求页面浮动的广告图片的代码

解决方案 »

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<style type="text/css">

</style><script type="text/javascript">
adTime=10; // seconds ad reminder is shown
chanceAd=1; // ad will be shown 1 in X times (put 1 for everytime)var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && !ie);
var calunit=ns? "" : "px"
adCount=0;
function initAd(){
if(!ns && !ie && !w3) return;
if(ie) adDiv=eval('document.all.sponsorAdDiv.style');
else if(ns) adDiv=eval('document.layers["sponsorAdDiv"]');
else if(w3) adDiv=eval('document.getElementById("sponsorAdDiv").style');
randAd=Math.ceil(Math.random()*chanceAd);
 if (ie||w3)
 adDiv.visibility="visible";
 else
 adDiv.visibility ="show";
if(randAd==1) showAd();
}
function showAd(){
if(adCount<adTime*10){adCount+=1;
if (ie){
documentWidth =truebody().offsetWidth/2+truebody().scrollLeft-20;
documentHeight =truebody().offsetHeight/2+truebody().scrollTop-20;
}
else if (ns){documentWidth=window.innerWidth/2+window.pageXOffset-20;
documentHeight=window.innerHeight/2+window.pageYOffset-20;}
else if (w3){documentWidth=self.innerWidth/2+window.pageXOffset-20;
documentHeight=self.innerHeight/2+window.pageYOffset-20;}
adDiv.left=documentWidth+calunit;
adDiv.top =documentHeight-200+calunit;
setTimeout("showAd()",100);
}else
closeAd();
}
function closeAd(){
if (ie||w3)
adDiv.display="none";
else
adDiv.visibility ="hide";
}function truebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}onload=initAd;
//End-->
</script>
<div id="sponsorAdDiv" style="visibility:hidden">
<table width="450px" height="350px" bgcolor="#008000"><tr><td>
<table width="445px" height="345px" bgcolor="#F0FFF0"><tr><td align="center" valign="middle">
<A HREF="http://www.amazon.com/exec/obidos/redirect-home/wa0c?tag-id=wa0c&placement=home-btn-100x70.gif&site=amazon">
<IMG SRC="2.gif"></A>Please take time to show your support 
for this site by visiting one 
of our sponsors during this brief intermission.

<A HREF="2.gif">
<IMG SRC="2.gif"></A>
(This announcement will close shortly)
 
</td></tr></table></td></tr></table>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 </div>
浮动的图片（一动一固定）好
<body>
<div style="width:100px;height:1200px;"></div>
<div id="float" style="width:100px;height:100px;position:absolute;border:solid 1px black;right:0px;top:100px"></div>
<div id="random-float" style="width:100px;height:100px;position:absolute;border:solid 1px black;left:0px;top:0px"></div>
<script type="text/javascript">
var horizonalUnit=1;
var verticalUnit=1;
var interval=5;
var scrollY=0;document.body.onscroll=function()
{
var obj=document.getElementById("float");
obj.style.top=document.body.scrollTop+100;
}setTimeout(randFloat,interval);function randFloat()
{
var obj=document.getElementById("random-float");
var offsetY=0;
if(obj.style.pixelLeft+horizonalUnit+100>document.body.clientWidth||obj.style.pixelLeft+horizonalUnit<0)
horizonalUnit=0-horizonalUnit;
if(obj.style.pixelTop+verticalUnit+100>document.body.clientHeight+document.body.scrollTop||obj.style.pixelTop+verticalUnit<document.body.scrollTop)
verticalUnit=0-verticalUnit;
if(scrollY!=document.body.srcollTop)
{
offsetY=document.body.scrollTop-scrollY;
scrollY=document.body.scrollTop;
}obj.style.pixelLeft+=horizonalUnit;
obj.style.pixelTop+=verticalUnit+offsetY;
window.status=document.body.clientWidth+","+document.body.clientHeight+":"+(obj.style.pixelTop+verticalUnit+100)+":"+verticalUnit;
setTimeout(randFloat,interval);
}
</script>
</body>