Скрипт делает на страничке, красивый осенний дождь, ставим куда угодно :

Код:
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();      
}      
</script>