lastScrollY=0;
    function heartBeat(){
    var diffY;
    if (document.documentElement && document.documentElement.scrollTop)
    diffY = document.documentElement.scrollTop;
    else if (document.body)
    diffY = document.body.scrollTop
    else
    {/*Netscape stuff*/}

    //alert(diffY);
    percent=.1*(diffY-lastScrollY);
    if(percent>0)percent=Math.ceil(percent);
    else percent=Math.floor(percent);
    document.getElementById("ALayer1").style.top=parseInt(document.getElementById("ALayer1").style.top)+percent+"px";
    document.getElementById("ALayer2").style.top=parseInt(document.getElementById("ALayer2").style.top)+percent+"px";
    document.getElementById("ALayer3").style.top=parseInt(document.getElementById("ALayer3").style.top)+percent+"px";
    document.getElementById("ALayer4").style.top=parseInt(document.getElementById("ALayer3").style.top)+percent+"px";

    lastScrollY=lastScrollY+percent;
    //alert(lastScrollY);
    }
    
    suspendcode12="<div id='ALayer1' style='left:0px;PosITION:absolute;TOP:10px; width:140px; height:485px; display:none; background:url(http://www.changyuonline.com/image/bannerLeft.gif) no-repeat;'><div style='text-align:right; margin-right:3px; margin-top:3px;'><span style='font-family:Wingdings 2; font-size:20px; color:#FFFFFF; cursor:default;' onclick='closeBannerLeft()'>T</span></div></div>"
    suspendcode14="<div id='ALayer2' style='right:0px;PosITION:absolute;TOP:10px;background:#ffffff;z-index:5;border:1px solid #600002;display:none; width:95px;'><div style='text-align:right; height:18px; background:url(http://www.changyuonline.com/image/zxdg.gif)'></div><div><table width='95' height='100%' border='0' style='font-size:8pt;text-align:center;'><tr><td height='40' colspan='2'><img src='http://www.changyuonline.com/image/kf_icon.jpg' /></td></tr><tr><td width='20%' align='right'><img src='http://wpa.qq.com/pa?p=1:814495611:4' /></td><td><a href='http://wpa.qq.com/msgrd?V=1&Uin=814495611&Exe=QQ&Site=www.changyuonline.com&Menu=yes' target='_blank'>网站咨询</a></td></tr><tr><td width='20%' align='right'><img src='http://wpa.qq.com/pa?p=1:95710675:4' /></td><td><a href='http://wpa.qq.com/msgrd?V=1&Uin=95710675&Exe=QQ&Site=www.changyuonline.com&Menu=yes' target='_blank'>产品导购</a></td></tr><tr><td width='20%' align='right'><img src='http://wpa.qq.com/pa?p=1:1147379972:4' /></td><td><a href='http://wpa.qq.com/msgrd?V=1&Uin=1147379972&Exe=QQ&Site=www.changyuonline.com&Menu=yes' target='_blank'>个性化定制</a></td></tr></table></div><div style='text-align:center'><img src='http://www.changyuonline.com/image/close.jpg' onclick='closeBannerRight()' style='cursor:pointer' /></div></div>"
    suspendcode16="<div id='ALayer3' style='right:0px;PosITION:absolute;TOP:10px;background:#ffffff;z-index:5;width:20px;' onclick='showBannerRight()'><img src='http://www.changyuonline.com/image/showBannerRight.gif' style='cursor:pointer' /></div>";
    suspendcode18="<div id='ALayer4' style='left:0px;PosITION:absolute;TOP:10px;background:#ffffff;z-index:5;width:20px;' onclick='showBannerLeft()'><img src='http://www.changyuonline.com/image/bannerLeft1.gif' style='cursor:pointer' /></div>";
    document.write(suspendcode12);
    document.write(suspendcode14);
    document.write(suspendcode16);
    document.write(suspendcode18);
    window.setInterval("heartBeat()",1);
    
    function closeBannerLeft()
    {
        document.getElementById("ALayer1").style.display= 'none';
        document.getElementById("ALayer4").style.display= 'block';
    }
    function closeBannerRight()
    {
        document.getElementById("ALayer2").style.display= 'none';
        document.getElementById("ALayer3").style.display= 'block';
    }
    function showBannerLeft()
    {
        document.getElementById("ALayer1").style.display= 'block';
        document.getElementById("ALayer4").style.display= 'none';
    }
    function showBannerRight()
    {
        document.getElementById("ALayer2").style.display= 'block';
        document.getElementById("ALayer3").style.display= 'none';
}