var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var netscape4 = (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;


//BLINKING
function Blink(layerName){

	if (netscape4 || IE4) { 		
		if(i%2==0) {
			try{document.getElementById(layerName).style.visibility='visible';}catch(ex){}
		} else {
			try{document.getElementById(layerName).style.visibility='hidden';}catch(ex){}
		}
	} 

	if( i < 1 )  {
		i++;
	}  else  {
		i--;
	}
	
	setTimeout("Blink('"+layerName+"')",blink_speed);
}