function submitonce(theform) {
  if (document.all || document.getElementById) {
    for (i=0; i<theform.length; i++) {
      var tempobj=theform.elements[i];
      if(tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset") {
        tempobj.disabled=true;
      }
    }
  }
}