/(trident|msie)/i.test(navigator.useragent)&&document.getelementbyid&&window.addeventlistener&&window.addeventlistener("hashchange",function(){var t,e=location.hash.substring(1);/^[a-z0-9_-]+$/.test(e)&&(t=document.getelementbyid(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagname)||(t.tabindex=-1),t.focus())},!1);