var browser={ie6:function(){return((window.xmlhttprequest==undefined)&&(activexobject!=undefined))},getwindow:function(){var myheight=0;var mywidth=0;if(typeof(window.innerwidth)=='number'){myheight=window.innerheight;mywidth=window.innerwidth}else if(document.documentelement){myheight=document.documentelement.clientheight;mywidth=document.documentelement.clientwidth}else if(document.body){myheight=document.body.clientheight;mywidth=document.body.clientwidth}return{'height':myheight,'width':mywidth}},getscroll:function(){var myheight=0;var mywidth=0;if(typeof(window.pageyoffset)=='number'){myheight=window.pageyoffset;mywidth=window.pagexoffset}else if(document.documentelement){myheight=document.documentelement.scrolltop;mywidth=document.documentelement.scrollleft}else if(document.body){myheight=document.body.scrolltop;mywidth=document.body.scrollleft}return{'height':myheight,'width':mywidth}},getdocwidth:function(d){if(!d)var d=document;return math.max(math.max(d.body.scrollwidth,d.documentelement.scrollwidth),math.max(d.body.offsetwidth,d.documentelement.offsetwidth),math.max(d.body.clientwidth,d.documentelement.clientwidth))},getdocheight:function(d){if(!d)var d=document;return math.max(math.max(d.body.scrollheight,d.documentelement.scrollheight),math.max(d.body.offsetheight,d.documentelement.offsetheight),math.max(d.body.clientheight,d.documentelement.clientheight))}};var dom={id:function(id){var type=typeof(id);if(type=='object')return id;if(type=='string')return document.getelementbyid(id);return null},inserthtml:function(html){var frag=document.createdocumentfragment();var div=document.createelement("div");div.innerhtml=html;for(var i=0,ii=div.childnodes.length;i<ii;i++){frag.appendchild(div.childnodes[i])}document.body.insertbefore(frag,document.body.firstchild)}};var myevent={add:function(element,type,handler){var ele=dom.id(element);if(!ele)return;if(ele.addeventlistener)ele.addeventlistener(type,handler,false);else if(ele.attachevent)ele.attachevent("on"+type,handler);else ele["on"+type]=handler},remove:function(element,type,handler){var ele=dom.id(element);if(!ele)return;if(ele.removeeventlistener)ele.removeeventlistener(type,handler,false);else if(ele.detachevent)ele.detachevent("on"+type,handler);else ele["on"+type]=null}};var position={rightcenter:function(id){var id=dom.id(id);var ie6=browser.ie6();var win=browser.getwindow();var ele={'height':id.clientheight,'width':id.clientwidth};if(ie6){var scrollbar=browser.getscroll()}else{var scrollbar={'height':0,'width':0};id.style.position='fixed'}ele.top=parseint((win.height-ele.height)/2+scrollbar.height);id.style.top=ele.top+'px';id.style.right='3px'},floatrightcenter:function(id){position.rightcenter(id);var fun=function(){position.rightcenter(id)};if(browser.ie6()){myevent.add(window,'scroll',fun);myevent.add(window,'resize',fun)}else{myevent.add(window,'resize',fun)}},leftcenter:function(id){var id=dom.id(id);var ie6=browser.ie6();var win=browser.getwindow();var ele={'height':id.clientheight,'width':id.clientwidth};if(ie6){var scrollbar=browser.getscroll()}else{var scrollbar={'height':0,'width':0};id.style.position='fixed'}ele.top=parseint((win.height-ele.height)/2+scrollbar.height);id.style.top=ele.top+'px';id.style.left='3px'},floatleftcenter:function(id){position.leftcenter(id);var fun=function(){position.leftcenter(id)};if(browser.ie6()){myevent.add(window,'scroll',fun);myevent.add(window,'resize',fun)}else{myevent.add(window,'resize',fun)}}};

function ad_left(){
    var html;
    html = '<div id="ad_left" style="position:absolute;width:130px;height:300px;z-index:10001"><a style="position:absolute;top:-15px;left:0;" href="javascript:void(0);" onclick="document.getelementbyid(\'ad_left\').style.display=\'none\'">关闭</a><a href="http://mp.weixin.qq.com/s?__biz=mza3oti0mjqxnw==&mid=512833670&idx=1&sn=c07de76633704d976112bf06f31167a6&chksm=04d3ed5833a4644e6627adfc2ba31c268b07950e5d75b3a9d77698222c0f0061d8d0d124bf9e#rd"><img src="/img/2019.png" width="150" height="245" /></a></div>';
    dom.inserthtml(html);position.floatleftcenter('ad_left');
}

myevent.add(window,'load',ad_left);
myevent.add(window,'load',ad_right);