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原代码插入到<body>下面:<script language="JavaScript">
<!--
N = 40;
Y = new Array();
X = new Array();
S = new Array();
A = new Array();
B = new Array();
M = new Array();
V = (document.layers)?1:0; iH=(document.layers)?window.innerHeight:window.document.body.clientHeight;
iW=(document.layers)?window.innerWidth:window.document.body.clientWidth;
for (i=0; i < N; i++){
Y[i]=Math.round(Math.random()*iH);
X[i]=Math.round(Math.random()*iW);
S[i]=Math.round(Math.random()*5+2);
A[i]=0;
B[i]=Math.random()*0.1+0.1;
M[i]=Math.round(Math.random()*1+1);
}
if (V){
for (i = 0; i < N; i++)
{document.write("<LAYER NAME=sn"+i+" LEFT=0 TOP=0 BGCOLOR=#FFFFF0 CLIP=0,0,"+M[i]+","+M[i]+"></LAYER>")}
}
else{
document.write(<div style="position:absolute;top:0px;left:0px">);
document.write(<div style="position:relative">);
for (i = 0; i < N; i++)
{document.write(<div id="si" style="position:absolute;top:0;left:0;width:+M[i]+;height:+M[i]+;background:#fffff0;font-size:+M[i]+"></div>)}
document.write(</div></div>);
}
function snow(){
var H=(document.layers)?window.innerHeight:window.document.body.clientHeight;
var W=(document.layers)?window.innerWidth:window.document.body.clientWidth;
var T=(document.layers)?window.pageYOffset:document.body.scrollTop;
var L=(document.layers)?window.pageXOffset:document.body.scrollLeft;
for (i=0; i < N; i++){
sy=S[i]*Math.sin(90*Math.PI/180);
sx=S[i]*Math.cos(A[i]);
Y[i]+=sy;
X[i]+=sx;
if (Y[i] > H){
Y[i]=-10;
X[i]=Math.round(Math.random()*W);
M[i]=Math.round(Math.random()*1+1);
S[i]=Math.round(Math.random()*5+2);
}
if (V){document.layers[sn+i].left=X[i];document.layers[sn+i].top=Y[i]+T}
else{si[i].style.pixelLeft=X[i];si[i].style.pixelTop=Y[i]+T}
A[i]+=B[i];
}
setTimeout(snow(),10);
}
//-->
</script>
把<body>中的内容改为：
<body bgcolor=#ffffff onl oad="snow()">
<!--
N = 40;
Y = new Array();
X = new Array();
S = new Array();
A = new Array();
B = new Array();
M = new Array();
V = (document.layers)?1:0; iH=(document.layers)?window.innerHeight:window.document.body.clientHeight;
iW=(document.layers)?window.innerWidth:window.document.body.clientWidth;
for (i=0; i < N; i++){
Y[i]=Math.round(Math.random()*iH);
X[i]=Math.round(Math.random()*iW);
S[i]=Math.round(Math.random()*5+2);
A[i]=0;
B[i]=Math.random()*0.1+0.1;
M[i]=Math.round(Math.random()*1+1);
}
if (V){
for (i = 0; i < N; i++)
{document.write("<LAYER NAME=sn"+i+" LEFT=0 TOP=0 BGCOLOR=#FFFFF0 CLIP=0,0,"+M[i]+","+M[i]+"></LAYER>")}
}
else{
document.write(<div style="position:absolute;top:0px;left:0px">);
document.write(<div style="position:relative">);
for (i = 0; i < N; i++)
{document.write(<div id="si" style="position:absolute;top:0;left:0;width:+M[i]+;height:+M[i]+;background:#fffff0;font-size:+M[i]+"></div>)}
document.write(</div></div>);
}
function snow(){
var H=(document.layers)?window.innerHeight:window.document.body.clientHeight;
var W=(document.layers)?window.innerWidth:window.document.body.clientWidth;
var T=(document.layers)?window.pageYOffset:document.body.scrollTop;
var L=(document.layers)?window.pageXOffset:document.body.scrollLeft;
for (i=0; i < N; i++){
sy=S[i]*Math.sin(90*Math.PI/180);
sx=S[i]*Math.cos(A[i]);
Y[i]+=sy;
X[i]+=sx;
if (Y[i] > H){
Y[i]=-10;
X[i]=Math.round(Math.random()*W);
M[i]=Math.round(Math.random()*1+1);
S[i]=Math.round(Math.random()*5+2);
}
if (V){document.layers[sn+i].left=X[i];document.layers[sn+i].top=Y[i]+T}
else{si[i].style.pixelLeft=X[i];si[i].style.pixelTop=Y[i]+T}
A[i]+=B[i];
}
setTimeout(snow(),10);
}
//-->
</script>
把<body>中的内容改为：
<body bgcolor=#ffffff onl oad="snow()">
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