كود لعمل خلفية ثلوج متساقطة او أي صورة بديله
الكود:
!-- TWO STEPS TO INSTALL SNOW:
1. Copy the coding into the BODY of your HTML document
2. Save the snow.gif image to your web site directory -->
<STEP>
<BODY>
<script>
<Original>
<Web>
<This>
<The>
<!-- Begin
var no = 25; // snow number
var speed = 10; // smaller number moves the snow faster
var snowflake = "[url=http://www.your-web-site-address-here.com/snow.gif]http://www.your-web-site-address-here.com/snow.gif[/url]";
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[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><img src="" border="0\"></layer>");
} else {
document.write("<layer><img src="" border="0\"></layer>");
}
} else if (ie4up) {
if (i == 0) {
document.write("<div id="dot"><img src="" border="0\"></div>");
} else {
document.write("<div id="dot"><img src="" border="0\"></div>");
}
}
}
function snowNS() { // Netscape main animation function
for (i = 0; i <no> 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()", speed);
}
function snowIE() { // IE main animation function
for (i = 0; i <no> 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()", speed);
}
if (ns4up) {
snowNS();
} else if (ie4up) {
snowIE();
}
// End -->
</script>
<STEP>
<Go>
<p><center>
<font face="arial, helvetica" size="-2">Free Javascripts provided<br>
by <a href="[url=http://javascriptsource.com">The]http://javascriptsource.com">The[/url] Javascript Source</a></font>
</center><p>
<script>