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

	function tabsinit() {
		// 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 == "DIV" ) {
				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 );
	}