/**********************************************************************************
Description:
  This script contains base functions that can be used by all other pages that
  require java script
**********************************************************************************/

  var isDOM = (document.getElementById ? true : false); 
  var isIE4 = ((document.all && !isDOM) ? true : false);
  var isNS4 = (document.layers ? true : false);

  function getRef(id) {
    if (isDOM) return document.getElementById(id);
    if (isIE4) return document.all[id];
    if (isNS4) return document.layers[id];
  }