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

    function init() {
	  
	  var tab = getCookie('tab');
	  var first_tab = '';
	  
      // 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') );
		  if (first_tab == '') first_tab = id;
          tabLinks[id] = tabLink;
          contentDivs[id] = document.getElementById( id );
        }
      }
		
		// Assign onclick events to the tab links, and highlight the tab saved into the cookie
		// if there is no cookie, highlight the first tab
		if (tab==null || tab=="") { tab = first_tab; }
		
			for ( var id in tabLinks ) {
				tabLinks[id].onclick = showTab;
				tabLinks[id].onfocus = function() { this.blur() };
				if (id == tab) {tabLinks[id].className = 'selected';}
					else {tabLinks[id].className = '';}
			}
			// Hide all content divs except the first
			for ( var id in contentDivs ) {
				if ( id != tab ) contentDivs[id].className = 'tabContent hide';
			}

    }

    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';
		  setCookie('tab',id,365);
        } 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 );
    }

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}