function M_AMFPHP(url, connectcallback = null) {

   this.connectcallback = connectcallback;

   nc = new NetConnection();

   nc.objectEncoding = ObjectEncoding.AMF0;

   U_Action.onnetstatus(nc, onNetStatus);

   U_Action.onioerror(nc, onIOError);

   U_Action.onsecurityerror(nc, onSecurityError);

   U_Action.onasyncerror(nc, onAsyncError);

   resp = new Responder(onResult, onError);

   nc.connect(url);

}