***综合类***飘雪花效果
把下列代码加到网页的<body></body>标签之间 从google下载我的照片管理软件<html>
<head>
<title>:::飘雪花效果:::网页特效代码:::ik8网络家园http://www.ik8.com</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 = 0; i < no; ++ i) {
dx = 0; // set coordinate variables
xp = math.random()*(doc_width-50);// set position variables
yp = math.random()*doc_height;
am = math.random()*20; // set amplitude variables
stx = 0.02 + math.random()/10; // set step variables
sty = 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://www.ik8.com/\"><img src='"+snowsrc+"' border=\"0\">http://code.ik8.com/html/+snowsrc+</a></layer>");
} else {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><img src='"+snowsrc+"' border=\"0\">http://code.ik8.com/html/+snowsrc+</layer>");
}
} else if (ie4up) {
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"position: absolute; z-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><a href=\"http://www.ik8.com\"><img src='"+snowsrc+"' border=\"0\">http://code.ik8.com/html/+snowsrc+</a></div>");
} else {
document.write("<div id=\"dot"+ i +"\" style=\"position: absolute; z-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><img src='"+snowsrc+"' border=\"0\">http://code.ik8.com/html/+snowsrc+</div>");
}
}
}
function snowns() {// netscape main animation function
for (i = 0; i < no; ++ i) {// iterate for every dot
yp += sty;
if (yp > doc_height-50) {
xp = math.random()*(doc_width-am-30);
yp = 0;
stx = 0.02 + math.random()/10;
sty = 0.7 + math.random();
doc_width = self.innerwidth;
doc_height = self.innerheight;
}
dx += stx;
document.layers["dot"+i].top = yp;
document.layers["dot"+i].left = xp + am*math.sin(dx);
}
settimeout("snowns()", 10);
}
function snowie() {// ie main animation function
for (i = 0; i < no; ++ i) {// iterate for every dot
yp += sty;
if (yp > doc_height-50) {
xp = math.random()*(doc_width-am-30);
yp = 0;
stx = 0.02 + math.random()/10;
sty = 0.7 + math.random();
doc_width = document.body.clientwidth;
doc_height = document.body.clientheight;
}
dx += stx;
document.all["dot"+i].style.pixeltop = yp;
document.all["dot"+i].style.pixelleft = xp + am*math.sin(dx);
}
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">）http://code.ik8.com/html/img/snow.gif</font></td>
</tr>
<tr>
<td width="100%">
</table>
</body>
</html>
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