var m_layer2,m_layer3,m_layer4;
function initMove() {
m_layer2=document.getElementById("AdLayer2");
m_layer3=document.getElementById("fox");
m_layer4=document.getElementById("AdLayer4");
m_layer2.style.top = "-200px";
m_layer2.style.visibility = 'visible'
m_layer3.style.top = "-200px"
m_layer3.style.visibility = 'visible'
m_layer4.style.top = "-200px"
m_layer4.style.visibility = 'visible'

MoveLayers();
window.onscroll=MoveLayers;
}
function MoveLayers() {
var x = 0; // 左右边距
var y = 150; // 顶距
var st=document.documentElement.scrollTop;
var cw=document.documentElement.clientWidth;
var y = st + y;
m_layer4.style.top = y+"px";
m_layer4.style.left = x+"px";

m_layer2.style.top = y+"px";
m_layer2.style.left = cw-m_layer2.clientWidth-x+"px";
m_layer3.style.top = y+"px";
m_layer3.style.left = cw-m_layer3.clientWidth-x+"px";

}
window.setTimeout("initMove()",600);