Bug 145705 [regression]Tooltip of chart cannot display completely
Description: Tooltip of chart cannot display completely Steps to reproduce: 1. Set tooltip "abcdef\ndeeeeee" to X-Axis 2. preview Expected result: tooltip can be displayed completely Actual result: Only can see the first line of tooptip
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/EventHandlers.java
.append( "			open(url);\n" ) 
    	.append( "		}\n" ) 
    	.append( "	}\n" )     	    
		//
		
		
		
		 
		
 		//
		
		
		
		 
		   	
    	.append( "	function isIE(){\n" )
		.append( "   var agt=parent.navigator.userAgent.toLowerCase();\n" )
		.append( "   return (agt.indexOf(\"msie\")!=-1);\n" )
		.append( "}  \n" )  	
 		//
		
		
		 
		
		 
		
		
    	.append( "	function resizeSVG(e){\n" )
    	.append( "    if(isIE()){\n" )
		.append( "       var root=e.target.ownerDocument.documentElement;\n" )