

<!--
		// Detect if browser is Netscape 3 + or IE 4 +
	bName = navigator.appName;
	bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
    else br = "n2";

    if (br== "n3") { 				
				
		top1_off	 			= new Image();
		top1_off.src			= "images/level2/top1_off.gif";
		top1_on     			= new Image();
		top1_on.src 			= "images/level2/top1_on.gif";	
		
		top2_off	 		= new Image();
		top2_off.src		= "images/level2/top2_off.gif";
		top2_on     		= new Image();
		top2_on.src 		= "images/level2/top2_on.gif";	
		
		top3_off	 		= new Image();
		top3_off.src		= "images/level2/top3_off.gif";
		top3_on     		= new Image();
		top3_on.src 		= "images/level2/top3_on.gif";	
		
		top4_off	 			= new Image();
		top4_off.src			= "images/level2/top4_off.gif";
		top4_on     			= new Image();
		top4_on.src 			= "images/level2/top4_on.gif";		
		
		top5_off	 			= new Image();
		top5_off.src			= "images/level2/top5_off.gif";
		top5_on     			= new Image();
		top5_on.src 			= "images/level2/top5_on.gif";	
				
		top6_off	 			= new Image();
		top6_off.src			= "images/level2/top6_off.gif";
		top6_on     			= new Image();
		top6_on.src 			= "images/level2/top6_on.gif";	
	
		top7_off	 			= new Image();
		top7_off.src			= "images/level2/top7_off.gif";
		top7_on     			= new Image();
		top7_on.src 			= "images/level2/top7_on.gif";	
	
	}
		
	function imgOn(imgName){
		if (br == "n3"){
    	document[imgName].src = eval(imgName + "_on.src");
		}
	}
	function imgOff(imgName) {
    	if (br == "n3") {
		document[imgName].src = eval(imgName + "_off.src");
		}
	}	
	// -->