让广告到处飘.....

<SCRIPT>
var imagepath="http://www.goadmall.com/images/dogad.gif";
var imagewidth=100; //这两行写图片的大小
var imageheight=100;
var speed=3;
var imageclick="http://www.goadmall.com/ad/twodog/"; //这里写点击图片连接到的地址
var hideafter=0;
var isie=0;
if(window.navigator.appName=="Microsoft Internet Explorer")
{
isie=1;
}
else {
isie=0;
}
if(isie){
var preloadit=new Image();
preloadit.src=imagepath;
}
function pop() {
if(isie) {
x=x+dx;
y=y+dy;
oPopup.show(x, y, imagewidth, imageheight);
if(x+imagewidth+5>screen.width) dx=-dx;
if(y+imageheight+5>screen.height) dy=-dy;
if(x<0) dx=-dx;
if(y<0) dy=-dy;
startani=setTimeout("pop();",50);
}
}
function dismisspopup(){
clearTimeout(startani);
oPopup.hide();
}
function dowhat(){
if (imageclick=="dismiss")
dismisspopup();
else
window.open(imageclick);
}
if(isie) {
var x=0,y=0,dx=speed,dy=speed;
var oPopup = window.createPopup();
var oPopupBody = oPopup.document.body;
oPopupBody.style.cursor="hand";
oPopupBody.innerHTML = '<IMG SRC="'+preloadit.src+'">';
oPopup.document.body.onmouseover=new Function("clearTimeout(startani)");
oPopup.document.body.onmouseout=pop;
oPopup.document.body.onclick=dowhat;
pop();
if (hideafter>0)
setTimeout("dismisspopup()",hideafter*1000);
}
</SCRIPT>