商务通代码

CSS代码：

* html {
        background-image: url(about:blank);
        background-attachment: fixed;
    }
    body{height:1000px;}
    img{border:0;}
    #swt_c{
        width:455px;
        height:333px;
        position:fixed;
        left:50%;
        top:50%;
        margin-left:-222px;
        margin-top:-165px;
        z-index:9999;
        display:none;
        _position: absolute;
        _top:expression(eval(document.documentElement.scrollTop));
        _left:50%;
        _top:50%;
        _margin-top: 165px;
        _margin-left:-222px;
    }
    #swt_b{
        width:165px;
        height:437px;
        position:fixed;
        right:10px;
        top:150px;
        z-index:9999;
        display:block;
        _position: absolute;
        _top:expression(eval(document.documentElement.scrollTop));
        _margin-top: 100px;
    }

HTML代码

div id="swt_c">
        <img src="http://www.aa.com/aa.jpg" width="455" height="330" usemap="#Map">
        <map name="Map">
            <area shape="rect" coords="0,20,455,333" href="javascript:;" onClick="swt_url();">
            <area shape="rect" coords="435,1,455,20" href="javascript:;" onClick="hide_c();">
        </map>
    </div>
    <div id="swt_b">
        <img src="http://www.aa.com/bb.jpg" width="165" height="437" usemap="#Map2">
        <map name="Map2">
            <area shape="rect" coords="145,1,170,20" href="javascript:;" onClick="hide_b();">
        </map>
    </div>

JS代码

function domReady(fn){//封装domReady，类似于jquery的domReady()
        if(document.addEventListener){
            document.addEventListener(‘DOMContentLoaded‘,function(){
                fn && fn();
            },false);
        }else{
            var oS=document.createElement(‘script‘);
            oS.defer=‘1‘;
            oS.src=‘‘;
            var oHead=document.getElementsByTagName(‘head‘)[0];
            oHead.appendChild(oS);     

            oS.onreadystatechange=function(){
                if(oS.readyState==‘complete‘){
                    fn && fn();
                }  

            }  

        }  

    }
    var timer_c = timer_b = null;
    var timeOut = 1000;//第一次
    var timeInt = 3000;//第二次之后
    function hide_c(){
        clearInterval(timer_c);
        swt_c.style.display="none";
        swt_b.style.display="block";
        timer_c=setInterval(show_c,timeInt);//关闭中间，开启定时器
    }
    function hide_b(){
        clearInterval(timer_b);
        swt_c.style.display="block";
        swt_b.style.display="none";
    }      

    function show_c(){
        clearInterval(timer_c);
        swt_c.style.display="block";
    }
    function show_b(){
        clearInterval(timer_b);
        swt_b.style.display="block";
    }
    function swt_url(){
        window.open("http://www.baidu.com/","_blank")
    }
    domReady(function(){
        var swt_c = document.getElementById(‘swt_c‘);
        var swt_b = document.getElementById(‘swt_b‘);       

        window.onscroll=window.onresize=function(){
            //改变窗口大小或滚动鼠标，清除定时器，从新计时
            clearInterval(timer_c);
            clearInterval(timer_b);
            timer_c=setInterval(show_c,timeInt);    //中间第二次弹出
            timer_b=setInterval(show_b,timeInt);    //边侧第二次弹出
        }
        setTimeout(show_c,timeOut);         //中间第一次弹出
        timer_c=setInterval(show_c,timeInt);    //中间第二次弹出
        timer_b=setInterval(show_b,timeInt);    //边侧第二次弹出
    });