<html>
<head>
<script src="http://www.ren3.cn/Snow Demo/jsized.snow.min.js" type="text/javascript"></script>
<script>
/**
* This function takes 2 arguments
* First is the path to the directory with snowflake images
* Second is the maximum number of snowflakes, please do not
* set this number above 60 as it will impact the performance
*/
createSnow("", 60)//目录改为当前目录
</script>
</head>
<body>
测试
</body>
</html>
2、在该网页目录 下 新添加 四张雪花图片 命名规则（snow0.gif snow1.gif snow2.gif snow3.gif）
下面是雪花飘落的js代码拷进去就好了，或者调用！！！！
<script language="JavaScript">
<!--
N =20
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=0i <Ni++){
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+7)
}
if (V){
for (i = 0i <Ni++)
{document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,"+M[i]+","+M[i]+"'z-index: 1><font color=white size=3 face='Wingdings'>T</font></LAYER>")}
}
else{
document.write('<div style="position:absolutetop:0pxleft:0pxz-index: 1">')
document.write('<div style="position:relativez-index: 1">')
for (i = 0i <Ni++)
{document.write('<div id="si" style="position:absolutez-index: 1top:0left:0width:'+M[i]+'height:'+M[i]+'font-size:'+M[i]+'"><font color=white size=3 face="Wingdings">T</font></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=0i <Ni++){
sy=S[i]
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+7)
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()',40)
}
snow()
//-->
</script>
