广告代码，在整个win窗口漂浮的，IE最小化了仍然有效
RT，代码也很简洁，不过我没验证在非IE内核浏览器中是否有效演示：http://vdigit.mireene.com/demo/ad.htm
code:
<body>
<SCRIPT>
var p_w_picpathpath="http://www.jgwy.net/bbs/p_w_picpath/wind/logo.gif"
var p_w_picpathwidth=200
var p_w_picpathheight=70
var speed=3;
var p_w_picpathclick="http://www.jgwy.net/bbs/login.php?action=quit"
var hideafter=0
var isie=0;
if(window.navigator.appName=="Microsoft Internet Explorer"&&window.navigator.appVersion.substring(window.navigator.appVersion.indexOf("MSIE")+5,window.navigator.appVersion.indexOf("MSIE")+8)>=5.5) {
isie=1;
}
else {
isie=0;
}
if(isie){
var preloadit=new Image()
preloadit.src=p_w_picpathpath
}
function pop() {
if(isie) {
x=x+dx;y=y+dy;
oPopup.show(x, y, p_w_picpathwidth, p_w_picpathheight);
if(x+p_w_picpathwidth+5>screen.width) dx=-dx;
if(y+p_w_picpathheight+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 (p_w_picpathclick=="dismiss")
dismisspopup()
else
window.open(p_w_picpathclick);
}
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>