function initEcAd() {
document.all.AdLayer1.style.posTop = 200;
document.all.AdLayer1.style.visibility = 'visible'

MoveRightLayer('AdLayer1');
}

function MoveRightLayer(layerName) {
var x =2;
var y = 270;// 右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 = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('AdLayer1');", 20);

}
document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:20'><IFRAME WIDTH=111 height=142 MARGINWIDTH=0 MARGINHEIGHT=0 HSPACE=0 VSPACE=0 FRAMEBORDER=0 SCROLLING=no SRC='/online.htm' allowTransparency=true></IFRAME></div>"
);

initEcAd()// JavaScript Document