function highlight(sender, flag) {
  var collection = sender.getElementsByTagName('td');
  var images = sender.getElementsByTagName('img');
  
  if (flag == 1) {
    images[0].src = "/img-4.0/edit.gif";
    images[1].src = "/img-4.0/delete.gif";
  }
  else {
    images[0].src = "/img-4.0/edit-na.gif";
    images[1].src = "/img-4.0/delete-na.gif";
  }
  
  for (var i = 0; i < collection.length; i++) {
    if (flag == 1) {
      collection[i].style.background = "url('/img-4.0/box-s-gradient-reverse.jpg') top left repeat-x";
      collection[i].style.fontWeight = "bold";
    }
    else {
      collection[i].style.background = "";
      collection[i].style.fontWeight = "";
    }
  }
}