页面特效之--夜晚的星空
作者：Dynamic Drive 来源：mydowns 添加时间：2006-5-21 9:38:45<style type="text/css">
#sDiv0, #sDiv1, #sDiv2, #sDiv3, #sDiv4, #sDiv5, #sDiv6, #sDiv7, #sDiv8, #sDiv9
{
position:absolute; height:1; width:1; font-family:arial black; font-size:9px; color:#FFFFAA; z-index:10;
}
</style>
<SCRIPT LANGUAGE="JavaScript1.2">
<!--
/*描述: 想象一下把你的页面设计的象黑夜那神秘的太空,流星时不时的划过,该是多么的美丽的一幅画面啊.
而这的确很容易办到.只要把这段源代码存为html文件便完成了.
试试吧!
*/
var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && self.innerWidth && (window.pageXOffset>-1));
//my way of making sure the browser will have what I need
var allDivs = new Array(10);
var documentWidth,documentHeight;
function initAll(){
if(!ns && !ie && !w3) return;
for(dNum=0; dNum<10; ++dNum){
if(ie) allDivs[dNum]=eval('document.all.sDiv'+dNum+'.style');
else if(ns) allDivs[dNum]=eval('document.layers["sDiv'+dNum+'"]');
else if(w3) allDivs[dNum]=eval('document.getElementById("sDiv'+dNum+'").style');
moveTo(dNum,0,0);
}
}
function moveTo(i,tempx,tempy){
if (ie){
documentWidth =document.body.offsetWidth+document.body.scrollLeft-20;
randomy=Math.floor(Math.random()*document.body.offsetHeight)+document.body.scrollTop-20;
}
else if (ns){
documentWidth=window.innerWidth+window.pageXOffset-20;
randomy=Math.floor(Math.random()*window.innerHeight)+window.pageYOffset-20;
}
else if (w3){
documentWidth=self.innerWidth+window.pageXOffset-20;
randomy=Math.floor(Math.random()*self.innerHeight)+window.pageYOffset-20;
}
if(tempx>-50){
tempx-=45;
allDivs[i].left=tempx;
allDivs[i].top =tempy;
setTimeout("moveTo("+i+","+tempx+","+tempy+")",40)
}
else
setTimeout("moveTo("+i+",documentWidth-10,randomy)",2000/i+40);
}
window.onload=initAll
//End-->
</script>
</head>
<BODY aLink=#008000 bgColor=#000000 leftMargin=0 link=#ffff00 text=#ffffff
vLink=#00ff00 marginwidth="0">
<div id="sDiv0">*</div>
<div id="sDiv1">*</div>
<div id="sDiv2">*</div>
<div id="sDiv3">*</div>
<div id="sDiv4">*</div>
<div id="sDiv5">*</div>
<div id="sDiv6">*</div>
<div id="sDiv7">*</div>
<div id="sDiv8">*</div>
<div id="sDiv9">*</div>
</body>
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