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=500;
var i=0;

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