var DED=window.DED||{};DED.example=function(){var YUD=YAHOO.util.Dom;var YUE=YAHOO.util.Event;var YUA=YAHOO.util.Anim;var onMenuCollapse=new YAHOO.util.CustomEvent('menu collapse');var onMenuOpen=new YAHOO.util.CustomEvent('menu open');var last=[];var ua=navigator.userAgent.toLowerCase();var isOpera=(ua.indexOf('opera')!=-1);var isIE=(ua.indexOf('msie')!=-1&&!isOpera);return{init:function(){var oLi=YUD.getElementsByClassName('hdr','li','accordion_menu');var oSp=YUD.getElementsByClassName('hdr_s','span');for(var i=0,j=oLi.length;i<j;++i){YUD.setStyle(oLi[i].getElementsByTagName('ul')[0],"display","");var lists=[oLi[i],oLi[i].offsetHeight];YUE.on(oSp[i],'click',this.collapse,lists,true);}
YUD.batch(oLi,function(oEl){if(YUD.hasClass(oEl,'close')){oEl.getElementsByTagName('ul')[0].style.height='0';}});onMenuOpen.subscribe(this.closeLast);YUD.setStyle('why_buy','margin-top','20px');},collapse:function(e,o){var iH=this[1];last.push(this[0]);if(last.length>8){last.shift();}
if(YUD.hasClass(this[0],'close')){YUD.removeClass(this[0],'close');var oEl=this[0].getElementsByTagName('ul')[0];oEl.style.height='0';var iHeight=(isIE?parseInt(iH)-30:parseInt(iH)-30);var attributes={height:{from:0,to:iHeight}};var anim=new YAHOO.util.Anim(oEl,attributes,0.5,YAHOO.util.Easing.easeOut);anim.animate();onMenuOpen.fire();}
else{YUD.addClass(this[0],'close');var oEl=this[0].getElementsByTagName('ul')[0];var attributes={height:{to:0}};var anim=new YUA(oEl,attributes,0.5,YAHOO.util.Easing.easeIn);anim.animate();onMenuCollapse.fire();}},closeLast:function(){var oLast=last[(last.length)-2];if(last.length===1){return;}
else if(oLast===last[(last.length)-1]){return;}
if(!YUD.hasClass(oLast,'close')){YUD.addClass(oLast,'close');var oEl=oLast.getElementsByTagName('ul')[0];var attributes={height:{to:0}};var anim=new YUA(oEl,attributes,0.5,YAHOO.util.Easing.easeIn);anim.animate();}}};}();$E.onAvailable('accordion_menu',DED.example.init,DED.example,true);