+function server_request(mesg)
+{
+ var xhr_wr = createXMLHttpRequest();
+
+ var is_conn = (sess == "not_connected" ? false : true);
+
+ // console.log("server_request:preresp: "+xhr_wr.responseText);
+
+ xhr_wr.open('GET', 'index_wr.php?'+(is_conn ? 'sess='+sess+'&' : '')+'mesg='+mesg, false);
+ xhr_wr.onreadystatechange = function() { return; };
+ xhr_wr.send(null);
+
+ if (xhr_wr.responseText != null) {
+ // console.log("server_request:resp: "+xhr_wr.responseText);
+ return (xhr_wr.responseText);
+ }
+ else
+ return (null);
+}
+