sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

function CreateClientCookie(name, value, days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
		var expires = "; expires=" + date.toGMTString();
	}
	else var expires = "";
	document.cookie = name + "=" + escape(value) + expires + "; path=/";
}

function ReadClientCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for (var i = 0; i < ca.length; i++)
	{
		var c = ca[i];
		while (c.charAt(0) == ' ') c = c.substring(1, c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
	}
	return null;
}
function eraseCookie(name) {
	CreateClientCookie(name, "", -1);
}

function areCookiesEnabled() {
	var r = false;
	CreateClientCookie("testing", "Hello", 1);
	if (ReadClientCookie("testing") != null) {
		r = true;
		eraseCookie("testing");
	}
	return r;
}

function setCookie(c_name,value,exdays)
 {
 
 return CreateClientCookie(c_name,value,exdays);
 
 var exdate=new Date();
 exdate.setDate(exdate.getDate() + exdays);
 var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
 document.cookie=c_name + "=" + c_value;
}

var visitorCheckError = 0;

function visitorCheck()
{
if (typeof document.referrer != "undefined" && document.referrer != null)
 {
    if (document.referrer.toString().toLowerCase() != document.location.href.toString().toLowerCase())
    {
        try { CreateClientCookie("c_Last_Url",document.referrer,1); } catch(e) { }
    } 
 }
    var relativeDomain = "project-tracker.net";
    var strReferrer = "";
    var refDomain = "";
    try
    {
        relativeDomain = relativeDomain.toLowerCase();
        strReferrer = document.referrer.toLowerCase();
        refDomain = strReferrer.replace("http://", "").replace("https://", "");
        if (refDomain.indexOf("www.") == 0)
        {
            refDomain = refDomain.replace("www.","");
        }
        if (refDomain.substring(0,relativeDomain.length) == relativeDomain)
        {
            return;
        }       
    }
    catch(e)
    {
        visitorCheckError++;
        if (visitorCheckError < 10)
        {
            setTimeout(visitorCheck,1000);
        }
        else
        {
            visitorCheckError = 0;
        }
        return;
    }
    if (strReferrer == "")
    {
        visitorCheckError++;
        if (visitorCheckError < 10)
        {
            setTimeout(visitorCheck,1000);
        }
        else
        {
            visitorCheckError = 0;
            try { setCookie("c_Entry_Url","Referrer was empty",1); } catch(e) { }
        }       
    }
    else
    {
        try { setCookie("c_Entry_Url",strReferrer,1); } catch(e) { }
        
    }
}

visitorCheck();