var isNew=0;
var isNS4=0;
var isIE4=0;
var brow= ((navigator.appName)+(parseInt(navigator.appVersion)));
if (parseInt(navigator.appVersion) >=5) {
isNew=1} 
else if (brow == "Netscape4")
{isNS4 =1;}
else if (brow == "Microsoft Internet Explorer4")
{isIE4=1;}

if (isNS4 || isIE4 || isNew){
docObj=(isNS4) ? 'document.' : 'document.all.';
styleObj=(isNS4) ? '' : '.style';
}