 //<![CDATA[

 var tabLinks = new Array();
 var contentDivs = new Array();

 function initTab() {

   // Grab the tab links and content divs from the page
   var tabListItems = document.getElementById('tabs').childNodes;
   for ( var i = 0; i < tabListItems.length; i++ ) {
     if ( tabListItems[i].nodeName == "LI" ) {
       var tabLink = getFirstChildWithTagName( tabListItems[i], 'A' );
       var id = getHash( tabLink.getAttribute('href') );
       tabLinks[id] = tabLink;
       contentDivs[id] = document.getElementById( id );
     }
   }

   // Assign onclick events to the tab links, and
   // highlight the first tab
   var i = 0;

   for ( var id in tabLinks ) {
     tabLinks[id].onclick = showTab;
     tabLinks[id].onfocus = function() { this.blur() };
     if ( i == 0 ) tabLinks[id].className = 'selected';
     i++;
   }

   // Hide all content divs except the first
   var i = 0;

   for ( var id in contentDivs ) {
     if ( i != 0 ) contentDivs[id].className = 'tabContent hide';
     i++;
   }
 }

 function showTab() {
   var selectedId = getHash( this.getAttribute('href') );

   // Highlight the selected tab, and dim all others.
   // Also show the selected content div, and hide all others.
   for ( var id in contentDivs ) {
     if ( id == selectedId ) {
       tabLinks[id].className = 'selected';
       contentDivs[id].className = 'tabContent';
     } else {
       tabLinks[id].className = '';
       contentDivs[id].className = 'tabContent hide';
     }
   }

   // Stop the browser following the link
   return false;
 }

 function getFirstChildWithTagName( element, tagName ) {
   for ( var i = 0; i < element.childNodes.length; i++ ) {
     if ( element.childNodes[i].nodeName == tagName ) return element.childNodes[i];
   }
 }

 function getHash( url ) {
   var hashPos = url.lastIndexOf ( '#' );
   return url.substring( hashPos + 1 );
 }

 //]]>
