function OpenWindow(obj) {
  var width = 380;
  var height = 330;
  var left = (screen.width - width) / 2;
  var top = (screen.height - height) / 2;
  var props = "width=" + width + ",height=" + height + ",left=" + left + ",top=" + top;
  var newwindow = window.open(obj.href, "_new", props);
  if (newwindow == null)
    return true;
  else
    return false;
}