function OpenPickList(ID, URL)
{
  w = GetWindowWidth();
  h = GetWindowHeight();
  l = Math.round((screen.width-w)/2)-5;
  t = Math.round((screen.height-h)/2)-15;
  if(ID>0)
    URL = URL + '&ID=' + ID;
  window.open(URL, 'PickList', 'scrollbars=yes,width='+w+',height='+h+',left='+l+',top='+t);
  return false;
}