/* Browser sensing */
/* Set up boolian variables to record the browser type */
var isNS4 = 0;
var isNS6 = 0;
var isIE4 = 0;
var isNew = 0;
var isIEMac = 0
var isIE4Mac = 0
var isIE5Mac = 0
var isNS4Mac = 0
var docObj, styleObj, currObj

var brow = ((navigator.appName) + (parseInt(navigator.appVersion)));

if (navigator.platform.toLowerCase().indexOf("win") >= 0){
if (parseInt(navigator.appVersion >= 5)) {isNew = 1;}
	else if (brow == "Netscape4") 
	{isNS4 = 1;}
	else if (brow == "Netscape5") 
	{isNS6 = 1;}
		else {isIE4 = 1;}
}			
if (navigator.platform.toLowerCase().indexOf("mac") >= 0){
	if (navigator.appName == "Microsoft Internet Explorer"){
   		var pos = navigator.appVersion.indexOf("MSIE");
		var ver = 4;
		if (pos>=-1) ver = parseInt(navigator.appVersion.substring(pos+5));
		if (ver>=5) {isIE5Mac = 1;
		}
	else {isIE4Mac = 1;}
}
else {isNS4Mac = 1;}
}
if (isNS4 || isIE4 || isNew || isIE4Mac || isIE5Mac || isNS4Mac) {
docObj = (isNS4 || isNS6) ? 'document' : 'document.all';
styleObj = (isNS4 || isNS6) ? '' : '.style';
}