document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:1;height: 300px;'><img src='http://www.51testing.cn/gif/close.gif' onClick='javascript:window.hide()' width='100' height='14' border='0' alt='51Testing'><br style='height:3px;' /><a href='http://51testing.zoossoft.net/LR/Chatpre.aspx?id=LHY24243265' target='_blank'><img src='http://www.51testing.cn/gif/SWT.gif' border='0'></a></div>"
+"<div id=AdLayer2 style='position: absolute;visibility:hidden;z-index:1;height: 300px;'><br style='height:3px;' /><a href='http://www.51testing.cn/' target='_blank'></a></div>");
initEcAd()


function initEcAd() {
document.all.AdLayer1.style.posTop = -200;
document.all.AdLayer1.style.visibility = 'visible'
document.all.AdLayer2.style.posTop = -200;
document.all.AdLayer2.style.visibility = 'visible'
MoveLeftLayer('AdLayer1');
MoveRightLayer('AdLayer2');
}
function MoveLeftLayer(layerName) {
var x = 5;
var y = 125;// 左侧广告距离页首高度
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = parseInt(y)");
eval("document.all." + layerName + ".style.posLeft = x");
setTimeout("MoveLeftLayer('AdLayer1');", 20);
}
function MoveRightLayer(layerName) {
var x = 5;
var y = 125;// 右侧广告距离页首高度
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('AdLayer2');", 20);
}
function hide()  
{   
AdLayer1.style.visibility="hidden"; 
AdLayer2.style.visibility="hidden";
}