// convert all characters to lowercase to simplify testing
var agt=navigator.userAgent.toLowerCase();

var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);

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_nav2 = (is_nav && (is_major == 2));
var is_nav3 = (is_nav && (is_major == 3));
var is_nav4 = (is_nav && (is_major == 4));
var is_nav4up = (is_nav && (is_major >= 4));
var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                      (agt.indexOf("; nav") != -1)) );
var is_nav5 = (is_nav && (is_major == 5));
var is_nav5up = (is_nav && (is_major >= 5));

var is_ie   = (agt.indexOf("msie") != -1);
var is_ie3  = (is_ie && (is_major < 4));
var is_ie4  = (is_ie && (is_major == 4) &&
              (agt.indexOf("msie 4.0")!=-1) );
var is_ie4up  = (is_ie  && (is_major >= 4));
var is_ie5  = (is_ie && (is_major == 4) &&
              (agt.indexOf("msie 5.0")!=-1));
var is_ie55 = (is_ie && (is_major == 4) &&
              (agt.indexOf("msie 5.5")!=-1));
//var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
var is_ie55up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5);

// KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
// or if this is the first browser window opened.  Thus the
// variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
var is_aol   = (agt.indexOf("aol") != -1);
var is_aol3  = (is_aol && is_ie3);
var is_aol4  = (is_aol && is_ie4);

var is_opera = (agt.indexOf("opera") != -1);
var is_webtv = (agt.indexOf("webtv") != -1);
//alert("ie5:" + is_ie5 + " ie55: " + is_ie55 + " ie55up:" + is_ie55up);
//alert("IE:" + is_ie + " Agent:" + agt + " Major:" + is_major);

var WMP7Plus;
var fHasWMP7;
var fHasIE;

//fHasIE = (navigator.userAgent.indexOf('MSIE') > -1);

if (is_ie55up)
{
     try
     {
     	WMP7Plus = new ActiveXObject('WMPlayer.OCX');
     	fHasWMP7 = true;
     }
     catch(e)
     {
     	fHasWMP7 = false;
     }

     if(!fHasWMP7 && !("<% = WMPDown%>"=="true"))
     {
     	location.href=("update.asp?<% =channel%><% =partner%>");
     }

}
else
{
	location.href="unsupported.asp";
}