var submitted = 0;
    function LockButton ()
       {
       var ret = false;
       if ( ! submitted )
       {
     var item = document.getElementById("fbsubmit");
           if (item != null)
             {
             setTimeout(function()
								 {
							     item.disabled = true;
								 item.value="Searching..."
								 }, 0);
             }
           submitted = 1;
           ret = true;
          }
        return ret;
        }