var s="<div id=AdLayer style='position:absolute; width:61px; height:59px; z-index:20; visibility:hidden;; left: 10px; top: 300px'> "
s+="<a href='tencent://message/?uin=553751682&Site=咨询&Menu=yes&title=武汉英特机械有限公司' target='_blank'><img src='qq.jpg' border='0'></a></div>"
document.write(s);

initAd();//载入页面后，调用函数initAd() 

function initAd() { 
document.all.AdLayer.style.posTop = -200;//设置onLoad事件激发以后，广告层相对于固定后的y方向位置 
document.all.AdLayer.style.visibility = 'visible'//设置层为可见 
MoveLayer('AdLayer');//调用函数MoveLayer() 
} 
var xx=document.body.clientWidth-110;
function MoveLayer(layerName) { 
var x = xx;//浮动广告层固定于浏览器的x方向位置 
var y = 300;//浮动广告层固定于浏览器的y方向位置 
var diff = (document.body.scrollTop + y - document.all.AdLayer.style.posTop)*.40; 
var y = document.body.scrollTop + y - diff; 
eval("document.all." + layerName + ".style.posTop = y"); 
eval("document.all." + layerName + ".style.posLeft = x");//移动广告层 
setTimeout("MoveLayer('AdLayer');", 20);//设置20毫秒后再调用函数MoveLayer() 
}