<html>
<head>
<title>:::飘雪花效果:::网页特效代码:::失落网家园http://livehe.51.net/</title>
</head>
<BODY bgcolor="#000000">
<SCRIPT language=JavaScript1.2>
var snowsrc="img/snow.gif"
var no = 10
var ns4up = (document.layers) ? 1 : 0 // browser sniffer
var ie4up = (document.all) ? 1 : 0
var dx, xp, yp // coordinate and position variables
var am, stx, sty // amplitude and step variables
var i, doc_width = 800, doc_height =600
if (ns4up) {
doc_width = self.innerWidth
doc_height = self.innerHeight
} else if (ie4up) {
doc_width = document.body.clientWidth
doc_height = document.body.clientHeight
}
dx = new Array()
xp = new Array()
yp = new Array()
am = new Array()
stx = new Array()
sty = new Array()
for (i = 0i <no++ i) {
dx[i] = 0 // set coordinate variables
xp[i] = Math.random()*(doc_width-50) // set position variables
yp[i] = Math.random()*doc_height
am[i] = Math.random()*20// set amplitude variables
stx[i] = 0.02 + Math.random()/10// set step variables
sty[i] = 0.7 + Math.random()// set step variables
if (ns4up) { // set layers
if (i == 0) {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><a href=\"http://livehe.51.net//\"><img src='"+snowsrc+"' border=\"0\"></a></layer>")
} else {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><img src='"+snowsrc+"' border=\"0\"></layer>")
}
} else if (ie4up) {
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absoluteZ-INDEX: "+ i +"VISIBILITY: visibleTOP: 15pxLEFT: 15px\"><a href=\"http://livehe.51.net/\"><img src='"+snowsrc+"' border=\"0\"></a></div>")
} else {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absoluteZ-INDEX: "+ i +"VISIBILITY: visibleTOP: 15pxLEFT: 15px\"><img src='"+snowsrc+"' border=\"0\"></div>")
}
}
}
function snowNS() { // Netscape main animation function
for (i = 0i <no++ i) { // iterate for every dot
yp[i] += sty[i]
if (yp[i] >doc_height-50) {
xp[i] = Math.random()*(doc_width-am[i]-30)
yp[i] = 0
stx[i] = 0.02 + Math.random()/10
sty[i] = 0.7 + Math.random()
doc_width = self.innerWidth
doc_height = self.innerHeight
}
dx[i] += stx[i]
document.layers["dot"+i].top = yp[i]
document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i])
}
setTimeout("snowNS()", 10)
}
function snowIE() { // IE main animation function
for (i = 0i <no++ i) { // iterate for every dot
yp[i] += sty[i]
if (yp[i] >doc_height-50) {
xp[i] = Math.random()*(doc_width-am[i]-30)
yp[i] = 0
stx[i] = 0.02 + Math.random()/10
sty[i] = 0.7 + Math.random()
doc_width = document.body.clientWidth
doc_height = document.body.clientHeight
}
dx[i] += stx[i]
document.all["dot"+i].style.pixelTop = yp[i]
document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i])
}
setTimeout("snowIE()", 10)
}
if (ns4up) {
snowNS()
} else if (ie4up) {
snowIE()
}
</SCRIPT>
<table border="0" width="100%" cellpadding="0">
<tr>
<td width="100%"><font color="#ffffff" size="2"><b>飘雪花效果</b>注意保存这个图片（<img border="1" src="img/snow.gif" width="16" height="17">）</font></td>
</tr>
<tr>
<td width="100%">
</table>
<script language="JavaScript" type="text/javascript" src="js.js"></script><tr></body>
</html>
脚本说明:
把如下代码加入<body>区域中
<SCRIPT LANGUAGE="JavaScript1.2">
<!-- Begin
var no = 12// number of hearts
var speed = 10// smaller number moves the hearts faster
var heart = "photo/5.gif"
var flag
var ns4up = (document.layers) ? 1 : 0 // browser sniffer
var ie4up = (document.all) ? 1 : 0
var dx, xp, yp // coordinate and position variables
var am, stx, sty // amplitude and step variables
var i, doc_width = 800, doc_height = 600
if (ns4up) {
doc_width = self.innerWidth
doc_height = self.innerHeight
} else if (ie4up) {
doc_width = document.body.clientWidth
doc_height = document.body.clientHeight
}
dx = new Array()
xp = new Array()
yp = new Array()
amx = new Array()
amy = new Array()
stx = new Array()
sty = new Array()
flag = new Array()
for (i = 0i <no++ i) {
dx[i] = 0 // set coordinate variables
xp[i] = Math.random()*(doc_width-30)+10 // set position variables
yp[i] = Math.random()*doc_height
amy[i] = 12+ Math.random()*20// set amplitude variables
amx[i] = 10+ Math.random()*40
stx[i] = 0.02 + Math.random()/10// set step variables
sty[i] = 0.7 + Math.random()// set step variables
flag[i] = (Math.random()>0.5)?1:0
if (ns4up) { // set layers
if (i == 0) {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ")
document.write("top=\"15\" visibility=\"show\"><img src=\"")
document.write(heart+ "\" border=\"0\"></layer>")
} else {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ")
document.write("top=\"15\" visibility=\"show\"><img src=\"")
document.write(heart+ "\" border=\"0\"></layer>")
}
} else
if (ie4up) {
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ")
document.write("absoluteZ-INDEX: "+ i +"VISIBILITY: ")
document.write("visibleTOP: 15pxLEFT: 15px\"><img src=\"")
document.write(heart+ "\" border=\"0\"></div>")
} else {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ")
document.write("absoluteZ-INDEX: "+ i +"VISIBILITY: ")
document.write("visibleTOP: 15pxLEFT: 15px\"><img src=\"")
document.write(heart+ "\" border=\"0\"></div>")
}
}
}
function snowNS() { // Netscape main animation function
for (i = 0i <no++ i) { // iterate for every dot
if (yp[i] >doc_height-50) {
xp[i] = 10+ Math.random()*(doc_width-amx[i]-30)
yp[i] = 0
flag[i]=(Math.random()<0.5)?1:0
stx[i] = 0.02 + Math.random()/10
sty[i] = 0.7 + Math.random()
doc_width = self.innerWidth
doc_height = self.innerHeight
}
if (flag[i])
dx[i] += stx[i]
else
dx[i] -= stx[i]
if (Math.abs(dx[i]) >Math.PI) {
yp[i]+=Math.abs(amy[i]*dx[i])
xp[i]+=amx[i]*dx[i]
dx[i]=0
flag[i]=!flag[i]
}
document.layers["dot"+i].top = yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i]))
document.layers["dot"+i].left = xp[i] + amx[i]*dx[i]
}
setTimeout("snowNS()", speed)
}
function snowIE() { // IE main animation function
for (i = 0i <no++ i) { // iterate for every dot
if (yp[i] >doc_height-50) {
xp[i] = 10+ Math.random()*(doc_width-amx[i]-30)
yp[i] = 0
stx[i] = 0.02 + Math.random()/10
sty[i] = 0.7 + Math.random()
flag[i]=(Math.random()<0.5)?1:0
doc_width = document.body.clientWidth
doc_height = document.body.clientHeight
}
if (flag[i])
dx[i] += stx[i]
else
dx[i] -= stx[i]
if (Math.abs(dx[i]) >Math.PI) {
yp[i]+=Math.abs(amy[i]*dx[i])
xp[i]+=amx[i]*dx[i]
dx[i]=0
flag[i]=!flag[i]
}
document.all["dot"+i].style.pixelTop = yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i]))
document.all["dot"+i].style.pixelLeft = xp[i] + amx[i]*dx[i]
}
setTimeout("snowIE()", speed)
}
if (ns4up) {
snowNS()
} else if (ie4up) {
snowIE()
}
// End -->
</script>
// 雪花图片请自备一下
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