[$Key])-$this->VMin) * $this->DivisionRatio);
+               $YBottom = $this->GArea_Y2 - (($LastValue[$Key]-$this->VMin) * $this->DivisionRatio);
+               $LastValue[$Key] += $Value;
+              }
+             else
+              {
+               $YPos    = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
+               $YBottom = $YZero;
+               $LastValue[$Key] = $Value;
+              }
+
+             /* Save point into the image map if option activated */
+             if ( $this->BuildMap )
+              $this->addToImageMap($XPos+1,min($YBottom,$YPos),$XPos+$SeriesWidth-1,max($YBottom,$YPos),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"sBar");
+
+             $this->drawFilledRectangle($XPos+1,$YBottom,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
+            
+			 // Izris label znotraj stolpca
+			 if($insideValues == true){
+				$X = 0;
+				$Y = 0;
+				
+				if($DataDescription["Unit"]["Y"] == '%')
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_PERCENT'));
+				else
+					$Value = round($Value, SurveyDataSettingProfiles :: getSetting('NUM_DIGIT_AVERAGE'));
+				
+			   if ( $DataDescription["Format"]["Y"] == "number" )
+				$Text = $Value.$DataDescription["Unit"]["Y"];
+			   if ( $DataDescription["Format"]["Y"] == "time" )
+				$Text = $this->ToTime($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "date" )
+				$Text = $this->ToDate($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "metric" )
+				$Text = $this->ToMetric($Value);        
+			   if ( $DataDescription["Format"]["Y"] == "currency" )
+				$Text = $this->ToCurrency($Value);        
+				
+			   $Position  = imageftbbox($this->FontSize,0,$this->FontName,$Text);
+			   $TextWidth = $Position[2]-$Position[0];
+
+			   $X = ($XPos + $XPos + $SeriesWidth) / 2;
+			   $Y = ($YBottom+1 + $YPos-1) / 2;
+
+				$text_colors = $this->getContrastTextColor($this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+				$C_TextColor = $this->AllocateColor($this->Picture,$text_colors['R'],$text_colors['G'],$text_colors['B']);
+			   
+				if($Value > 0 && ($YBottom-$YPos > 15))
+					imagettftext($this->Picture,$this->FontSize,0,$X-($TextWidth/2),$Y+4,$C_TextColor,$this->FontName,$Text);		 
+			 }
+			
+			}
+          }
+         $XPos = $XPos + $this->DivisionWidth;
+        }
+       $SerieID++;
+      }
+    }
+
+   /* This function draw a limits bar graphs */
+   function drawLimitsGraph($Data,$DataDescription,$R=0,$G=0,$B=0)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawLimitsGraph",$DataDescription);
+     $this->validateData("drawLimitsGraph",$Data);
+
+     $XWidth = $this->DivisionWidth / 4;
+     $XPos   = $this->GArea_X1 + $this->GAreaXOffset;
+
+     foreach ( $Data as $Key => $Values )
+      {
+       $Min     = $Data[$Key][$DataDescription["Values"][0]];
+       $Max     = $Data[$Key][$DataDescription["Values"][0]];
+       $GraphID = 0; $MaxID = 0; $MinID = 0;
+       foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+        {
+         if ( isset($Data[$Key][$ColName]) )
+          {
+           if ( $Data[$Key][$ColName] > $Max && is_numeric($Data[$Key][$ColName]))
+            { $Max = $Data[$Key][$ColName]; $MaxID = $GraphID; }
+          }
+         if ( isset($Data[$Key][$ColName]) && is_numeric($Data[$Key][$ColName]))
+          {
+           if ( $Data[$Key][$ColName] < $Min )
+            { $Min = $Data[$Key][$ColName]; $MinID = $GraphID; }
+           $GraphID++;
+          }
+        }
+
+       $YPos = $this->GArea_Y2 - (($Max-$this->VMin) * $this->DivisionRatio);
+       $X1 = floor($XPos - $XWidth); $Y1 = floor($YPos) - .2;
+       $X2 = floor($XPos + $XWidth);
+       if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }
+       if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }
+
+       $YPos = $this->GArea_Y2 - (($Min-$this->VMin) * $this->DivisionRatio);
+       $Y2 = floor($YPos) + .2;
+
+       $this->drawLine(floor($XPos)-.2,$Y1+1,floor($XPos)-.2,$Y2-1,$R,$G,$B,TRUE);
+       $this->drawLine(floor($XPos)+.2,$Y1+1,floor($XPos)+.2,$Y2-1,$R,$G,$B,TRUE);
+       $this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$MaxID]["R"],$this->Palette[$MaxID]["G"],$this->Palette[$MaxID]["B"],FALSE);
+       $this->drawLine($X1,$Y2,$X2,$Y2,$this->Palette[$MinID]["R"],$this->Palette[$MinID]["G"],$this->Palette[$MinID]["B"],FALSE);
+
+       $XPos = $XPos + $this->DivisionWidth;
+      }
+    }
+
+   /* This function draw radar axis centered on the graph area */
+   function drawRadarAxis($Data,$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1, $ScalePosition=0)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawRadarAxis",$DataDescription);
+     $this->validateData("drawRadarAxis",$Data);
+
+     $C_TextColor = $this->AllocateColor($this->Picture,$A_R,$A_G,$A_B);
+
+     // Draw radar axis
+     $Points  = count($Data);
+     $Radius  = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
+     $XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;
+     $YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;
+
+     // Search for the max value
+     if ( $MaxValue == -1 )
+      {
+       foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+        {
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]))
+            if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }
+          }
+        }
+      }
+ 
+	  // Zascita pred praznimi vprasanji brez podatkov
+	  if($MaxValue == 0)
+		return;  
+ 
+     // Draw the mosaic
+     if ( $Mosaic )
+      {
+       $RadiusScale = $Radius / $MaxValue;
+       for ( $t=1; $t<=$MaxValue-1; $t++)
+        {
+         $TRadius  = $RadiusScale * $t;
+         $LastX1   = -1;
+
+         for ( $i=0; $i<=$Points; $i++)
+          {
+           $Angle = -90 + $i * 360/$Points;
+           $X1 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
+           $Y1 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
+           $X2 = cos($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $XCenter;
+           $Y2 = sin($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $YCenter;
+
+           if ( $t % 2 == 1 && $LastX1 != -1)
+            {
+             $Plots   = array();
+             $Plots[] = $X1; $Plots[] = $Y1;
+             $Plots[] = $X2; $Plots[] = $Y2;
+             $Plots[] = $LastX2; $Plots[] = $LastY2;
+             $Plots[] = $LastX1; $Plots[] = $LastY1;
+
+             $C_Graph = $this->AllocateColor($this->Picture,250,250,250);
+             imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_Graph);
+            }
+
+           $LastX1 = $X1; $LastY1= $Y1;
+           $LastX2 = $X2; $LastY2= $Y2;
+          }
+        }
+      }
+	 	 
+	 // Nastavimo interval in zacetek skale - zaenkrat imamo vedno 3 vrednosti
+	 // Imamo povprecja - zacnemo skalo od 1 do st vseh variabel
+	 if($this->VMin == 1){
+		$start = 1;
+		$interval = 1;
+	 }
+	 else{
+		$interval = floor($MaxValue / 2);
+		$start = 0;
+	 }
+	 /*if($MaxValue > 50){
+		$interval = 20;
+		$start = 20;
+	 }
+	 if($MaxValue > 10){
+		$interval = 10;
+		$start = 10;
+	 }
+	 else{
+		$interval = 1;
+		$start = 1;
+	 }*/
+	 
+	 if($interval == 0){
+		 $interval = (round($MaxValue / 2, 1) == 0) ? 1 : round($MaxValue / 2, 1);
+	 }
+	 
+	 /* Draw the spider web */
+     for ( $t=1; $t<=$MaxValue; $t+=$interval)
+      {
+       $TRadius = ( $Radius / $MaxValue ) * $t;
+       $LastX   = -1;
+
+       for ( $i=0; $i<=$Points; $i++)
+        {
+         $Angle = -90 + $i * 360/$Points;
+         $X = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
+         $Y = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
+
+         if ( $LastX != -1 )
+          $this->drawDottedLine($LastX,$LastY,$X,$Y,4,$S_R,$S_G,$S_B);
+
+         $LastX = $X; $LastY= $Y;
+        }
+      }
+
+
+     /* Draw the axis */
+     for ( $i=0; $i<=$Points; $i++)
+      {
+       $Angle = -90 + $i * 360/$Points;
+       $X = cos($Angle * 3.1418 / 180 ) * $Radius + $XCenter;
+       $Y = sin($Angle * 3.1418 / 180 ) * $Radius + $YCenter;
+
+       $this->drawLine($XCenter,$YCenter,$X,$Y,$A_R,$A_G,$A_B);
+
+	   $XLabel = cos($Angle * 3.1418 / 180 ) * ($Radius + 5) + $XCenter;
+       $YLabel = sin($Angle * 3.1418 / 180 ) * ($Radius + 5) + $YCenter;
+       $XOffset = 0; $YOffset = 0;
+       if (isset($Data[$i][$DataDescription["Position"]]))
+        {
+         $Label = $Data[$i][$DataDescription["Position"]];
+		 // skrcimo text na max dolzino
+		 if(strlen($Label) > 45){		 
+			$Label = $this->snippet($Label, 42);
+		 }	 
+         $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Label);
+         $Width  = $Positions[2] - $Positions[6];
+         $Height = $Positions[3] - $Positions[7];
+
+         if ( $Angle >= 0 && $Angle <= 90 )
+          $YOffset = $Height;
+
+         if ( $Angle > 90 && $Angle <= 180 )
+          { $YOffset = $Height; $XOffset = -$Width; }
+
+         if ( $Angle > 180 && $Angle <= 270 )
+          { $XOffset = -$Width; }
+
+         imagettftext($this->Picture,$this->FontSize,0,$XLabel+$XOffset,$YLabel+$YOffset,$C_TextColor,$this->FontName,$Label);
+        }
+      }
+
+     /* Write the values */	 
+     for ( $t=$start; $t<=$MaxValue+$this->VMin; $t+=$interval)
+      {
+       // postavitev label na os
+	   if($ScalePosition == 0){
+		   $TRadius = ( $Radius / $MaxValue ) * ($t-$this->VMin);
+
+		   $Angle = -90 /*+ 360/$Points*/;
+		   $X1 = $XCenter;
+		   $Y1 = $YCenter - $TRadius;
+		   $X2 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
+		   $Y2 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
+		   
+		   $XPos = floor(($X2-$X1)/2) + $X1;
+		   $YPos = floor(($Y2-$Y1)/2) + $Y1;
+
+		   $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$t);
+		   /*$X = $XPos - ( $X+$Positions[2] - $X+$Positions[6] ) / 2;
+		   $Y = $YPos + $this->FontSize;*/
+		   $X = $XPos + 7;
+		   $Y = $YPos + $this->FontSize + 2;
+
+		   $this->drawFilledRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,240,240,240);
+		   $this->drawRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,220,220,220);
+		   imagettftext($this->Picture,$this->FontSize,0,$X,$Y,$C_TextColor,$this->FontName,$t);
+	   }
+	   
+	   // postavitev label na diagonalo (originalno)
+	   else{
+		   $TRadius = ( $Radius / $MaxValue ) * ($t-$this->VMin);
+
+		   $Angle = -90 + 360/$Points;
+		   $X1 = $XCenter;
+		   $Y1 = $YCenter - $TRadius;
+		   $X2 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
+		   $Y2 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
+		   
+		   $XPos = floor(($X2-$X1)/2) + $X1;
+		   $YPos = floor(($Y2-$Y1)/2) + $Y1;
+
+		   $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$t);
+		   $X = $XPos - ( $X+$Positions[2] - $X+$Positions[6] ) / 2;
+		   $Y = $YPos + $this->FontSize;
+
+		   $this->drawFilledRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,240,240,240);
+		   $this->drawRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,220,220,220);
+		   imagettftext($this->Picture,$this->FontSize,0,$X,$Y,$C_TextColor,$this->FontName,$t);
+	   }   
+      }
+    }
+
+   /* This function draw a radar graph centered on the graph area */
+   function drawRadar($Data,$DataDescription,$BorderOffset=10,$MaxValue=-1)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawRadar",$DataDescription);
+     $this->validateData("drawRadar",$Data);
+
+     $Points  = count($Data);
+     $Radius  = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
+     $XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;
+     $YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;
+
+     /* Search for the max value */
+     if ( $MaxValue == -1 )
+      {
+       foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+        {
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]))
+            if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }
+          }
+        }
+      }
+
+	  if($MaxValue == 0)
+		return;  
+	  
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $Angle = -90;
+       $XLast = -1;
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           $Value    = $Data[$Key][$ColName];
+           $Strength = ( $Radius / $MaxValue ) * ($Value-$this->VMin);
+
+           $XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;
+           $YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;
+
+           if ( $XLast != -1 ){
+            $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+			// Naredimo piko na koncu crte
+			$this->drawFilledCircle($XPos+1,$YPos+1,3*floor($this->FontSize/8),$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+			$this->drawFilledCircle($XLast+1,$YLast+1,3*floor($this->FontSize/8),$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+		   }
+
+           if ( $XLast == -1 ){
+            $FirstX = $XPos; $FirstY = $YPos;
+		   }
+
+           $Angle = $Angle + (360/$Points);
+           $XLast = $XPos;
+           $YLast = $YPos;
+          }
+        }
+       $this->drawLine($XPos,$YPos,$FirstX,$FirstY,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+	   $this->drawFilledCircle($XPos+1,$YPos+1,3*floor($this->FontSize/8),$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+       $GraphID++;
+      }
+    }
+
+   /* This function draw a radar graph centered on the graph area */
+   function drawFilledRadar($Data,$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawFilledRadar",$DataDescription);
+     $this->validateData("drawFilledRadar",$Data);
+
+     $Points      = count($Data);
+     $LayerWidth  = $this->GArea_X2-$this->GArea_X1;
+     $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
+     $Radius      = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
+     $XCenter     = ( $this->GArea_X2 - $this->GArea_X1 ) / 2;
+     $YCenter     = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2;
+
+     /* Search for the max value */
+     if ( $MaxValue == -1 )
+      {
+       foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+        {
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]))
+            if ( $Data[$Key][$ColName] > $MaxValue && is_numeric($Data[$Key][$ColName])) { $MaxValue = $Data[$Key][$ColName]; }
+          }
+        }
+      }
+
+     $GraphID = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       $ID = 0;
+       foreach ( $DataDescription["Description"] as $keyI => $ValueI )
+        { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
+
+       $Angle = -90;
+       $XLast = -1;
+       $Plots = array();
+       foreach ( $Data as $Key => $Values )
+        {
+         if ( isset($Data[$Key][$ColName]))
+          {
+           $Value    = $Data[$Key][$ColName];
+           if ( !is_numeric($Value) ) { $Value = 0; }
+           $Strength = ( $Radius / $MaxValue ) * ($Value-$this->VMin);
+
+           $XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;
+           $YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;
+
+           $Plots[] = $XPos;
+           $Plots[] = $YPos;
+
+           $Angle = $Angle + (360/$Points);
+           $XLast = $XPos;
+           $YLast = $YPos;
+          }
+        }
+
+       if (isset($Plots[0]))
+        {
+         $Plots[] = $Plots[0];
+         $Plots[] = $Plots[1];
+
+         $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+         $C_White         = $this->AllocateColor($this->Layers[0],255,255,255);
+         imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+         imagecolortransparent($this->Layers[0],$C_White);
+
+         $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+         imagefilledpolygon($this->Layers[0],$Plots,(count($Plots)+1)/2,$C_Graph);
+
+         imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
+         imagedestroy($this->Layers[0]);
+
+         for($i=0;$i<=count($Plots)-4;$i=$i+2)
+          $this->drawLine($Plots[$i]+$this->GArea_X1,$Plots[$i+1]+$this->GArea_Y1,$Plots[$i+2]+$this->GArea_X1,$Plots[$i+3]+$this->GArea_Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
+        }
+
+       $GraphID++;
+      }
+    }
+
+   /* This function draw a flat pie chart */
+   function drawBasicPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawBasicPieGraph",$DataDescription,FALSE);
+     $this->validateData("drawBasicPieGraph",$Data);
+
+     /* Determine pie sum */
+     $Series = 0; $PieSum = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       if ( $ColName != $DataDescription["Position"] )
+        {
+         $Series++;
+         foreach ( $Data as $Key => $Values )
+          {
+           if ( isset($Data[$Key][$ColName]))
+            $PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];
+          }
+        }
+      }
+
+     /* Validate serie */
+     if ( $Series != 1 ){
+      //RaiseFatal("Pie chart can only accept one serie of data.");
+	  return;
+	  }
+
+     $SpliceRatio         = 360 / $PieSum;
+     $SplicePercent       = 100 / $PieSum;
+
+     /* Calculate all polygons */
+     $Angle    = 0; $TopPlots = array();
+     foreach($iValues as $Key => $Value)
+      {
+       $TopPlots[$Key][] = $XPos;
+       $TopPlots[$Key][] = $YPos;
+
+       /* Process labels position & size */
+       $Caption = "";
+       if ( !($DrawLabels == PIE_NOLABEL) )
+        {
+         $TAngle   = $Angle+($Value*$SpliceRatio/2);
+		 $result = round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals);
+		 
+         if ($DrawLabels == PIE_PERCENTAGE)
+          $Caption  = (round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
+         elseif ($DrawLabels == PIE_LABELS)
+          $Caption  = $iLabels[$Key];
+         elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
+          $Caption  = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
+          elseif ($DrawLabels == 'custom' && $result > 4)
+          $Caption  = $iLabels[$Key]." (".(round($Value * pow(10,$Decimals))/pow(10,$Decimals)).")";
+		 elseif ($DrawLabels == 'custom_percent' && $result > 4)
+          $Caption  = $iLabels[$Key]." (".$result."%)";
+
+         $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
+         $TextWidth  = $Position[2]-$Position[0];
+         $TextHeight = abs($Position[1])+abs($Position[3]);
+
+         $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+10) + $XPos;
+
+         if ( $TAngle > 0 && $TAngle < 180 )
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+10) + $YPos + 4;
+         else
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+4) + $YPos - ($TextHeight/2);
+
+         if ( $TAngle > 90 && $TAngle < 270 )
+          $TX = $TX - $TextWidth;
+
+         $C_TextColor = $this->AllocateColor($this->Picture,70,70,70);
+         imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
+        }
+
+       /* Process pie slices */
+       for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
+        {
+         $TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;
+         $TopY = sin($iAngle * 3.1418 / 180 ) * $Radius + $YPos;
+
+         $TopPlots[$Key][] = $TopX; 
+         $TopPlots[$Key][] = $TopY;
+        }
+
+       $TopPlots[$Key][] = $XPos;
+       $TopPlots[$Key][] = $YPos;
+
+       $Angle = $iAngle;
+      }
+     $PolyPlots = $TopPlots;
+
+     /* Set array values type to float --- PHP Bug with imagefilledpolygon casting to integer */
+     foreach ($TopPlots as $Key => $Value)
+      { foreach ($TopPlots[$Key] as $Key2 => $Value2) { settype($TopPlots[$Key][$Key2],"float"); } }
+
+     /* Draw Top polygons */
+     foreach ($PolyPlots as $Key => $Value)
+      { 
+       $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
+       imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);
+      }
+
+     $this->drawCircle($XPos-.5,$YPos-.5,$Radius,$R,$G,$B);
+     $this->drawCircle($XPos-.5,$YPos-.5,$Radius+.5,$R,$G,$B);
+
+     /* Draw Top polygons */
+     foreach ($TopPlots as $Key => $Value)
+      { 
+       for($j=0;$j<=count($TopPlots[$Key])-4;$j=$j+2)
+        $this->drawLine($TopPlots[$Key][$j],$TopPlots[$Key][$j+1],$TopPlots[$Key][$j+2],$TopPlots[$Key][$j+3],$R,$G,$B);
+      }
+    }
+
+   function drawFlatPieGraphWithShadow($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals=0)
+    {
+     $this->drawFlatPieGraph($Data,$DataDescription,$XPos+$this->ShadowXDistance,$YPos+$this->ShadowYDistance,$Radius,PIE_NOLABEL,$SpliceDistance,$Decimals,TRUE);
+     $this->drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius,$DrawLabels,$SpliceDistance,$Decimals,FALSE);
+    }
+
+   /* This function draw a flat pie chart */
+   function drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals=0,$AllBlack=FALSE,$specialLabels=false)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawFlatPieGraph",$DataDescription,FALSE);
+     $this->validateData("drawFlatPieGraph",$Data);
+
+     $ShadowStatus = $this->ShadowActive ; $this->ShadowActive = FALSE;
+
+     /* Determine pie sum */
+     $Series = 0; $PieSum = 0;
+	 if($DataDescription != null){
+		 foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+		  {
+		   if ( $ColName != $DataDescription["Position"] )
+			{
+			 $Series++;
+			 foreach ( $Data as $Key => $Values )
+			  {
+			   if ( isset($Data[$Key][$ColName]))
+				$PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];
+			  }
+			}
+		  }
+	  }
+
+     /* Validate serie */
+     if ( $Series != 1 )
+      {
+       //RaiseFatal("Pie chart can only accept one serie of data.");
+       return;
+      }
+
+     $SpliceRatio   = ($PieSum == 0) ? 360 : (360 / $PieSum);
+     $SplicePercent = ($PieSum == 0) ? 100 : (100 / $PieSum);
+	 
+	 // obrnemo vrstni red
+	 //$iValues = array_reverse($iValues);
+	 //$iLabels = array_reverse($iLabels); 
+	 
+     /* Calculate all polygons */
+     $Angle = 0; $TopPlots = array();
+	 $lineAngle = -1;
+
+     foreach($iValues as $Key => $Value)
+      {
+       $XOffset = cos(($Angle+($Value/2*$SpliceRatio)) * 3.1418 / 180 ) * $SpliceDistance;
+       $YOffset = sin(($Angle+($Value/2*$SpliceRatio)) * 3.1418 / 180 ) * $SpliceDistance;
+
+       $TopPlots[$Key][] = round($XPos + $XOffset);
+       $TopPlots[$Key][] = round($YPos + $YOffset);
+
+       if ( $AllBlack )
+        { $Rc = $this->ShadowRColor; $Gc = $this->ShadowGColor; $Bc = $this->ShadowBColor; }
+       else
+        { $Rc = $this->Palette[$Key]["R"]; $Gc = $this->Palette[$Key]["G"]; $Bc = $this->Palette[$Key]["B"]; }
+
+       $XLineLast = ""; $YLineLast = "";
+
+       /* Process labels position & size */
+       $Caption = "";
+       if ( !($DrawLabels == PIE_NOLABEL) )
+        {
+		 // skrcimo text na max dolzino
+		 if(strlen($iLabels[$Key]) > 40){
+			$iLabels[$Key] = $this->snippet($iLabels[$Key], 40);
+		 }	 
+		
+         $TAngle   = $Angle+($Value*$SpliceRatio/2);
+		 $result = round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals);
+		 
+         if ($DrawLabels == PIE_PERCENTAGE)
+          $Caption  = (round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
+         elseif ($DrawLabels == PIE_LABELS)
+          $Caption  = $iLabels[$Key];
+         elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
+          $Caption  = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
+		 elseif ( ($DrawLabels == 'custom' || $DrawLabels == 'custom_sort') && $result > 4)
+          $Caption  = $iLabels[$Key]." (".(round($Value * pow(10,$Decimals))/pow(10,$Decimals)).")";
+		 elseif ( ($DrawLabels == 'custom_percent' || $DrawLabels == 'custom_percent_sort') && $result > 4)
+          $Caption  = $iLabels[$Key]." (".$result."%)";
+
+         $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
+         $TextWidth  = $Position[2]-$Position[0];
+         $TextHeight = abs($Position[1])+abs($Position[3]);
+
+         $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance) + $XPos;
+
+         if ( $TAngle > 0 && $TAngle < 180 )
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance) + $YPos + $this->FontSize;
+         else
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+$SpliceDistance+4) + $YPos - ($TextHeight/2);
+
+         if ( $TAngle > 90 && $TAngle < 270 )
+          $TX = $TX - $TextWidth;
+
+         $C_TextColor = $this->AllocateColor($this->Picture,0,0,0);
+         imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
+		 
+			
+			// Dodatne labele s crto (pod 4%)
+			if (($DrawLabels == 'custom_percent_sort' || $DrawLabels == 'custom_sort') && $result <= 4){
+				$Caption  = ($DrawLabels == 'custom_percent_sort') ? $iLabels[$Key]." (".$result."%)" : $iLabels[$Key]." (".(round($Value * pow(10,$Decimals))/pow(10,$Decimals)).")";
+
+				// ZACETEK POSEVNE CRTE
+				$TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+$SpliceDistance) + $XPos;
+				
+				if ( $TAngle > 0 && $TAngle < 180 )
+					$TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+$SpliceDistance) + $YPos + 4;
+				else
+					$TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+$SpliceDistance) + $YPos - ($TextHeight/2);
+				
+				if ( $TAngle > 90 && $TAngle < 270 )
+					$TX = $TX - $TextWidth;
+
+				// IZRACUN NAKLONA CRTE
+				//$lineAngle = ($lineAngle == -1) ? 50+$TAngle : $lineAngle-13;
+				/*if($lineAngle == -1)
+					$lineAngle = (abs(sin($TAngle)) > 0.2) ? -$TAngle - 13 : -$TAngle;
+				else
+					$lineAngle -= 13;
+
+				$length = 10 + abs(sin(($lineAngle) * 3.1418 / 180)) * 60;
+
+				//KONEC POSEVNE CRTE
+				$PosX = cos(($lineAngle) * 3.1418 / 180 ) * $length + $TX;
+				$PosY = $TY - 4 - sin(($lineAngle) * 3.1418 / 180 ) * $length;*/
+				
+				$scaling = round($Radius / 95);
+				
+				$length = 40*$scaling;
+				$PosX = $length + $TX;
+				$PosY = ($TY-$globalY > 58*$scaling) ? $TY-(40*$scaling) : $globalY+(18*$scaling);
+				
+				//IZRIS POSEVNE CRTE
+				$this->drawLine($TX,$TY,$PosX,$PosY,$Rc,$Gc,$Bc);
+				
+				//VODORAVNA CRTA
+				$TX = $PosX + 10;
+				$TY = $PosY;		
+				$this->drawLine($PosX,$PosY,$TX,$TY,$Rc,$Gc,$Bc);
+				
+				$TX += 4;
+				$TY += $this->FontSize / 2;
+			
+				$C_TextColor = $this->AllocateColor($this->Picture,0,0,0);
+				imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
+				
+				$globalY = $PosY;
+			}
+			// nastavimo visino prejsnje labele
+			else
+				$globalY = $TY;
+        }
+
+       /* Process pie slices */
+       if ( !$AllBlack )
+        $LineColor = $this->AllocateColor($this->Picture,$Rc,$Gc,$Bc);
+       else
+        $LineColor = $this->AllocateColor($this->Picture,$Rc,$Gc,$Bc);
+
+       $XLineLast = ""; $YLineLast = "";
+       for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
+        {
+         $PosX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos + $XOffset;
+         $PosY = sin($iAngle * 3.1418 / 180 ) * $Radius + $YPos + $YOffset;
+
+         $TopPlots[$Key][] = round($PosX); $TopPlots[$Key][] = round($PosY);
+
+         if ( $iAngle == $Angle || $iAngle == $Angle+$Value*$SpliceRatio || $iAngle +.5 > $Angle+$Value*$SpliceRatio)
+          $this->drawLine($XPos+$XOffset,$YPos+$YOffset,$PosX,$PosY,$Rc,$Gc,$Bc);
+
+         if ( $XLineLast != "" )
+          $this->drawLine($XLineLast,$YLineLast,$PosX,$PosY,$Rc,$Gc,$Bc);
+
+         $XLineLast = $PosX; $YLineLast = $PosY;
+        }
+
+       $TopPlots[$Key][] = round($XPos + $XOffset);  $TopPlots[$Key][] = round($YPos + $YOffset);
+
+       $Angle = $iAngle;
+      }
+     $PolyPlots = $TopPlots;
+
+     /* Draw Top polygons */
+     foreach ($PolyPlots as $Key => $Value)
+      { 
+       if ( !$AllBlack )
+        $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
+       else
+        $C_GraphLo = $this->AllocateColor($this->Picture,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor);
+
+       imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);
+      }
+     $this->ShadowActive = $ShadowStatus;
+    }
+
+   /* This function draw a pseudo-3D pie chart */
+   function drawPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0, $roundText=30)
+    {
+     /* Validate the Data and DataDescription array */
+     $this->validateDataDescription("drawPieGraph",$DataDescription,FALSE);
+     $this->validateData("drawPieGraph",$Data);
+
+     /* Determine pie sum */
+     $Series = 0; $PieSum = 0; $rPieSum = 0;
+     foreach ( $DataDescription["Values"] as $Key2 => $ColName )
+      {
+       if ( $ColName != $DataDescription["Position"] )
+        {
+         $Series++;
+         foreach ( $Data as $Key => $Values )
+          if ( isset($Data[$Key][$ColName]))
+           {
+            if ( $Data[$Key][$ColName] == 0 )
+             { $iValues[] = 0; $rValues[] = 0; $iLabels[] = $Data[$Key][$DataDescription["Position"]]; }
+              // Removed : $PieSum++; $rValues[] = 1;
+            else
+             { $PieSum += $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]]; $rValues[] = $Data[$Key][$ColName]; $rPieSum += $Data[$Key][$ColName];}
+           }
+        }
+      }
+
+     /* Validate serie */
+     if ( $Series != 1 ){
+      //RaiseFatal("Pie chart can only accept one serie of data.");
+	  return;
+	 }
+
+     $SpliceDistanceRatio = $SpliceDistance;
+     $SkewHeight          = ($Radius * $Skew) / 100;
+     $SpliceRatio         = (360 - $SpliceDistanceRatio * count($iValues) ) / $PieSum;
+     $SplicePercent       = 100 / $PieSum;
+     $rSplicePercent      = 100 / $rPieSum;
+
+     /* Calculate all polygons */
+     $Angle    = 0; $CDev = 5;
+     $TopPlots = array(); $BotPlots = array();
+     $aTopPlots = array(); $aBotPlots = array();
+     foreach($iValues as $Key => $Value)
+      {
+       $XCenterPos = cos(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;
+       $YCenterPos = sin(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;
+       $XCenterPos2 = cos(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;
+       $YCenterPos2 = sin(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;
+
+       $TopPlots[$Key][] = round($XCenterPos); $BotPlots[$Key][] = round($XCenterPos);
+       $TopPlots[$Key][] = round($YCenterPos); $BotPlots[$Key][] = round($YCenterPos + $SpliceHeight);
+       $aTopPlots[$Key][] = $XCenterPos; $aBotPlots[$Key][] = $XCenterPos;
+       $aTopPlots[$Key][] = $YCenterPos; $aBotPlots[$Key][] = $YCenterPos + $SpliceHeight;
+
+       /* Process labels position & size */
+       $Caption = "";
+       if ( !($DrawLabels == PIE_NOLABEL) )
+        {
+		 
+		 // skrcimo text na max dolzino
+		 if(strlen($iLabels[$Key]) > 40){
+			$iLabels[$Key] = $this->snippet($iLabels[$Key], 40);
+		 }	 
+		
+         $TAngle = $Angle+($Value*$SpliceRatio/2);
+		 $result = round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals);
+		 
+         if ($DrawLabels == PIE_PERCENTAGE)
+          $Caption  = (round($rValues[$Key] * pow(10,$Decimals) * $rSplicePercent)/pow(10,$Decimals))."%";
+         elseif ($DrawLabels == PIE_LABELS)
+          $Caption  = $iLabels[$Key];
+         elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
+          $Caption  = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
+		 elseif ( ($DrawLabels == 'custom' || $DrawLabels == 'custom_sort') && $result > 4)
+          $Caption  = $iLabels[$Key]." (".(round($Value * pow(10,$Decimals))/pow(10,$Decimals)).")";
+		 elseif ( ($DrawLabels == 'custom_percent' || $DrawLabels == 'custom_percent_sort') && $result > 4)
+          $Caption  = $iLabels[$Key]." (".$result."%)";
+		  
+		  $Caption = $this->snippet($Caption,$roundText);
+
+         $Position   = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
+         $TextWidth  = $Position[2]-$Position[0];
+         $TextHeight = abs($Position[1])+abs($Position[3]);
+
+         $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius + 10)+ $XPos;
+
+         if ( $TAngle > 0 && $TAngle < 180 )
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 10) + $YPos + $SpliceHeight + $this->FontSize;
+         else
+          $TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 4) + $YPos - ($TextHeight/2);
+
+         if ( $TAngle > 90 && $TAngle < 270 )
+          $TX = $TX - $TextWidth;
+
+         $C_TextColor = $this->AllocateColor($this->Picture,20,20,20);
+         imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
+        }
+
+       /* Process pie slices */
+       for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
+        {
+         $TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;
+         $TopY = sin($iAngle * 3.1418 / 180 ) * $SkewHeight + $YPos;
+
+         $TopPlots[$Key][] = round($TopX); $BotPlots[$Key][] = round($TopX);
+         $TopPlots[$Key][] = round($TopY); $BotPlots[$Key][] = round($TopY + $SpliceHeight);
+         $aTopPlots[$Key][] = $TopX; $aBotPlots[$Key][] = $TopX;
+         $aTopPlots[$Key][] = $TopY; $aBotPlots[$Key][] = $TopY + $SpliceHeight;
+        }
+
+       $TopPlots[$Key][] = round($XCenterPos2); $BotPlots[$Key][] = round($XCenterPos2);
+       $TopPlots[$Key][] = round($YCenterPos2); $BotPlots[$Key][] = round($YCenterPos2 + $SpliceHeight);
+       $aTopPlots[$Key][] = $XCenterPos2; $aBotPlots[$Key][] = $XCenterPos2;
+       $aTopPlots[$Key][] = $YCenterPos2; $aBotPlots[$Key][] = $YCenterPos2 + $SpliceHeight;
+
+       $Angle = $iAngle + $SpliceDistanceRatio;
+      }
+
+     /* Draw Bottom polygons */
+     foreach($iValues as $Key => $Value)
+      {
+       $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-20);
+       imagefilledpolygon($this->Picture,$BotPlots[$Key],(count($BotPlots[$Key])+1)/2,$C_GraphLo);
+
+       if ( $EnhanceColors ) { $En = -10; } else { $En = 0; }
+ 
+       for($j=0;$j<=count($aBotPlots[$Key])-4;$j=$j+2)
+        $this->drawLine($aBotPlots[$Key][$j],$aBotPlots[$Key][$j+1],$aBotPlots[$Key][$j+2],$aBotPlots[$Key][$j+3],$this->Palette[$Key]["R"]+$En,$this->Palette[$Key]["G"]+$En,$this->Palette[$Key]["B"]+$En);
+      }
+
+     /* Draw pie layers */
+     if ( $EnhanceColors ) { $ColorRatio = 30 / $SpliceHeight; } else { $ColorRatio = 25 / $SpliceHeight; }
+     for($i=$SpliceHeight-1;$i>=1;$i--)
+      {
+       foreach($iValues as $Key => $Value)
+        {
+         $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-10);
+         $Plots = array(); $Plot = 0;
+         foreach($TopPlots[$Key] as $Key2 => $Value2)
+          {
+           $Plot++;
+           if ( $Plot % 2 == 1 )
+            $Plots[] = $Value2;
+           else
+            $Plots[] = $Value2+$i;
+          }
+         imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_GraphLo);
+
+         $Index       = count($Plots);
+         if ($EnhanceColors ) {$ColorFactor = -20 + ($SpliceHeight - $i) * $ColorRatio; } else { $ColorFactor = 0; }
+
+         $this->drawAntialiasPixel($Plots[0],$Plots[1],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
+         $this->drawAntialiasPixel($Plots[2],$Plots[3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
+         $this->drawAntialiasPixel($Plots[$Index-4],$Plots[$Index-3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
+        }
+      }
+
+     /* Draw Top polygons */
+     for($Key=count($iValues)-1;$Key>=0;$Key--)
+      { 
+       $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
+       imagefilledpolygon($this->Picture,$TopPlots[$Key],(count($TopPlots[$Key])+1)/2,$C_GraphLo);
+
+       if ( $EnhanceColors ) { $En = 10; } else { $En = 0; }
+       for($j=0;$j<=count($aTopPlots[$Key])-4;$j=$j+2)
+        $this->drawLine($aTopPlots[$Key][$j],$aTopPlots[$Key][$j+1],$aTopPlots[$Key][$j+2],$aTopPlots[$Key][$j+3],$this->Palette[$Key]["R"]+$En,$this->Palette[$Key]["G"]+$En,$this->Palette[$Key]["B"]+$En);
+      }
+    }
+
+   /* This function can be used to set the background color */
+   function drawBackground($R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
+     imagefilledrectangle($this->Picture,0,0,$this->XSize,$this->YSize,$C_Background);
+    }
+
+   /* This function can be used to set the background color */
+   function drawGraphAreaGradient($R,$G,$B,$Decay,$Target=TARGET_GRAPHAREA)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     if ( $Target == TARGET_GRAPHAREA )  { $X1 = $this->GArea_X1+1; $X2 = $this->GArea_X2-1; $Y1 = $this->GArea_Y1+1; $Y2 = $this->GArea_Y2; }
+     if ( $Target == TARGET_BACKGROUND ) { $X1 = 0; $X2 = $this->XSize; $Y1 = 0; $Y2 = $this->YSize; }
+
+     /* Positive gradient */
+     if ( $Decay > 0 )
+      {
+       $YStep = ($Y2 - $Y1 - 2) / $Decay;
+       for($i=0;$i<=$Decay;$i++)
+        {
+         $R-=1;$G-=1;$B-=1;
+         $Yi1 = $Y1 + ( $i * $YStep );
+         $Yi2 = ceil( $Yi1 + ( $i * $YStep ) + $YStep );
+         if ( $Yi2 >= $Yi2 ) { $Yi2 = $Y2-1; }
+
+         $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
+         imagefilledrectangle($this->Picture,$X1,$Yi1,$X2,$Yi2,$C_Background);
+        }
+      }
+
+     /* Negative gradient */
+     if ( $Decay < 0 )
+      {
+       $YStep = ($Y2 - $Y1 - 2) / -$Decay;
+       $Yi1   = $Y1; $Yi2   = $Y1+$YStep;
+       for($i=-$Decay;$i>=0;$i--)
+        {
+         $R+=1;$G+=1;$B+=1;
+         $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
+         imagefilledrectangle($this->Picture,$X1,$Yi1,$X2,$Yi2,$C_Background);
+
+         $Yi1+= $YStep;
+         $Yi2+= $YStep;
+         if ( $Yi2 >= $Yi2 ) { $Yi2 = $Y2-1; }
+        }
+      }
+    }
+
+   /* This function create a rectangle with antialias */
+   function drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $X1=$X1-.2;$Y1=$Y1-.2;
+     $X2=$X2+.2;$Y2=$Y2+.2;
+     $this->drawLine($X1,$Y1,$X2,$Y1,$R,$G,$B);
+     $this->drawLine($X2,$Y1,$X2,$Y2,$R,$G,$B);
+     $this->drawLine($X2,$Y2,$X1,$Y2,$R,$G,$B);
+     $this->drawLine($X1,$Y2,$X1,$Y1,$R,$G,$B);
+    }
+
+   /* This function create a filled rectangle with antialias */
+   function drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$Alpha=100,$NoFallBack=FALSE)
+    {
+     if ( $X2 < $X1 ) { list($X1, $X2) = array($X2, $X1); }
+     if ( $Y2 < $Y1 ) { list($Y1, $Y2) = array($Y2, $Y1); }
+
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     if ( $Alpha == 100 )
+      {
+       /* Process shadows - Preskakujemo zaradi optimizacije */
+       /*if ( $this->ShadowActive && !$NoFallBack )
+        {
+         $this->drawFilledRectangle($X1+$this->ShadowXDistance,$Y1+$this->ShadowYDistance,$X2+$this->ShadowXDistance,$Y2+$this->ShadowYDistance,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha,TRUE);
+         if ( $this->ShadowBlur != 0 )
+          {
+           $AlphaDecay = ($this->ShadowAlpha / $this->ShadowBlur);
+
+           for($i=1; $i<=$this->ShadowBlur; $i++)
+            $this->drawFilledRectangle($X1+$this->ShadowXDistance-$i/2,$Y1+$this->ShadowYDistance-$i/2,$X2+$this->ShadowXDistance-$i/2,$Y2+$this->ShadowYDistance-$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
+           for($i=1; $i<=$this->ShadowBlur; $i++)
+            $this->drawFilledRectangle($X1+$this->ShadowXDistance+$i/2,$Y1+$this->ShadowYDistance+$i/2,$X2+$this->ShadowXDistance+$i/2,$Y2+$this->ShadowYDistance+$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
+          }
+        }*/
+
+       $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
+       imagefilledrectangle($this->Picture,round($X1),round($Y1),round($X2),round($Y2),$C_Rectangle);
+      }
+     else
+      {
+       $LayerWidth  = abs($X2-$X1)+2;
+       $LayerHeight = abs($Y2-$Y1)+2;
+
+       $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
+       $C_White         = $this->AllocateColor($this->Layers[0],255,255,255);
+       imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
+       imagecolortransparent($this->Layers[0],$C_White);
+
+       $C_Rectangle = $this->AllocateColor($this->Layers[0],$R,$G,$B);
+       imagefilledrectangle($this->Layers[0],round(1),round(1),round($LayerWidth-1),round($LayerHeight-1),$C_Rectangle);
+
+       imagecopymerge($this->Picture,$this->Layers[0],round(min($X1,$X2)-1),round(min($Y1,$Y2)-1),0,0,$LayerWidth,$LayerHeight,$Alpha);
+       imagedestroy($this->Layers[0]);
+      }
+
+     if ( $DrawBorder )
+      {
+       $ShadowSettings = $this->ShadowActive; $this->ShadowActive = FALSE;
+       $this->drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B);
+       $this->ShadowActive = $ShadowSettings;
+      }
+    }
+
+   /* This function create a rectangle with rounded corners and antialias */
+   function drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $Step = 90 / ((3.1418 * $Radius)/2);
+
+     for($i=0;$i<=90;$i=$i+$Step)
+      {
+       $X = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;
+       $Y = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;
+       $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+
+       $X = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;
+       $Y = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;
+       $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+
+       $X = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;
+       $Y = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;
+       $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+
+       $X = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;
+       $Y = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;
+       $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+      }
+
+     $X1=$X1-.2;$Y1=$Y1-.2;
+     $X2=$X2+.2;$Y2=$Y2+.2;
+     $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);
+     $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);
+     $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);
+     $this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);
+    }
+
+   /* This function create a filled rectangle with rounded corners and antialias */
+   function drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
+
+     $Step = 90 / ((3.1418 * $Radius)/2);
+
+     for($i=0;$i<=90;$i=$i+$Step)
+      {
+       $Xi1 = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;
+       $Yi1 = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;
+
+       $Xi2 = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;
+       $Yi2 = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;
+
+       $Xi3 = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;
+       $Yi3 = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;
+
+       $Xi4 = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;
+       $Yi4 = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;
+
+       imageline($this->Picture,$Xi1,$Yi1,$X1+$Radius,$Yi1,$C_Rectangle);
+       imageline($this->Picture,$X2-$Radius,$Yi2,$Xi2,$Yi2,$C_Rectangle);
+       imageline($this->Picture,$X2-$Radius,$Yi3,$Xi3,$Yi3,$C_Rectangle);
+       imageline($this->Picture,$Xi4,$Yi4,$X1+$Radius,$Yi4,$C_Rectangle);
+
+       $this->drawAntialiasPixel($Xi1,$Yi1,$R,$G,$B);
+       $this->drawAntialiasPixel($Xi2,$Yi2,$R,$G,$B);
+       $this->drawAntialiasPixel($Xi3,$Yi3,$R,$G,$B);
+       $this->drawAntialiasPixel($Xi4,$Yi4,$R,$G,$B);
+      }
+
+     imagefilledrectangle($this->Picture,$X1,$Y1+$Radius,$X2,$Y2-$Radius,$C_Rectangle);
+     imagefilledrectangle($this->Picture,$X1+$Radius,$Y1,$X2-$Radius,$Y2,$C_Rectangle);
+
+     $X1=$X1-.2;$Y1=$Y1-.2;
+     $X2=$X2+.2;$Y2=$Y2+.2;
+     $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);
+     $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);
+     $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);
+     $this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);
+    }
+
+   /* This function create a circle with antialias */
+   function drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
+    {
+     if ( $Width == 0 ) { $Width = $Height; }
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Circle = $this->AllocateColor($this->Picture,$R,$G,$B);
+     $Step     = 360 / (2 * 3.1418 * max($Width,$Height));
+
+     for($i=0;$i<=360;$i=$i+$Step)
+      {
+       $X = cos($i*3.1418/180) * $Height + $Xc;
+       $Y = sin($i*3.1418/180) * $Width + $Yc;
+       $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+      }
+    }
+
+   /* This function create a filled circle/ellipse with antialias */
+   function drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
+    {
+     if ( $Width == 0 ) { $Width = $Height; }
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $C_Circle = $this->AllocateColor($this->Picture,$R,$G,$B);
+     $Step     = 360 / (2 * 3.1418 * max($Width,$Height));
+
+     for($i=90;$i<=270;$i=$i+$Step)
+      {
+       $X1 = cos($i*3.1418/180) * $Height + $Xc;
+       $Y1 = sin($i*3.1418/180) * $Width + $Yc;
+       $X2 = cos((180-$i)*3.1418/180) * $Height + $Xc;
+       $Y2 = sin((180-$i)*3.1418/180) * $Width + $Yc;
+
+       $this->drawAntialiasPixel($X1-1,$Y1-1,$R,$G,$B);
+       $this->drawAntialiasPixel($X2-1,$Y2-1,$R,$G,$B);
+
+       if ( ($Y1-1) > $Yc - max($Width,$Height) )
+        imageline($this->Picture,$X1,$Y1-1,$X2-1,$Y2-1,$C_Circle);
+      }
+    }
+
+   /* This function will draw a filled ellipse */
+   function drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
+    { $this->drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }
+
+   /* This function will draw an ellipse */
+   function drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
+    { $this->drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }
+
+   /* This function create a line with antialias */
+   function drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE)
+    {
+     if ( $this->LineDotSize > 1 ) { $this->drawDottedLine($X1,$Y1,$X2,$Y2,$this->LineDotSize,$R,$G,$B,$GraphFunction); return(0); }
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));  
+     if ( $Distance == 0 )
+      return(-1);
+     $XStep = ($X2-$X1) / $Distance;
+     $YStep = ($Y2-$Y1) / $Distance;
+
+     for($i=0;$i<=$Distance;$i++)
+      {
+       $X = $i * $XStep + $X1;
+       $Y = $i * $YStep + $Y1;
+
+       if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction )
+        {
+         if ( $this->LineWidth == 1 )
+          $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+         else
+          {
+           $StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);
+           if(($X1 <= $X2 && $Y1 >= $Y2) || ($X1 >= $X2 && $Y1 <= $Y2)){
+			   for($j=$StartOffset;$j<=$EndOffset;$j++)
+				$this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);
+		   }
+		   else{
+			   for($j=$StartOffset;$j<=$EndOffset;$j++)
+				$this->drawAntialiasPixel($X+$j,$Y-$j,$R,$G,$B);
+		   }
+		  }
+        }
+      }
+    }
+
+   /* This function create a line with antialias */
+   function drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B,$GraphFunction=FALSE)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));  
+
+     $XStep = ($X2-$X1) / $Distance;
+     $YStep = ($Y2-$Y1) / $Distance;
+
+     $DotIndex = 0;
+     for($i=0;$i<=$Distance;$i++)
+      {
+       $X = $i * $XStep + $X1;
+       $Y = $i * $YStep + $Y1;
+
+       if ( $DotIndex <= $DotSize)
+        {
+         if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction )
+          {
+           if ( $this->LineWidth == 1 )
+            $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
+           else
+            {
+             $StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);
+             for($j=$StartOffset;$j<=$EndOffset;$j++)
+              $this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);
+            }
+          }
+        }
+
+       $DotIndex++;
+       if ( $DotIndex == $DotSize * 2 )
+        $DotIndex = 0;        
+      }
+    }
+
+   /* Load a PNG file and draw it over the chart */
+   function drawFromPNG($FileName,$X,$Y,$Alpha=100)
+    { $this->drawFromPicture(1,$FileName,$X,$Y,$Alpha); }
+
+   /* Load a GIF file and draw it over the chart */
+   function drawFromGIF($FileName,$X,$Y,$Alpha=100)
+    { $this->drawFromPicture(2,$FileName,$X,$Y,$Alpha); }
+
+   /* Load a JPEG file and draw it over the chart */
+   function drawFromJPG($FileName,$X,$Y,$Alpha=100)
+    { $this->drawFromPicture(3,$FileName,$X,$Y,$Alpha); }
+
+   /* Generic loader function for external pictures */
+   function drawFromPicture($PicType,$FileName,$X,$Y,$Alpha=100)
+    {
+     if ( file_exists($FileName))
+      {
+       $Infos  = getimagesize($FileName);
+       $Width  = $Infos[0];
+       $Height = $Infos[1];
+       if ( $PicType == 1 ) { $Raster = imagecreatefrompng($FileName); }
+       if ( $PicType == 2 ) { $Raster = imagecreatefromgif($FileName); }
+       if ( $PicType == 3 ) { $Raster = imagecreatefromjpeg($FileName); }
+
+       imagecopymerge($this->Picture,$Raster,$X,$Y,0,0,$Width,$Height,$Alpha);
+       imagedestroy($Raster);
+      }
+    }
+
+   /* Draw an alpha pixel */
+   function drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     if ( $X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize )
+      return(-1);
+
+     $RGB2 = imagecolorat($this->Picture, $X, $Y);
+     $R2   = ($RGB2 >> 16) & 0xFF;
+     $G2   = ($RGB2 >> 8) & 0xFF;
+     $B2   = $RGB2 & 0xFF;
+
+     $iAlpha = (100 - $Alpha)/100;
+     $Alpha  = $Alpha / 100;
+
+     $Ra   = floor($R*$Alpha+$R2*$iAlpha);
+     $Ga   = floor($G*$Alpha+$G2*$iAlpha);
+     $Ba   = floor($B*$Alpha+$B2*$iAlpha);
+
+     $C_Aliased = $this->AllocateColor($this->Picture,$Ra,$Ga,$Ba);
+     imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
+    }
+
+   /* Color helper */
+   function AllocateColor($Picture,$R,$G,$B,$Factor=0)
+    {
+     $R = $R + $Factor;
+     $G = $G + $Factor;
+     $B = $B + $Factor;
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     return(imagecolorallocate($Picture,$R,$G,$B));
+    }
+
+   /* Add a border to the picture */
+   function addBorder($Size=3,$R=0,$G=0,$B=0)
+    {
+     $Width  = $this->XSize+2*$Size;
+     $Height = $this->YSize+2*$Size;
+
+     $Resampled    = imagecreatetruecolor($Width,$Height);
+     $C_Background = $this->AllocateColor($Resampled,$R,$G,$B);
+     imagefilledrectangle($Resampled,0,0,$Width,$Height,$C_Background);
+
+     imagecopy($Resampled,$this->Picture,$Size,$Size,0,0,$this->XSize,$this->YSize);
+     imagedestroy($this->Picture);
+
+     $this->XSize = $Width;
+     $this->YSize = $Height;
+
+     $this->Picture = imagecreatetruecolor($this->XSize,$this->YSize);
+     $C_White = $this->AllocateColor($this->Picture,255,255,255);
+     imagefilledrectangle($this->Picture,0,0,$this->XSize,$this->YSize,$C_White);
+     imagecolortransparent($this->Picture,$C_White);
+     imagecopy($this->Picture,$Resampled,0,0,0,0,$this->XSize,$this->YSize);
+    }
+
+   /* Render the current picture to a file */
+   function Render($FileName)
+    {
+     if ( $this->ErrorReporting )
+      $this->printErrors($this->ErrorInterface);
+
+     /* Save image map if requested */
+     if ( $this->BuildMap )
+      $this->SaveImageMap();
+
+     imagepng($this->Picture,$FileName);
+    }
+
+   /* Render the current picture to STDOUT */
+   function Stroke()
+    {
+     if ( $this->ErrorReporting )
+      $this->printErrors("GD");
+
+     /* Save image map if requested */
+     if ( $this->BuildMap )
+      $this->SaveImageMap();
+
+     header('Content-type: image/png');
+     imagepng($this->Picture);
+    }
+
+   /* Private functions for internal processing */
+   function drawAntialiasPixel($X,$Y,$R,$G,$B,$Alpha=100,$NoFallBack=FALSE)
+    {
+     /* Process shadows - Preskakujemo zaradi optimizacije*/
+     /*if ( $this->ShadowActive && !$NoFallBack )
+      {
+       $this->drawAntialiasPixel($X+$this->ShadowXDistance,$Y+$this->ShadowYDistance,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha,TRUE);
+       if ( $this->ShadowBlur != 0 )
+        {
+         $AlphaDecay = ($this->ShadowAlpha / $this->ShadowBlur);
+
+         for($i=1; $i<=$this->ShadowBlur; $i++)
+          $this->drawAntialiasPixel($X+$this->ShadowXDistance-$i/2,$Y+$this->ShadowYDistance-$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
+         for($i=1; $i<=$this->ShadowBlur; $i++)
+          $this->drawAntialiasPixel($X+$this->ShadowXDistance+$i/2,$Y+$this->ShadowYDistance+$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
+        }
+      }*/
+
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $Plot = "";
+     $Xi   = floor($X);
+     $Yi   = floor($Y);
+
+	  // Pri pie in radarju nastavimo aa ker zgleda drugace slabo
+	  if($this->UseAntialias){
+		 if ($Xi == $X && $Yi == $Y)
+		  {
+		   if ( $Alpha == 100 )
+			{
+			 $C_Aliased = $this->AllocateColor($this->Picture,$R,$G,$B);
+			 imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
+			}
+		   else
+			$this->drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B);
+		  }
+		 else
+		  {
+			$Alpha1 = (((1 - ($X - floor($X))) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
+			if ( $Alpha1 > $this->AntialiasQuality ){ 
+				$this->drawAlphaPixel($Xi,$Yi,$Alpha1,$R,$G,$B); 
+			}
+
+			$Alpha2 = ((($X - floor($X)) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
+			if ( $Alpha2 > $this->AntialiasQuality ){ 
+				$this->drawAlphaPixel($Xi+1,$Yi,$Alpha2,$R,$G,$B); 
+			}
+			   
+			$Alpha3 = (((1 - ($X - floor($X))) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
+			if ( $Alpha3 > $this->AntialiasQuality ){ 
+				$this->drawAlphaPixel($Xi,$Yi+1,$Alpha3,$R,$G,$B); 
+			}
+
+			$Alpha4 = ((($X - floor($X)) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
+			if ( $Alpha4 > $this->AntialiasQuality ){ 
+				$this->drawAlphaPixel($Xi+1,$Yi+1,$Alpha4,$R,$G,$B); 
+			}   
+		  }
+	  }
+	  else{
+	   if ( $Alpha == 100 )
+		{
+		 $C_Aliased = $this->AllocateColor($this->Picture,$R,$G,$B);
+		 imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
+		}
+	   else
+		$this->drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B);
+	  }
+    }
+
+   /* Validate data contained in the description array */
+   function validateDataDescription($FunctionName,&$DataDescription,$DescriptionRequired=TRUE)
+    {
+     if (!isset($DataDescription["Position"]))
+      {
+       $this->Errors[] = "[Warning] ".$FunctionName." - Y Labels are not set.";
+       $DataDescription["Position"] = "Name";
+      }
+
+     if ( $DescriptionRequired )
+      {
+       if (!isset($DataDescription["Description"]))
+        {
+         $this->Errors[] = "[Warning] ".$FunctionName." - Series descriptions are not set.";
+         foreach($DataDescription["Values"] as $key => $Value)
+          {
+           $DataDescription["Description"][$Value] = $Value;
+          }
+        }
+
+       if (count($DataDescription["Description"]) < count($DataDescription["Values"]))
+        {
+         $this->Errors[] = "[Warning] ".$FunctionName." - Some series descriptions are not set.";
+         foreach($DataDescription["Values"] as $key => $Value)
+          {
+           if ( !isset($DataDescription["Description"][$Value]))
+            $DataDescription["Description"][$Value] = $Value;
+          }
+        }
+      }
+    }
+
+   /* Validate data contained in the data array */
+   function validateData($FunctionName,&$Data)
+    {
+     $DataSummary = array();
+
+     foreach($Data as $key => $Values)
+      {
+       foreach($Values as $key2 => $Value)
+        {
+         if (!isset($DataSummary[$key2]))
+          $DataSummary[$key2] = 1;
+         else
+          $DataSummary[$key2]++;
+        }
+      }
+
+     if ( max($DataSummary) == 0 )
+      $this->Errors[] = "[Warning] ".$FunctionName." - No data set.";
+
+     foreach($DataSummary as $key => $Value)
+      {
+       if ($Value < max($DataSummary))
+        {
+         $this->Errors[] = "[Warning] ".$FunctionName." - Missing data in serie ".$key.".";
+        }
+      }
+    }
+
+   /* Print all error messages on the CLI or graphically */
+   function printErrors($Mode="CLI")
+    {
+     if (count($this->Errors) == 0)
+      return(0);
+
+     if ( $Mode == "CLI" )
+      {
+       foreach($this->Errors as $key => $Value)
+        echo $Value."\r\n";
+      }
+     elseif ( $Mode == "GD" )
+      {
+       $this->setLineStyle($Width=1);
+       $MaxWidth = 0;
+       foreach($this->Errors as $key => $Value)
+        {
+         $Position  = imageftbbox($this->ErrorFontSize,0,$this->ErrorFontName,$Value);
+         $TextWidth = $Position[2]-$Position[0];
+         if ( $TextWidth > $MaxWidth ) { $MaxWidth = $TextWidth; }
+        }
+       $this->drawFilledRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,233,185,185);
+       $this->drawRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,193,145,145);
+
+       $C_TextColor = $this->AllocateColor($this->Picture,133,85,85);
+       $YPos        = $this->YSize - (18 + (count($this->Errors)-1) * ($this->ErrorFontSize + 4));
+       foreach($this->Errors as $key => $Value)
+        {
+         imagettftext($this->Picture,$this->ErrorFontSize,0,$this->XSize-($MaxWidth+15),$YPos,$C_TextColor,$this->ErrorFontName,$Value);
+         $YPos = $YPos + ($this->ErrorFontSize + 4);
+        }
+      }
+    }
+
+   /* Activate the image map creation process */
+   function setImageMap($Mode=TRUE,$GraphID="MyGraph")
+    {
+     $this->BuildMap = $Mode;
+     $this->MapID    = $GraphID;
+    }
+
+   /* Add a box into the image map */
+   function addToImageMap($X1,$Y1,$X2,$Y2,$SerieName,$Value,$CallerFunction)
+    {
+     if ( $this->MapFunction == NULL || $this->MapFunction == $CallerFunction )
+      {
+       $this->ImageMap[]  = round($X1).",".round($Y1).",".round($X2).",".round($Y2).",".$SerieName.",".$Value;
+       $this->MapFunction = $CallerFunction;
+      }
+    }
+
+   /* Load and cleanup the image map from disk */
+   function getImageMap($MapName,$Flush=TRUE)
+    {
+     /* Strip HTML query strings */
+     $Values   = $this->tmpFolder.$MapName;
+     $Value    = split("\?",$Values);
+     $FileName = $Value[0];
+
+     if ( file_exists($FileName) )
+      {
+       $Handle     = fopen($FileName, "r");
+       $MapContent = fread($Handle, filesize($FileName));
+       fclose($Handle);
+       echo $MapContent;
+
+       if ( $Flush )
+        unlink($FileName);
+
+       exit();
+      }
+     else
+      {
+       header("HTTP/1.0 404 Not Found");
+       exit();
+      }
+    }
+
+   /* Save the image map to the disk */
+   function SaveImageMap()
+    {
+     if ( !$this->BuildMap ) { return(-1); }
+
+     if ( $this->ImageMap == NULL )
+      {
+       $this->Errors[] = "[Warning] SaveImageMap - Image map is empty.";
+       return(-1);
+      }
+
+     $Handle = fopen($this->tmpFolder.$this->MapID, 'w');
+     if ( !$Handle )
+      {
+       $this->Errors[] = "[Warning] SaveImageMap - Cannot save the image map.";
+       return(-1);
+      }
+     else
+      {
+       foreach($this->ImageMap as $Key => $Value)
+        fwrite($Handle, htmlentities($Value)."\r");
+      }
+     fclose ($Handle);
+    }
+
+   /* Convert seconds to a time format string */
+   function ToTime($Value)
+    {
+     $Hour   = floor($Value/3600);
+     $Minute = floor(($Value - $Hour*3600)/60);
+     $Second = floor($Value - $Hour*3600 - $Minute*60);
+
+     if (strlen($Hour) == 1 )   { $Hour = "0".$Hour; }
+     if (strlen($Minute) == 1 ) { $Minute = "0".$Minute; }
+     if (strlen($Second) == 1 ) { $Second = "0".$Second; }
+
+     return($Hour.":".$Minute.":".$Second);
+    }
+
+   /* Convert to metric system */
+   function ToMetric($Value)
+    {
+     $Go = floor($Value/1000000000);
+     $Mo = floor(($Value - $Go*1000000000)/1000000);
+     $Ko = floor(($Value - $Go*1000000000 - $Mo*1000000)/1000);
+     $o  = floor($Value - $Go*1000000000 - $Mo*1000000 - $Ko*1000);
+
+     if ($Go != 0)   { return($Go.".".$Mo."g"); }
+     if ($Mo != 0)   { return($Mo.".".$ko."m"); }
+     if ($Ko != 0)   { return($Ko.".".$o)."k"; }
+     return($o);
+    }
+
+   /* Convert to curency */
+   function ToCurrency($Value)
+    {
+     $Go = floor($Value/1000000000);
+     $Mo = floor(($Value - $Go*1000000000)/1000000);
+     $Ko = floor(($Value - $Go*1000000000 - $Mo*1000000)/1000);
+     $o  = floor($Value - $Go*1000000000 - $Mo*1000000 - $Ko*1000);
+
+     if ( strlen($o) == 1 ) { $o = "00".$o; }
+     if ( strlen($o) == 2 ) { $o = "0".$o; }
+
+     $ResultString = $o;
+     if ( $Ko != 0 ) { $ResultString = $Ko.".".$ResultString; }
+     if ( $Mo != 0 ) { $ResultString = $Mo.".".$ResultString; }
+     if ( $Go != 0 ) { $ResultString = $Go.".".$ResultString; }
+
+     $ResultString = $this->Currency.$ResultString;
+     return($ResultString);
+    }
+
+   /* Set date format for axis labels */
+   function setDateFormat($Format)
+    {
+     $this->DateFormat = $Format;
+    }
+
+   /* Convert TS to a date format string */
+   function ToDate($Value)
+    {
+     return(date($this->DateFormat,$Value));
+    }
+
+   /* Check if a number is a full integer (for scaling) */
+   function isRealInt($Value)
+    {
+     if ($Value == floor($Value))
+      return(TRUE);
+     return(FALSE);
+    }
+  
+   /* zaokrozimo stevilo $number na $toNearest */
+   function getContrastTextColor($R, $G, $B) {
+
+		// formula za izracun svetlosti barve (255->max svetla, 0->max temna)
+		$bg_brightness = (($R * 299) + ($G * 587) + ($B * 114)) / 1000;
+   
+		if($bg_brightness < 70){
+			$newR = 255;
+			$newG = 255;
+			$newB = 255;
+		}
+		else{
+			$newR = 0;
+			$newG = 0;
+			$newB = 0;
+		}
+		
+		$text_colors = array('R'=>$newR, 'G'=>$newG, 'B'=>$newB);
+		return $text_colors;
+	}
+  
+  /* zaokrozimo stevilo $number na $toNearest */
+	function roundToNearest($number, $toNearest) {
+
+		$retval = 0;
+		$mod = $number % $toNearest;
+		
+		$retval = ($mod > 0) ? $number + ( $toNearest - $mod ) : $number;
+		
+		return $retval;
+	}
+	
+	function setAntialias($use, $quality){
+
+		$this->UseAntialias = TRUE;
+		$this->AntialiasQuality = $quality;		
+    }
+  }
+  
+ function RaiseFatal($Message)
+  {
+   echo "[FATAL] ".$Message."\r\n";
+   exit();
+  }
+?>
+\ No newline at end of file
diff --git a/admin/survey/pChart/classes/class.pData.php b/admin/survey/pChart/classes/class.pData.php
new file mode 100644
index 0000000..c6be3ff
--- /dev/null
+++ b/admin/survey/pChart/classes/class.pData.php
@@ -0,0 +1,304 @@
+<?php
+ /*
+     pData - Simplifying data population for pChart
+     Copyright (C) 2008 Jean-Damien POGOLOTTI
+     Version  1.13 last updated on 08/17/08
+
+     http://pchart.sourceforge.net
+
+     This program is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 1,2,3 of the License, or
+     (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     Class initialisation :
+      pData()
+     Data populating methods :
+      ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
+      AddPoint($Value,$Serie="Serie1",$Description="")
+     Series manipulation methods :
+      AddSerie($SerieName="Serie1")
+      AddAllSeries()
+      RemoveSerie($SerieName="Serie1")
+      SetAbsciseLabelSerie($SerieName = "Name")
+      SetSerieName($Name,$SerieName="Serie1")
+  +   SetSerieSymbol($Name,$Symbol)
+      SetXAxisName($Name="X Axis")
+      SetYAxisName($Name="Y Axis")
+      SetXAxisFormat($Format="number")
+      SetYAxisFormat($Format="number")
+      SetXAxisUnit($Unit="")
+      SetYAxisUnit($Unit="")
+      removeSerieName($SerieName)
+      removeAllSeries()
+     Data retrieval methods :
+      GetData()
+      GetDataDescription()
+ */
+
+ /* pData class definition */
+ class pData
+  {
+   var $Data;
+   var $DataDescription;
+   var $numerus;
+   var $average;
+   var $Other;
+
+   function __construct()
+    {
+     $this->Data                           = array();
+     $this->DataDescription                = array();
+     $this->DataDescription["Position"]    = "Name";
+     $this->DataDescription["Format"]["X"] = "number";
+     $this->DataDescription["Format"]["Y"] = "number";
+     $this->DataDescription["Unit"]["X"]   = NULL;
+     $this->DataDescription["Unit"]["Y"]   = NULL;
+	 $this->numerus 					   = 0;
+	 $this->average 					   = 0;
+	 $this->Other 						   = "";
+    }
+
+   function ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
+    {
+     $handle = @fopen($FileName,"r");
+     if ($handle)
+      {
+       $HeaderParsed = FALSE;
+       while (!feof($handle))
+        {
+         $buffer = fgets($handle, 4096);
+         $buffer = str_replace(chr(10),"",$buffer);
+         $buffer = str_replace(chr(13),"",$buffer);
+         $Values = split($Delimiter,$buffer);
+
+         if ( $buffer != "" )
+          {
+           if ( $HasHeader == TRUE && $HeaderParsed == FALSE )
+            {
+             if ( $DataColumns == -1 )
+              {
+               $ID = 1;
+               foreach($Values as $key => $Value)
+                { $this->SetSerieName($Value,"Serie".$ID); $ID++; }
+              }
+             else
+              {
+               $SerieName = "";
+
+               foreach($DataColumns as $key => $Value)
+                $this->SetSerieName($Values[$Value],"Serie".$Value);
+              }
+             $HeaderParsed = TRUE;
+            }
+           else
+            {
+             if ( $DataColumns == -1 )
+              {
+               $ID = 1;
+               foreach($Values as $key => $Value)
+                { $this->AddPoint(intval($Value),"Serie".$ID); $ID++; }
+              }
+             else
+              {
+               $SerieName = "";
+               if ( $DataName != -1 )
+                $SerieName = $Values[$DataName];
+
+               foreach($DataColumns as $key => $Value)
+                $this->AddPoint($Values[$Value],"Serie".$Value,$SerieName);
+              }
+            }
+          }
+        }
+       fclose($handle);
+      }
+    }
+
+   function AddPoint($Value,$Serie="Serie1",$Description="")
+    {
+     if (is_array($Value) && count($Value) == 1)
+      $Value = $Value[0];
+
+     $ID = 0;
+     for($i=0;$i<=count($this->Data);$i++)
+      { if(isset($this->Data[$i][$Serie])) { $ID = $i+1; } }
+
+     if ( count($Value) == 1 )
+      {
+       $this->Data[$ID][$Serie] = $Value;
+       if ( $Description != "" )
+        $this->Data[$ID]["Name"] = $Description;
+       elseif (!isset($this->Data[$ID]["Name"]))
+        $this->Data[$ID]["Name"] = $ID;
+      }
+     elseif( count($Value) > 1 )
+      {
+       foreach($Value as $key => $Val)
+        {
+         $this->Data[$ID][$Serie] = $Val;
+         if (!isset($this->Data[$ID]["Name"]))
+          $this->Data[$ID]["Name"] = $ID;
+         $ID++;
+        }
+      }
+    }
+
+   function AddSerie($SerieName="Serie1")
+    {
+     if ( !isset($this->DataDescription["Values"]) )
+      {
+       $this->DataDescription["Values"][] = $SerieName;
+      }
+     else
+      {
+       $Found = FALSE;
+       foreach($this->DataDescription["Values"] as $key => $Value )
+        if ( $Value == $SerieName ) { $Found = TRUE; }
+
+       if ( !$Found )
+        $this->DataDescription["Values"][] = $SerieName;
+      }
+    }
+
+   function AddAllSeries()
+    {
+     unset($this->DataDescription["Values"]);
+
+     if ( isset($this->Data[0]) )
+      {
+       foreach($this->Data[0] as $Key => $Value)
+        {
+         if ( $Key != "Name" )
+          $this->DataDescription["Values"][] = $Key;
+        }
+      }
+    }
+
+   function RemoveSerie($SerieName="Serie1")
+    {
+     if ( !isset($this->DataDescription["Values"]) )
+      return(0);
+
+     $Found = FALSE;
+     foreach($this->DataDescription["Values"] as $key => $Value )
+      {
+       if ( $Value == $SerieName )
+        unset($this->DataDescription["Values"][$key]);
+      }
+    }
+
+   function SetAbsciseLabelSerie($SerieName = "Name")
+    {
+     $this->DataDescription["Position"] = $SerieName;
+    }
+
+	// nastavimo desno serijo (za semanticni diferencial)
+	function SetRightLabelSerie($SerieName = "Name")
+    {
+     $this->DataDescription["Right"] = $SerieName;
+    }
+	
+   function SetSerieName($Name,$SerieName="Serie1")
+    {
+     $this->DataDescription["Description"][$SerieName] = $Name;
+    }
+
+   function SetXAxisName($Name="X Axis")
+    {
+     $this->DataDescription["Axis"]["X"] = $Name;
+    }
+
+   function SetYAxisName($Name="Y Axis")
+    {
+     $this->DataDescription["Axis"]["Y"] = $Name;
+    }
+
+   function SetXAxisFormat($Format="number")
+    {
+     $this->DataDescription["Format"]["X"] = $Format;
+    }
+
+   function SetYAxisFormat($Format="number")
+    {
+     $this->DataDescription["Format"]["Y"] = $Format;
+    }
+
+   function SetXAxisUnit($Unit="")
+    {
+     $this->DataDescription["Unit"]["X"] = $Unit;
+    }
+
+   function SetYAxisUnit($Unit="")
+    {
+     $this->DataDescription["Unit"]["Y"] = $Unit;
+    }
+
+   function SetSerieSymbol($Name,$Symbol)
+    {
+     $this->DataDescription["Symbol"][$Name] = $Symbol;
+    }
+
+   function removeSerieName($SerieName)
+    {
+     if ( isset($this->DataDescription["Description"][$SerieName]) )
+      unset($this->DataDescription["Description"][$SerieName]);
+    }
+
+   function removeAllSeries()
+    {
+     foreach($this->DataDescription["Values"] as $Key => $Value)
+      unset($this->DataDescription["Values"][$Key]);
+    }
+
+   function GetData()
+    {
+     return($this->Data);
+    }
+
+   function GetDataDescription()
+    {
+     return($this->DataDescription);
+    }
+	
+   function GetNumerus()
+    {
+     return($this->numerus);
+    }
+	
+   function SetNumerus($N)
+    {
+     $this->numerus = $N;
+    }
+	
+   function GetAverage()
+    {
+     return($this->average);
+    }
+	
+   function SetAverage($xi)
+    {
+     $this->average = $xi;
+    }
+   
+   function GetOther()
+    {
+     return($this->Other);
+    }
+	
+   function SetOther($other)
+    {
+     $this->Other = $other;
+    }
+
+  
+  }
+?>
+\ No newline at end of file
diff --git a/admin/survey/pChart/preview/color0.png b/admin/survey/pChart/preview/color0.png
new file mode 100644
index 0000000..94c26ae
--- /dev/null
+++ b/admin/survey/pChart/preview/color0.png
diff --git a/admin/survey/pChart/preview/color1.png b/admin/survey/pChart/preview/color1.png
new file mode 100644
index 0000000..0904559
--- /dev/null
+++ b/admin/survey/pChart/preview/color1.png
diff --git a/admin/survey/pChart/preview/color1ka.png b/admin/survey/pChart/preview/color1ka.png
new file mode 100644
index 0000000..cb7929b
--- /dev/null
+++ b/admin/survey/pChart/preview/color1ka.png
diff --git a/admin/survey/pChart/preview/color2.png b/admin/survey/pChart/preview/color2.png
new file mode 100644
index 0000000..8a7443e
--- /dev/null
+++ b/admin/survey/pChart/preview/color2.png
diff --git a/admin/survey/pChart/preview/color3.png b/admin/survey/pChart/preview/color3.png
new file mode 100644
index 0000000..534b8a2
--- /dev/null
+++ b/admin/survey/pChart/preview/color3.png
diff --git a/admin/survey/pChart/preview/color4.png b/admin/survey/pChart/preview/color4.png
new file mode 100644
index 0000000..7d899d5
--- /dev/null
+++ b/admin/survey/pChart/preview/color4.png
diff --git a/admin/survey/pChart/preview/color5.png b/admin/survey/pChart/preview/color5.png
new file mode 100644
index 0000000..3cb2e74
--- /dev/null
+++ b/admin/survey/pChart/preview/color5.png
diff --git a/admin/survey/pChart/preview/color6.png b/admin/survey/pChart/preview/color6.png
new file mode 100644
index 0000000..3a97fa9
--- /dev/null
+++ b/admin/survey/pChart/preview/color6.png
diff --git a/admin/survey/pChart/preview/color7.png b/admin/survey/pChart/preview/color7.png
new file mode 100644
index 0000000..f1592cd
--- /dev/null
+++ b/admin/survey/pChart/preview/color7.png