if(window.attachEvent)
  window.attachEvent("onload",setListeners);

function setListeners() {
  inputList = document.getElementsByTagName("INPUT");
  for(i=0;i<inputList.length;i++)
    inputList[i].attachEvent("onpropertychange",restoreStyles);
  selectList = document.getElementsByTagName("SELECT");
  for(i=0;i<selectList.length;i++)
    selectList[i].attachEvent("onpropertychange",restoreStyles);
}

function restoreStyles(){
  if(event.srcElement.style.backgroundColor != "")
  event.srcElement.style.backgroundColor = "";
}