browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror"){
  version = "n3";
}
else {
  version = "n2";
}

function blurLink(theObject){
  if( msie4 )  theObject.blur();
}