function expandSelect(obj)
{
  obj.style.overflow = "visible";
  obj.setAttribute( "originalWidth" , obj.style.width);
  obj.style.width = "400";
  obj.style.position = "absolute";
  obj.style.left = obj.offsetLeft;
  obj.style.top = obj.offsetTop-10;
  obj.style.zIndex = 10;
}

function restoreSelect(obj) 
{
  obj.style.overflow = "hidden"
  obj.style.width = obj.getAttribute( "originalWidth" )
  obj.setAttribute( "originalWidth" , "")
  obj.style.position = "relative"
  obj.style.zIndex = 0
  obj.style.left = ""
  obj.style.top = ""
}