var no = 5;
var speed = 60;
var max_amp = 120;
var snow_rad = 20;
var snowflake = snow.src;
var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var dx, xp, yp;
var am, stx, sty;
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;
am[i] = Math.random()*max_amp;
xp[i] = Math.random()*(doc_width-2*am[i]-snow_rad)+am[i];
yp[i] = Math.random()*doc_height;
stx[i] = 5 + Math.random();
sty[i] = 2 + 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)
		{
			am[i] = Math.random()*max_amp;
			xp[i] = Math.random()*(doc_width-2*am[i]-snow_rad)+am[i];
			yp[i] = 0;
			stx[i] = 5 + Math.random()/10;
			sty[i] = 2 + 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(am[i]+dx[i]);
	}
	setTimeout("snowNS()", speed);
}
function snowIE()
{
	for (i = 0; i < no; ++ i)
	{
		yp[i] += sty[i];
		if (yp[i] > doc_height-50)
		{
			am[i] = Math.random()*max_amp;
			xp[i] = Math.random()*(doc_width-2*am[i]-snow_rad)+am[i];
			yp[i] = 0;
			stx[i] = 5 + Math.random()/10;
			sty[i] = 2 + 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(am[i]+0.005*dx[i]);
	}
	setTimeout("snowIE()", speed);
}
if (ns4up) {
snowNS();
} else if (ie4up) {
snowIE();
}