function email_article(guid_source, RelativeUrl) {
		window.open("/email_friend?guid=" + guid_source + "&uri=" + RelativeUrl,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resize=no,copyhistory=0,width=450,height=450")
    }

    function email_message(guid_source, guid_source_id, encodedurl, messageid) {
		window.open("/email/" + guid_source + "/" + guid_source_id + "/" + encodedurl + "/" + messageid,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resize=no,copyhistory=0,width=300,height=535")
    }