//Snow - http://www.btinternet.com/~kurt.grigg/javascript

if  ((document.getElementById) && window.addEventListener || window.attachEvent) {(function() {

//Configure here.

//var num = 30;   //Number of flakes
var num = 50;   //Number of flakes
var timer = 15; //setTimeout speed. Varies on different comps
var enableinNS6 = 1 //Enable script in NS6/Mozilla? Snow animation could be slow in those browsers. (1=yes, 0=no).

//End.

var y = [];
var x = [];
var fall = [];
var theFlakes = [];
var sfs = [];
var step = [];
var currStep = [];
var h, w, r;
var d = document;
var pix = "px";
var domWw = (typeof window.innerWidth == "number");
var domSy = (typeof window.pageYOffset == "number");
var idx = d.getElementsByTagName('div').length;

if (d.documentElement.style && typeof d.documentElement.style.MozOpacity == "string") num = 12;

for (i = 0; i < num; i++) {
	sfs[i] = Math.round(2 + Math.random() * 1);

	//document.write('<div id="flake' + (idx + i) + '" style="position: absolute; top: 0px; left: 0px; width: ' + sfs[i] + 'px; height: ' + sfs[i] + 'px; background-color: #ffffff; font-size: ' + sfs[i] + 'px"><\/div>');
	document.write('<div id="flake' + (idx + i) + '" style="position: absolute; top: 0px; left: 0px; color: white; font-size: 25px;">*<\/div>');

	currStep[i] = 0;
	fall[i] = (sfs[i] == 1)? Math.round(2 + Math.random() * 2): Math.round(3 + Math.random() * 2);
	step[i] = (sfs[i] == 1)? 0.05 + Math.random() * 0.1 : 0.05 + Math.random() * 0.05 ;
}

if (domWw) {
	r = window;
} else { 
	if (d.documentElement && typeof d.documentElement.clientWidth == "number" &&  d.documentElement.clientWidth != 0) {
		r = d.documentElement;
	} else { 
		if (d.body && typeof d.body.clientWidth == "number") r = d.body;
	}
}

function winsize() {
	var oh, sy, ow, sx, rh, rw;

	if (domWw) {
		if (d.documentElement && d.defaultView && typeof d.defaultView.scrollMaxY == "number") {
			oh = d.documentElement.offsetHeight;
			sy = d.defaultView.scrollMaxY;
			ow = d.documentElement.offsetWidth;
			sx = d.defaultView.scrollMaxX;
			rh = oh-sy;
			rw = ow-sx;
		} else {
			rh = r.innerHeight;
			rw = r.innerWidth;
		}
		h = rh - 2;  
		//w = rw - 2;
		w = rw - 25;
	} else {
		h = r.clientHeight - 2; 
		//w = r.clientWidth - 2; 
		w = r.clientWidth - 25;
	}
}

function scrl(yx) {
	var y, x;

	if (domSy) {
		y = r.pageYOffset;
		x = r.pageXOffset;
	} else {
		y = r.scrollTop;
		x = r.scrollLeft;
	}
	return (yx == 0)? y: x;
}

function snow() {
	var dy, dx;

	for (i = 0; i < num; i++) {
		dy = fall[i];
		dx = fall[i] * Math.cos(currStep[i]);

		y[i] += dy;
		x[i] += dx;

		if (x[i] >= w || y[i] >= h) {
			y[i] = -10;
			x[i] = Math.round(Math.random() * w);
			fall[i] = (sfs[i] == 1)? Math.round(2 + Math.random() * 2): Math.round(3 + Math.random() * 2);
			step[i] = (sfs[i] == 1)? 0.05 + Math.random() * 0.1 : 0.05 + Math.random() * 0.05;
		}
 
		theFlakes[i].top = y[i] + scrl(0) + pix;
		theFlakes[i].left = x[i] + scrl(1) + pix;

		currStep[i] += step[i];
	}

	setTimeout(snow,timer);
}

function init() {
	winsize();

	for (i = 0; i < num; i++) {
		theFlakes[i] = document.getElementById("flake"+(idx+i)).style;
		y[i] = Math.round(Math.random()*h);
		x[i] = Math.round(Math.random()*w);
	}
	snow();
}

if (window.addEventListener) {
	window.addEventListener("resize",winsize,false);
	window.addEventListener("load",init,false);
} else if (window.attachEvent){
	window.attachEvent("onresize",winsize);
	window.attachEvent("onload",init);
} 

})();
}//End.