getSilverlightVersion = function(){
	
	var SLVersion;
	
	try{
		try{
			var control = new ActiveXObject('AgControl.AgControl');
			
			if(control.IsVersionSupported("3.0")){
				SLVersion = 3;
			}
			else{
				if(control.IsVersionSupported("2.0")){
					SLVersion = 2;
				}
				else{
					SLVersion = 1;
				}
			}
			
			control = null;
		}
		catch(e){
			var plugin = navigator.plugins["Silverlight Plug-In"];
		
			if(plugin)
			{
				if (plugin.description === "1.0.30226.2"){
					SLVersion = 2;
				}
				else{
					SLVersion = parseInt(plugin.description[0]);
				}
			}
			else{
				SLVersion = 0;
			}
		}
	}
	catch(e){
		SLVersion = 0;
	}
	
	return SLVersion;
}