Bug 169829 text-anchor style in svg chart is not right.
In svg, text-anchor style support start, middle and end values. But in the attached svg chart, there is a wrong value like left. So when use batik to tranfer the svg to be a image, the batik throw a NPE.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/EventHandlers.java
.append( "	   }    \n" ) 
    	.append( "	}\n" ) 
		//
		
		
		
		
    	
		    	
    	.append( "	function redirect(target, url){\n" ) 
    	.append( "		if (target =='_blank'){\n" ) 
    	.append( "			open(url);\n" ) 
    	.append( "		}\n" ) 
    	.append( "		else if (target == '_top'){\n" ) 
    	.append( "          window.top.location.href=url;\n" ) 									
    	.append( "		}\n" ) 
    	.append( "		else if (target == '_parent'){\n" ) 
    	.append( "          parent.location.href=url;\n" ) 									
    	.append( "		}\n" ) 
    	.append( "		else if (target == '_self'){\n" ) 
    	.append( "          parent.location.href=url;\n" ) 									
    	.append( "		}\n" )     	
    	.append( "		else if (target == '_self'){\n" ) 
    	.append( "          parent.location.href=url;\n" ) 									
    	.append( "		}\n" )     	
    	.append( "		else{\n" ) 
    	.append( "			open(url);\n" ) 
    	.append( "		}\n" ) 
    	.append( "	}\n" )     	    
		//