var AgntUsr=navigator.userAgent.toLowerCase();
	var AppVer=navigator.appVersion.toLowerCase();
	var DomYes=document.getElementById?1:0;
	var NavYes=AgntUsr.indexOf('mozilla')!=-1&&AgntUsr.indexOf('compatible')==-1?1:0;
	var ExpYes=AgntUsr.indexOf('msie')!=-1?1:0;
	var Opr=AgntUsr.indexOf('opera')!=-1?1:0;
	var Opr6orless=window.opera && navigator.userAgent.search(/opera.[1-6]/i)!=-1 //DynamicDrive.com added code
	if(Opr){NavYes=1;ExpYes=0;}
	var DomNav=DomYes&&NavYes?1:0;
 	var DomExp=DomYes&&ExpYes?1:0;
	var Nav4=NavYes&&!DomYes&&document.layers?1:0;
	var Exp4=ExpYes&&!DomYes&&document.all?1:0;
	var Exp6Plus=(AppVer.indexOf("msie 6")!= -1||AppVer.indexOf("msie 7")!= -1)?1:0