function get_cookie(Name) {
	
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
	offset = document.cookie.indexOf(search)
	// if cookie exists
	if (offset != -1) {
	offset += search.length
	// set index of beginning of value
	end = document.cookie.indexOf(";", offset);
	// set index of end of cookie value
	if (end == -1) end = document.cookie.length;
	returnvalue=unescape(document.cookie.substring(offset, end))
	}
	}
	return returnvalue;
}

function referal()
{
	if(get_cookie('reffer') == "" )
	{
		document.cookie="reffer="+document.referrer;
	}

//alert(get_cookie('reffer'));
}