function addEngine(searchCode, searchName, category)
{
   try {
      window.external.AddSearchProvider("http://www.webreference.com/cgi-bin/ase/q/"+searchCode+".xml");
   }
   catch(eObj) {
      if ((typeof window.sidebar == "object") &&
          (typeof window.sidebar.addSearchEngine == "function")) {
         window.sidebar.addSearchEngine(
            "http://www.webreference.com/cgi-bin/ase/q/"+searchCode+".src",  /* engine URL */
            "http://www.webreference.com/cgi-bin/ase/q/"+searchCode+".gif",  /* icon URL */
            searchName, /* engine name */
            category);  /* category name */
      }
      else {
         alert("We're sorry; but we cannot add our search engine to "+
               "your browser.\nWe require Mozilla, Firefox, or IE 7 "+
               "to do this.");
         return true;
      }
   }
   return false;
}