function isEarlyNS(){
	if(document.layers && (navigator.appVersion.indexOf('4.0')!=-1)){
		for(i=7; i<10;i++){
			if(navigator.appVersion.indexOf('4.0' + i)!=-1){
				return(false)
			}
		}
		return(true)
	}
}

function isMac(){
	if(navigator.platform.indexOf('Mac')!=-1){return(true)}
	else{return(false)}
}

function isIE4(){
	if((navigator.appVersion.indexOf('MSIE 4.0')!=-1) && (document.all)){return(true)}
	else{return(false)}
}

	var agt=navigator.userAgent.toLowerCase();
	var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	var is_mac = (agt.indexOf("mac")!=-1);
	var is_ie = (agt.indexOf("msie") != -1);
	var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
	              && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
	              && (agt.indexOf('webtv')==-1));
	var is_major = parseInt(navigator.appVersion); 
	var is_minor = parseFloat(navigator.appVersion); 
	var is_ie3  = (is_ie && (is_major < 4));
	var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) ); 
	var is_ie4up = (is_ie  && (is_major >= 4)); 
	var is_nav4up = (is_nav && (is_major >= 4));
	var is_nav5up = (is_nav && (is_major >= 5));
	var is_ie5up = (is_ie && !is_ie3 && !is_ie4);
	
	if (!(agt.indexOf('webtv')==-1)) window.top.location = "Redirect.asp";

	if((is_nav || is_ie) && (is_nav4up || is_ie4up)){
		if(is_nav){
			if(is_win){
			if(!(is_minor>4.4  && !is_nav5up) || (is_minor==4.74)) window.top.location = "Redirect.asp";	
			//if(!(is_minor>4.4 && !is_nav5up)) window.top.location = "Redirect.asp";
			}else
				window.top.location = "Redirect.asp";
		}else if(is_ie){
			if(is_win && !(is_ie4up)) window.top.location = "Redirect.asp";
			if(is_mac && !(is_ie5up)) window.top.location = "Redirect.asp";
		}else{
			window.top.location = "Redirect.asp";
		}
	}else{
		window.top.location = "Redirect.asp";
	}