menu.js

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/*
* Copyright 2002-2004 The Apache Software Foundation or its licensors,
* as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
 * This script, when included in a html file, can be used to make collapsible menus
 *
 * Typical usage:
 * <script type="text/javascript" language="JavaScript" src="menu.js"></script>
 */

if (document.getElementById){ 
  document.write('<style type="text/css">.menuitemgroup{display: none;}</style>')
}

function SwitchMenu(obj)
{
  if(document.getElementById)  {
    var el = document.getElementById(obj);
    var title = document.getElementById(obj+'Title');

    if(obj.indexOf("_selected_")==0&&el.style.display == ""){
      //nicolaken: doesn't work :-(
      //title.style.backgroundImage = "url('images/chapter_open.gif')";
      el.style.display = "block";
    }

    if(el.style.display != "block"){ 
      //nicolaken: doesn't work :-(
      //title.style.backgroundImage = 'url([url]images/chapter_open.gif[/url])';
      el.style.display = "block";
    }else{
      //nicolaken: doesn't work :-(
      //title.style.backgroundImage = "url('images/chapter.gif')";
      el.style.display = "none";
    }
  }// end -  if(document.getElementById) 
}//end - function SwitchMenu(obj)