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 = 0;
var y = 35;// 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 = 0;
var y = 35;// 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);
}

document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:1'></div>"
+"<div id=AdLayer2 style='position: absolute;visibility:hidden;z-index:1'><img src='/images/20091127.jpg' width='200' height='239' border='0' usemap='#Map2009'> </div>");
document.write("<map name='Map2009'>  <area shape='rect' coords='3,32,196,64' href='images/20091127-1.doc' target='_blank'>  <area shape='rect' coords='3,84,197,125' href='images/20091127-2.doc' target='_blank'>  <area shape='rect' coords='3,145,166,175' href='images/20091127-3.doc' target='_blank'></map>");
initEcAd()// JavaScript Document