[代码]跨窗口漂浮JavaScript代码

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>跨窗口漂浮窗口</title>
<SCRIPT LANGUAGE="JAVASCRIPT">
var imagepath="http://xindaima.cn/images/logo.jpg"
var imagewidth=110 //这两行写图片的大小
var imageheight=50
var speed=3;
var imageclick="http://xindaima.cn" //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"&&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=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.cr&#101;atePopup();
var oPopupBody = oPopup.document.body;
oPopupBody.style.cursor="hand"
oPopupBody.innerHTML = &#39;<IMG SRC="&#39;+preloadit.src+&#39;">&#39;;
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>
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