网页中的浮动图片代码

网页中的浮动图片代码
一、没有点击关闭的
<SCRIPT>
var imagepath="图片地址"
var imagewidth=180 //这两行写图片的大小
var imageheight=120
var speed=3;
var imageclick="图片链接地址"
var hideafter=0
var isie=0;
if(window.navigator.appName=="Microsoft Internet
Explorer"&&window.navigator.appVersion.substring(window.navigator.app Version.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.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>
二、有点击关闭的
<div id="img" style="position:absolute; width: 134; height: 77; visibility:visible">
<table width="134" height="77" border="0"
background="images/message_icon.gif">
<tr>
<td width="106" height="17">&nbsp;</td>
<td width="18"><a href=#
onclick="document.all['img'].style.visibility='hidden';">&nbsp;&nbsp; </a></td>
</tr>
<tr>
<td>&nbsp;</td>
<td>&nbsp;</td>
</tr>
</table>
</div>
<script>
var x = 10,y = 60
var xin = true, yin = true
var step = 0.5
var delay = 20
var obj=document.getElementByIdx_x("img")
function floatAD() {
var L=T=0
var R= document.body.clientWidth-obj.offsetWidth
var B = document.body.clientHeight-obj.offsetHeight
obj.style.left = x + document.body.scrollLeft
obj.style.top = y + document.body.scrollTop
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)} </script>。