var isNav4, isIE4,isNav6;

/*
 * Browser version snooper; determines your browser
 * (Navigator 4, Navigator 6, or Internet Explorer 4/5)
 */
function setBrowser()
{
    if (navigator.appVersion.charAt(0) == "4")
    {
        if (navigator.appName.indexOf("Explorer") >= 0)
        {
            isIE4 = true;
        }
        else
        {
            isNav4 = true;
        }
    }
    else if (navigator.appVersion.charAt(0) > "4")
    {
        isNav6 = true;
    }
}

function redir(ssladdr,addr){
var URL;
var newURL;
var isSecure;


var SiteAddress;
var toPage;

URL = new String(document.location);

if (URL.substr(5,1) == ':') {
	isSecure = true;
	SiteAddress = ssladdr;
	}
else {
	isSecure = false;
	SiteAddress = addr;
	}

if (document.referrer.indexOf(SiteAddress.toLowerCase()) < 0 &&  (isIE4 || isNav6))
	{
    newURL = SiteAddress + "/mainframe.asp?";
	
	toPage = URL.substr(SiteAddress.length + 1,URL.length - SiteAddress.length);
	
	if ((toPage.toLowerCase() == "leftsidecontent.asp") || (toPage.toLowerCase() == "topnav.asp")) {
		toPage = "maincontent.asp";
		}
	
	if (isSecure == true){
		newURL = newURL + "SSLFullURL='" + toPage + "'";
		}
	else{
		newURL = newURL + "FullURL='" + toPage + "'";
		}
		
	document.location = newURL;
	}
}