var SNOW_Picture = "snow.gif";
var SNOW_no = 6;

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_sinus;
var SNOW_dx, SNOW_xp, SNOW_yp;
var SNOW_am, SNOW_stx, SNOW_sty; 
var SNOW_instances;
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 + 440;
}
else if (SNOW_browser_MOZ)
{
	SNOW_Browser_Width = self.innerWidth - 20;
	SNOW_Browser_Height = self.innerHeight + 440;
}
else if (SNOW_browser_IE7)
{
	SNOW_Browser_Width = document.documentElement.clientWidth;
	SNOW_Browser_Height = document.documentElement.clientHeight + 440;
}


SNOW_dx = new Array(SNOW_no);
SNOW_xp = new Array(SNOW_no);
SNOW_yp = new Array(SNOW_no);
SNOW_am = new Array(SNOW_no);
SNOW_stx = new Array(SNOW_no);
SNOW_sty = new Array(SNOW_no);
SNOW_sinus = new Array(102);
SNOW_instances = new Array(SNOW_no);

for (i = 0; i < SNOW_no; ++ i) 
{ 
	SNOW_dx[i] = 0; 
	SNOW_xp[i] = Math.random()*(SNOW_Browser_Width-60);
	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-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><a href=\"\" target=\"_blank\"><img src=\""+SNOW_Picture+"\" border=\"0\" width=40 height=40></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+"\" width=40 height=40 border=\"0\"><\/div>");
	SNOW_instances[i] = document.getElementById("SNOW_flake"+i).style;

}

SNOW_Browser_Height-=50;
SNOW_Browser_Width-=30;

function SNOW_Weather() 
{

var rand; 

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

	if (SNOW_yp[i] > SNOW_Browser_Height) 
	{
		rand = Math.random();
		SNOW_xp[i] = rand*(SNOW_Browser_Width - SNOW_am[i]);
		SNOW_yp[i] = 0;
		SNOW_stx[i] = 0.02 + rand / 10;
		SNOW_sty[i] = 1.7 - rand;
		SNOW_stx[i] = Math.round(SNOW_stx[i] * 100) / 100;

	}

	SNOW_dx[i] += SNOW_stx[i];
	var index =(SNOW_dx[i]);

	if(!SNOW_sinus[index]) {
		SNOW_sinus[index] = Math.sin(SNOW_dx[i]);
	}
	SNOW_instances[i].left = SNOW_xp[i] + SNOW_am[i] * SNOW_sinus[index] + "px";
	//SNOW_instances[i].left = SNOW_xp[i] + SNOW_am[i] * 1 + "px";
	SNOW_instances[i].top = SNOW_yp[i] + "px";
}

SNOW_Time = setTimeout("SNOW_Weather()", 33);

}

SNOW_Weather();