網頁特傚:星空背景
<script LANGUAGE="Javascript1.2">
var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && self.innerWidth && (window.pageXOffset>-1));
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
</script>
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