if(document.observe){document.observe("dom:loaded",function(){var features=$$(".feature");var featureLinks=$$("#feature-links ul li a");features.invoke("hide");if(window.location.hash.length){$(window.location.hash.slice(1,window.location.hash.length)).show();$$("#feature-links ul li a[href="+window.location.hash+"]").invoke("addClassName","current");}else{features[0].show();}
featureLinks.each(function(e){var link=e.readAttribute("href");var divId=link.slice(1,link.length);e.observe("click",function(event){Event.stop(event);featureLinks.invoke("removeClassName","current");event.element().addClassName("current");features.invoke("hide");$(divId).show();return false;});});});}