Rich = Boolean (document.getElementById);

if (Rich) { 
  document.write("<link rel='stylesheet' type='text/css' href='global/global.css' />");
  document.write("<link rel='stylesheet' type='text/css' href='local_subpage.css' />");

  
  function showBig(img) {
    var realit = window.open("titles/images/" + img,'win','width=820,height=600, scrollbars=yes')
    return false;
  }
}