I can't get it to work for firefox but works fine for IE 
chartData={shownames:"1", 
   canvasBgAlpha:"0", 
   showDivLineValues:"0", 
   borderColor:"FFFFFF",  
   divLineColor:"FFFFFF",  
   divLineAlpha:"0",  
   canvasBgColor:"FFFFFF",  
   showYAxisValues:"0",  
   showValues:"1", 
   yAxisValuesPadding:"0",   
   showLabels:"0", 
   useRoundEdges:"1", 
   legendBorderColor:"FFFFFF", 
   bgColor:"FFFFFF", 
   showAlternateVGridColor:"0", 
   categories:{ 
					    category:[ 
						    {label:"Data"}		   ] 
				    }, 
   dataset:[{		     
					 seriesName:"Product 1", 
						   set:[ 
						    { value:"11112"}, 
						    {value:"12224"} 
						   ] 
						 }, 
  
					    {		     
						  set:[ 
						    { value:"12311"}, 
						    {value:"14123"} 
						  ], 
						  seriesName:"Product 2" 
					    } 
				    ] 
	 }