// alert("xhr_wr: "+xhr_wr+" is_conn: "+is_conn);
xhr_wr.open('GET', 'index_wr.php?&'+(is_conn ? 'sess='+sess : '')+'&stp='+gst.st+'&mesg='+mesg, (is_conn ? true : false));
xhr_wr.setRequestHeader("If-Modified-Since", new Date().toUTCString());
// alert("xhr_wr: "+xhr_wr+" is_conn: "+is_conn);
xhr_wr.open('GET', 'index_wr.php?&'+(is_conn ? 'sess='+sess : '')+'&stp='+gst.st+'&mesg='+mesg, (is_conn ? true : false));
xhr_wr.setRequestHeader("If-Modified-Since", new Date().toUTCString());