<SCRIPT language=JavaScript1.2>
var no = 12;//добавьте колличество листиков 
var speed = 5;//измените скорость падения листьев 
var snowflake = "http://svweb.narod.ru/image/list2.gif";//укажите путь к папке с листьями

var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var dx, xp, yp; 
var am, stx, sty; 
var i, doc_width = 1024, doc_height = 768;
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;         
xp[i] = Math.random()*(doc_width-50); 
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*20;        
stx[i] = 0.02 + Math.random()/20; 
sty[i] = 0.7 + Math.random();   
if (ns4up) {                  
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() { 
for (i = 0; i < no; ++ i) {  
yp[i] += sty[i];
if (yp[i] > doc_height-50) {
xp[i] = Math.random()*(doc_width-am[i]-20);
yp[i] = 0;
stx[i] = 0.02 + Math.random()/30;
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() { 
for (i = 0; i < no; ++ i) { 
yp[i] += sty[i];
if (yp[i] > doc_height-50) {
xp[i] = Math.random()*(doc_width-am[i]-20);
yp[i] = 0;
stx[i] = 0.02 + Math.random()/30;
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();
}
</SCRIPT>

<style type="text/css">
HTML, BODY {
scrollbar-face-color: #000000;
scrollbar-shadow-color: #990000;
scrollbar-highlight-color: #333333;
scrollbar-3dlight-color: #990000;
scrollbar-darkshadow-color: #333333;
scrollbar-track-color: #333333;
scrollbar-arrow-color: #990000; 
}
</style>