window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" 
 && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" 
 && bVer < 4);
 var blink_speed=300;
 var i=0;
 
if (NS4 || IE4) {
 if (navigator.appName == "Netscape") {
 layerStyleRef="layer.";
 layerRef="document.layers";
 styleSwitch="";
 }else{
 layerStyleRef="layer.style.";
 layerRef="document.all";
 styleSwitch=".style";
 }
}

//BLINKING
function Blink(layerName){
	 if (NS4 || IE4) { 
	 if(i%2==0) {
		 eval(layerRef+'["'+layerName+'"]'+
		 styleSwitch+'.visibility="visible"');
	 }
	 else
	 {
	 eval(layerRef+'["'+layerName+'"]'+
	 styleSwitch+'.visibility="hidden"');
	 }
	 } 
	 if(i<1)
	 {
	 i++;
	 } 
	 else
	 {
	 i--
	 }
	 setTimeout("Blink('"+layerName+"')",blink_speed);
}