function submitonce(theform){
  //if IE 4+ or NS 6+
  if (document.all||document.getElementById){
  //screen thru every element in the form, and hunt down "submit" and "reset"
    for (i=0;i<theform.length;i++){
      var tempobj=theform.elements[i]
      if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
       //disable em
      tempobj.disabled=true
    }
  }
}