function getCookieMultiValue(cookiename,cookiekey)
{
	var cookievalue=getCookie(cookiename);
	if ( cookievalue == "")
	return "";
	cookievaluesep=cookievalue.split("&");
	for (c=0;c<cookievaluesep.length;c++)
	{
		cookienamevalue=cookievaluesep[c].split("=");
		if (cookienamevalue.length > 1) //it has multi valued cookie
		{
			if ( cookienamevalue[0] == cookiekey )
				return cookienamevalue[1].toString();
		}
		else
		return "";
	}
	return "";
}


function getCookie(name) 
{
	var result = "";
	var myCookie = " " + document.cookie + ";";
	var searchName = " " + name + "=";
	var startOfCookie = myCookie.indexOf(searchName);
	var endOfCookie;
	if (startOfCookie != -1) 
	{
		startOfCookie += searchName.length;
		endOfCookie = myCookie.indexOf(";", startOfCookie);
		result = unescape(myCookie.substring(startOfCookie, endOfCookie));
	}
	return result;
}

function setCookieMultiValue(cookiename,cookiekey,cookiekeyvalue)
{
	var cookievalue=getCookie(cookiename);
	if ( cookievalue.trim() == "" )	
	{
		setCookie(cookiename,cookiekey+"="+cookiekeyvalue);
	return;
	}		
                    	
	//check if cookie already exist
	getcookiekeyvalue=getCookieMultiValue(cookiename,cookiekey);
	newCookieValue=cookievalue.trim();
	if ( getcookiekeyvalue == "")	//key cookie never exist		
		newCookieValue += "&" + cookiekey + "=" + cookiekeyvalue;
	else
	{
		if ( newCookieValue.substr(0,cookiekey.length+1) == (cookiekey + "=") ) //Check if at first location . no beginning with &
		{
			//pick rest keys = keylength+equalsign+cookiekeyvalue+nextampesand
			totalcookiekeylength=cookiekey.length+1+getCookieMultiValue(cookiename,cookiekey).length+1;
            newCookieValue = newCookieValue.substr(totalcookiekeylength);
            if (newCookieValue.trim() == "")			
				newCookieValue = cookiekey + "=" + cookiekeyvalue;
			else
				newCookieValue += "&" + cookiekey + "=" + cookiekeyvalue;
        }
        else 
		{
			fullcookiekey="&"+cookiekey+"="+getcookiekeyvalue;
            if ( newCookieValue.indexOf(fullcookiekey) != -1 ) //cookie key inside the cookie value
			{
                newCookieValue = ReplaceAll(newCookieValue, fullcookiekey, "");
				if (newCookieValue.trim() == "")			
					newCookieValue = cookiekey + "=" + cookiekeyvalue;
                else
					newCookieValue += "&" + cookiekey + "=" + cookiekeyvalue;
            }
        }
    }
	setCookie(cookiename,newCookieValue);
}

function setCookie(cname,value) {
	document.cookie= cname +"="+value;
}