function loadDIV(id) {
  var ret = null;
  if (document.getElementById) {   // IE 4.0, Firefox 1.0, Opera 5.12, Netscape 6.x, Konqueror 3.1, Safari 1.02
    ret = document.getElementById(id);
  }
  else if (document.all) {         // IE 4.0, Opera 7.0
    ret = document.all[id];
  }
  else if (document.layers) {      // Netscape 4.0
    ret = document.layers[id];
  }
  return ret;
}