function initEcAd() {

document.all.AdLayer1.style.posTop = -300;
document.all.AdLayer1.style.visibility = 'visible'
MoveLeftLayer('AdLayer1');
}
function MoveLeftLayer(layerName) {
var x = 877;
var y = 260;// 左侧广告距离页首高度
var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*0.8;
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');", 10);
}
document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:1'><iframe id='masterdiv' src='js/kf.asp' width='127px' height='190px' marginwidth='0' marginheight='0' hspace='0' vspace='0' frameborder='0' scrolling='no' style='position: absolute; left: 2px; top: 3px;'></iframe></div>"
);
initEcAd()