function SubmitForm( cmd, dat) {
   // store left menu status
   document.forms[0].curLMenu.value = curLMenu;

   // st command
   if ( dat == '' ) {
       document.forms[0].cmd.value = cmd + ';' + curLMenu;
   } else {
       document.forms[0].cmd.value = cmd + ';' + dat;
   }

   document.forms[0].submit();
}