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("lovexin12").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";
        lastScrollY=lastScrollY+percent; 
        //alert(lastScrollY);
    }
    suspendcode12="
";
    var recontent='
扫一扫加微信
';
    document.write(suspendcode12); 
    document.write(recontent); 
    document.write("
"); 
    window.setInterval("heartBeat()",1);
    function far_close()
    {
        document.getElementById("lovexin12").innerHTML="";
    }
    function setfrme()
    {
        var tr=document.getElementById("lovexin12");
        var twidth=tr.clientWidth;
        var theight=tr.clientHeight;
        var fr=document.getElementById("frame55la");
        fr.width=twidth-1;
        fr.height=theight-30;
    }