<SCRIPT LANGUAGE="JavaScript1.2">     
<!-- Begin     
var no = 25; // количество снежинок     
var speed = 10; // скорость падения снежинок     
var snowflake = "адрес_снежинки";     

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 name=\"dot"+ i +"\" left=\"15\" ");     
document.write("top=\"15\" visibility=\"show\"><img src=\"");     
document.write(snowflake + "\" border=\"0\"></layer>");     
} else {     
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");     
document.write("top=\"15\" visibility=\"show\"><img src=\"");     
document.write(snowflake + "\" border=\"0\"></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;\"><img src=\"");     
document.write(snowflake + "\" border=\"0\"></div>");     
} else {     
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");     
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");     
document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");     
document.write(snowflake + "\" border=\"0\"></div>");     
}     
}     
}     
function snowNS() { // Netscape main animation function     
for (i = 0; i < 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()", speed);     
}     
function snowIE() { // IE main animation function     
for (i = 0; i < 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()", speed);     
}     
if (ns4up) {     
snowNS();     
} else if (ie4up) {     
snowIE();     
}     
// End -->     
</script>