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 i=0;
 
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"');
      var blink_speed=500;
    } else {
      eval(layerRef+'["'+layerName+'"]'+
      styleSwitch+'.visibility="hidden"');
      var blink_speed=100;
    }
    if(i<1) {
      i++;
    } else {
      i--
    }
    setTimeout("Blink('"+layerName+"')",blink_speed);
  }
}