Код:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">    
<html xmlns="http://www.w3.org/1999/xhtml">    
<head>    
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251" />    
<title>Огонь за курсором</title>    

<style type="text/css"><!--    
.s1,.s2,.s3,.s4 {position: absolute; visibility: hidden;}    
.s1 {font-size: 10pt; color: blue;}    
.s2 {font-size: 18pt; color: red;}    
.s3 {font-size: 14pt; color: gold;}    
.s4 {font-size: 12pt; color: lime;}    
-->    
</style>    

</head>    

<body>    
<p><a href="http://aeweb.ru/">Портал для вебмастеров</a></p>    

<center>    
<div id="div1" class="s1">**</div><div id="div2" class="s2">*</div>    
<div id="div3" class="s3">**</div><div id="div4" class="s4">**</div>    

<script language="javascript" type="text/javascript"><!--    
var nav = (document.layers);    
var tmr = null;    
var spd = 50;    
var x = 0;    
var x_offset = 5;    
var y = 0;    
var y_offset = 15;    

if (nav) document.captureEvents(Event.MOUSEMOVE);    

document.onmousemove = get_mouse;    

function get_mouse(e) {    
x = (nav) ? e.pageX : event.clientX + document.body.scrollLeft; y = (nav) ? e.pageY : event.clientY + document.body.scrollTop; x += x_offset; y += y_offset;    
beam(1);    
}    

function beam(n) {    
if(n < 5) {    
if(nav) {    
eval("document.div" + n+".top=" + y);eval("document.div" + n + ".left=" + x);    
eval("document.div" + n + ".visibility='visible'");    
}    
else {    
eval("div" + n + ".style.top=" + y);    
eval("div" + n + ".style.left=" + x);    
eval("div" + n + ".style.visibility='visible'");    
}    

n++;    
tmr = setTimeout("beam(" + n + ")", spd);    
}    
else {    
clearTimeout(tmr);    
fade(4);    
}    
}    

function fade(n) {    
if(n > 0) {    
if(nav) eval("document.div" + n + ".visibility='hidden'");    
else eval("div" + n + ".style.visibility='hidden'");    
n--;    
tmr = setTimeout("fade(" + n + ")", spd);    
}    
else clearTimeout(tmr);    
}    
//--></script>    
</center>    

</body>    
</html>

Думаю скрин не нужен там летаю снежинки типа * * *