N = 40; 
Y = new Array();
X = new Array();
S = new Array();
A = new Array();
B = new Array();
M = new Array();
V = (document.layers)?true:false;

iH = (document.layers)?window.innerHeight:window.document.body.clientHeight;
iW = (document.layers)?window.innerWidth:window.document.body.clientWidth;
for (i = 0; i < N; i++)
{
	Y[i] = Math.round(Math.random()*iH);
	X[i] = Math.round(Math.random()*iW);
	S[i] = Math.round(Math.random()*5 + 2);
	A[i] = 0;
	B[i] = Math.random()*0.1 + 0.1;
	M[i] = Math.round(Math.random()*3 + 1);
}
if (V)
{
	for (i = 0; i < N; i++)
	{
		document.write("<LAYER NAME='sn" +
			i + "' LEFT=0 TOP=0 BGCOLOR='#FFFFFF' CLIP='0,0," +
			M[i] + "," + M[i] + "'></LAYER>");
	}
} else if (document.all)
{
	document.write('<DIV STYLE="position:absolute;top:0px;left:0px">');
	document.write('<DIV STYLE="position:relative">');
	for (i = 0; i < N; i++)
	{
		document.write('<DIV ID="si" STYLE="position:absolute;top:0;left:0;width:' +
		M[i] + ';height:' + M[i] + ';background:#ffffff;font-size:' + M[i] + '"></DIV>');
	}
	document.write('</DIV></DIV>');
}

function snow()
{
	var H = (document.layers)?window.innerHeight:window.document.body.clientHeight;
	var W = (document.layers)?window.innerWidth:window.document.body.clientWidth;
	var T = (document.layers)?window.pageYOffset:document.body.scrollTop;
	var L = (document.layers)?window.pageXOffset:document.body.scrollLeft;
	for (i = 0; i < N; i++)
	{
		sy = S[i]*Math.sin(90*Math.PI/180);
		sx = S[i]*Math.cos(A[i]);
		Y[i] += sy;
		X[i] += sx; 
		if (Y[i] > H)
		{
			Y[i] = -10;
			X[i] = Math.round(Math.random()*W);
			M[i] = Math.round(Math.random()*1 + 1);
			S[i] = Math.round(Math.random()*5 + 2);
		}
		if (V)
		{
			document.layers['sn' + i].left = X[i];
			document.layers['sn' + i].top = Y[i] + T;
		} else if (document.all)
		{
			si[i].style.pixelLeft = X[i];
			si[i].style.pixelTop = Y[i] + T;
		}
		A[i] += B[i];
	}
	setTimeout('snow()', 10);
}