// JScript 文件
window.onscroll = adlayout;
window.onresize = adlayout;
var adwidth;
function adlayout()
{
    var divLeft = document.getElementById("left");
    var divRight = document.getElementById("right");
    var divCenter = document.getElementById("container");
    divLeft.style.top = document.body.scrollTop;
    divLeft.style.left = divCenter.offsetLeft-adwidth;
    divRight.style.top = document.body.scrollTop;
    divRight.style.left = divCenter.offsetWidth + divCenter.offsetLeft+5;
}