الكود: --------<SCRIPT
LANGUAGE="JavaScript">
<!-- Begin
var no = 50;
var speed
= 1;
var ns4up = (document.layers) ? 1 : 0;
var ie4up =
(document.all) ? 1 : 0;
var s, x, y, sn, cs;
var a, r, cx, cy;
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;
}
x = new Array();
y = new Array();
r
= new Array();
cx = new Array();
cy = new Array();
s = 8;
for
(i = 0; i < no; ++ i) {
initRain();
if (ns4up) {
if (i ==
0) {
document.write("<layer name="dot"+ i +"" left="1" ");
document.write("top="1"
visibility="show"><font color="blue">");
document.write(",</font></layer>");
}
else
{
document.write("<layer name="dot"+ i +"" left="1" ");
document.write("top="1"
visibility="show"><font color="blue">");
document.write(",</font></layer>");

}
}
else
if (ie4up) {
if (i == 0) {
document.write("<div
id="dot"+ i +"" style="POSITION: ");
document.write("absolute;
Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px;
LEFT: 15px;"><font color="blue">");
document.write(",</font></div>");
}
else
{
document.write("<div id="dot"+ i +"" style="POSITION: ");
document.write("absolute;
Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP:
15px; LEFT: 15px;"><font color="blue">");
document.write(",</font></div>");

}
}
}
function initRain() {
a = 6;
r[i] = 1;
sn
= Math.sin(a);
cs = Math.cos(a);
cx[i] = Math.random() *
doc_width + 1;
cy[i] = Math.random() * doc_height + 1;
x[i] = r[i]
* sn + cx[i];
y[i] = cy[i];
}
function makeRain() {
r[i] =
1;
cx[i] = Math.random() * doc_width + 1;
cy[i] = 1;
x[i] =
r[i] * sn + cx[i];
y[i] = r[i] * cs + cy[i];
}
function
updateRain() {
r[i] += s;
x[i] = r[i] * sn + cx[i];
y[i] = r[i]
* cs + cy[i];
}
function raindropNS() {
for (i = 0; i < no;
++ i) {
updateRain();
if ((x[i] <= 1) || (x[i] >=
(doc_width - 20)) || (y[i] >= (doc_height - 20))) {
makeRain();
doc_width
= self.innerWidth;
doc_height = self.innerHeight;
}
document.layers["dot"+i].top
= y[i];
document.layers["dot"+i].left = x[i];
}
setTimeout("raindropNS()",
speed);
}
function raindropIE() {
for (i = 0; i < no; ++ i)
{
updateRain();
if ((x[i] <= 1) || (x[i] >= (doc_width -
20)) || (y[i] >= (doc_height - 20))) {
makeRain();
doc_width =
document.body.clientWidth;
doc_height = document.body.clientHeight;
}
document.all["dot"+i].style.pixelTop
= y[i];
document.all["dot"+i].style.pixelLeft = x[i];
}
setTimeout("raindropIE()",
speed);
}
if (ns4up) {
raindropNS();
}
else
if
(ie4up) {
raindropIE();
}
// End -->
</script>