原代码插入到
1<body>下面:<script language="JavaScript">
2<!--
3N = 40;
4Y = new Array();
5X = new Array();
6S = new Array();
7A = new Array();
8B = new Array();
9M = new Array();
10V = (document.layers)?1:0; iH=(document.layers)?window.innerHeight:window.document.body.clientHeight;
11iW=(document.layers)?window.innerWidth:window.document.body.clientWidth;
12for (i=0; i < N; i++){
13Y[i]=Math.round(Math.random()*iH);
14X[i]=Math.round(Math.random()*iW);
15S[i]=Math.round(Math.random()*5+2);
16A[i]=0;
17B[i]=Math.random()*0.1+0.1;
18M[i]=Math.round(Math.random()*1+1);
19}
20if (V){
21for (i = 0; i < N; i++)
22{document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,"+M[i]+","+M[i]+"'></LAYER>")}
23}
24else{
25document.write('<div style="position:absolute;top:0px;left:0px">');
26document.write('<div style="position:relative">');
27for (i = 0; i < N; i++)
28{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>')}
29document.write('</div></div>');
30}
31function snow(){
32var H=(document.layers)?window.innerHeight:window.document.body.clientHeight;
33var W=(document.layers)?window.innerWidth:window.document.body.clientWidth;
34var T=(document.layers)?window.pageYOffset:document.body.scrollTop;
35var L=(document.layers)?window.pageXOffset:document.body.scrollLeft;
36for (i=0; i < N; i++){
37sy=S[i]*Math.sin(90*Math.PI/180);
38sx=S[i]*Math.cos(A[i]);
39Y[i]+=sy;
40X[i]+=sx;
41if (Y[i] > H){
42Y[i]=-10;
43X[i]=Math.round(Math.random()*W);
44M[i]=Math.round(Math.random()*1+1);
45S[i]=Math.round(Math.random()*5+2);
46}
47if (V){document.layers['sn'+i].left=X[i];document.layers['sn'+i].top=Y[i]+T}
48else{si[i].style.pixelLeft=X[i];si[i].style.pixelTop=Y[i]+T}
49A[i]+=B[i];
50}
51setTimeout('snow()',10);
52}
53//-->
54</script>
55把<body>中的内容改为：
56<body bgcolor="#ffffff" onload="snow()"></body></body></body>