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 closeAd(){
	document.all.AdLayer2.style.posTop = -200;
	document.all.AdLayer2.style.visibility = 'hidden'
}
function MoveLeftLayer(layerName) {
var x = 50;
var y = 30;// 左侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.body.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 = 500;
var y = 295;// 右侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;
var y = document.body.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('AdLayer2');", 20);
}

initEcAd()

// JavaScript Document