window.addEvent('domready', function(){var objs=$$('#pa_back_top a'); if (objs==null || objs.length==0) return; for (var i=0; i<objs.length; i++) { var o = new Element(objs[i]); var tmps = o.href.split('#'); if (tmps!=null && tmps.length>1) { o.addEvent('click', function(event) { var el = new Event(event); var v = el.target.href.split('#'); var name = v[v.length-1]; var div = new Element($(name)); var p = new Element('p').addClass('tar').injectInside(div); var a = new Element('a', { 'href': '#top' }).addClass('f30').injectInside(p); a.addEvent('click', function(event) { var el = new Event(event); var p = new Element($parent(el.target, 'p')); p.remove(); }); a.appendText('返回'); });}}});