function initEcAd() {
	
document.all.AdLayer1.style.posTop = 0;
document.all.AdLayer1.style.visibility = 'visible'
//document.all.AdLayer1_bg.style.posTop = 0;
//document.all.AdLayer1_bg.style.visibility = 'visible'
//document.all.AdLayer2.style.posTop = -200;
//document.all.AdLayer2.style.visibility = 'visible'
//document.all.AdLayer2_bg.style.posTop = -200;
//document.all.AdLayer2_bg.style.visibility = 'visible'
MoveLeftLayer('AdLayer1');
//MoveLeftLayer('AdLayer1_bg');
//MoveRightLayer('AdLayer2');
//MoveRightLayer('AdLayer2_bg');
}
function MoveLeftLayer(layerName,aaaa) {
var x = document.body.offsetLeft-5;
var y = 50;// 左侧广告距离页首高度
var diff = (document.documentElement.scrollTop + y - document.getElementById(layerName).style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
if(y<410){y=410}
var yz=0
var a1=document.getElementById(layerName).offsetHeight

yz=document.body.offsetHeight - a1 ;

if(y>yz){y=yz}
eval("document.getElementById('" + layerName + "').style.posTop = parseInt(y)");
//eval("document.getElementById('" + layerName + "').style.posLeft = x");
//eval("document.getElementById('AdLayer1_bg').style.posTop = parseInt(y)");
//eval("document.getElementById('AdLayer1_bg').style.posLeft = x");
//document.getElementById("challs").innerHTML+=document.all.AdLayer1.style.posTop+" ";
setTimeout("MoveLeftLayer('AdLayer1');", 20);
}

initEcAd()

// JavaScript Document