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 = 5;
var y = 50;// 左侧广告距离页首高度
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.documentElement.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 = 5;
var y = 50;// 右侧广告距离页首高度
var diff = (document.documentElement.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;
var y = document.documentElement.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = y");
eval("document.all." + layerName + ".style.posRight = x");
setTimeout("MoveRightLayer('AdLayer2');", 20);
}

function left() {
AdLayer1.style.visibility='hidden';

}
function right() {
AdLayer2.style.visibility='hidden';
}
function dl(istrue,pic1,pic2,link1,link2) {
    if(istrue=="1")
    {
    document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:1'><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td algin=center><a href=\"javascript:left();\" ><img src=\"images/close.gif\" border=0 style=\"z-index:2;position:absolute;left:10px\"/></a><a href="+link1+" target='_blank'><img src="+pic1+" border='0' style=\"z-index:1;position:absolute;left:10px\"></a></td></tr></table> </div>"
    +"<div id=AdLayer2 style='position: absolute;visibility:hidden;z-index:1'><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td align=center><a href=\"javascript:right();\" ><img src=\"images/close.gif\" border=0 style=\"z-index:2;position:absolute;right:10px\"/></a><a href="+link2+" target='_blank'><img src="+pic2+" border='0' style=\"z-index:1;position:absolute;right:10px\"></a></td></tr></table></div>");
    initEcAd()
    }
}