var SNOW_Picture = "http://www.dzikigon.xip.pl/16.png"
var SNOW_no = 15;

var SNOW_browser_IE_NS = (document.body.clientHeight) ? 1 : 0;
var SNOW_browser_MOZ = (self.innerWidth) ? 1 : 0;
var SNOW_browser_IE7 = (document.documentElement.clientHeight) ? 1 : 0;

var SNOW_Time;
var SNOW_dx, SNOW_xp, SNOW_yp;
var SNOW_am, SNOW_stx, SNOW_sty;
var i, SNOW_Browser_Width, SNOW_Browser_Height;

if (SNOW_browser_IE_NS) {
	SNOW_Browser_Width = document.body.clientWidth;
	SNOW_Browser_Height = document.body.clientHeight;
} else if (SNOW_browser_MOZ) {
	SNOW_Browser_Width = self.innerWidth - 20;
	SNOW_Browser_Height = self.innerHeight;
} else if (SNOW_browser_IE7) {
	SNOW_Browser_Width = document.documentElement.clientWidth;
	SNOW_Browser_Height = document.documentElement.clientHeight;
}

SNOW_dx = new Array();
SNOW_xp = new Array();
SNOW_yp = new Array();
SNOW_am = new Array();
SNOW_stx = new Array();
SNOW_sty = new Array();

for (i = 0; i < SNOW_no; ++ i) {
	SNOW_dx[i] = 0;
	SNOW_xp[i] = Math.random()*(SNOW_Browser_Width-50);
	SNOW_yp[i] = Math.random()*SNOW_Browser_Height;
	SNOW_am[i] = Math.random()*20;
	SNOW_stx[i] = 0.02 + Math.random()/10;
	SNOW_sty[i] = 0.7 + Math.random();
	if (i == 0) document.write("<\div id=\"SNOW_flake"+ i +"\" style=\"position: absolute; z-indexa: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><a href=\"http://eradia.pl/\" target=\"_blank\"><\img src=\""+SNOW_Picture+"\" border=\"0\"></a><\/div>");
	else document.write("<\div id=\"SNOW_flake"+ i +"\" style=\"position: absolute; z-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><\img src=\""+SNOW_Picture+"\" border=\"0\"><\/div>");
}

function SNOW_Weather() {
	for (i = 0; i < SNOW_no; ++ i) {
		SNOW_yp[i] += SNOW_sty[i];

		if (SNOW_yp[i] > SNOW_Browser_Height-50) {
			SNOW_xp[i] = Math.random()*(SNOW_Browser_Width-SNOW_am[i]-30);
			SNOW_yp[i] = 0;
			SNOW_stx[i] = 0.02 + Math.random()/10;
			SNOW_sty[i] = 0.7 + Math.random();
		}

		SNOW_dx[i] += SNOW_stx[i];

		document.getElementById("SNOW_flake"+i).style.top=SNOW_yp[i]+"px";
		document.getElementById("SNOW_flake"+i).style.left=SNOW_xp[i] + SNOW_am[i]*Math.sin(SNOW_dx[i])+"px";
	}

	SNOW_Time = setTimeout("SNOW_Weather()", 100);
}

SNOW_Weather();