// CREDITS:
// Snowmaker Copyright (c) 2003 Peter Gehrig. All rights reserved.
// Distributed by http://www.hypergurl.com
// Permission given to use the script provided that this notice remains as is.

// Set the number of snowflakes (more than 30 - 40 not recommended)
var snowmax=35;

// Set the colors for the snow. Add as many colors as you like
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD");

// Set the fonts, that create the snowflakes. Add as many fonts as you like
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS");

// Set the letter that creates your snowflake (recommended:*)
var snowletter="*";

// Set the speed of sinking (recommended values range from 0.3 to 2)
var sinkspeed=0.6;

// Set the maximal-size of your snowflaxes
var snowmaxsize=22;

// Set the minimal-size of your snowflaxes
var snowminsize=8;

///////////////////////////////////////////////////////////////////////////
// CONFIGURATION ENDS HERE
///////////////////////////////////////////////////////////////////////////


// Do not edit below this line
var snow=new Array();
var marginbottom;
var marginright;
var timer;
var i_snow=0;
var snow=new Array();
var x_mv=new Array();
var crds=new Array();
var lftrght=new Array();
var browserinfos=navigator.userAgent;
var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/);
var ns6=document.getElementById&&!document.all;
var opera=browserinfos.match(/Opera/);
var browserok=ie5||ns6||opera;

function randommaker(range) {		
	rand=Math.floor(range*Math.random());
  return rand;
}

function initSnow() {
	if (ie5 || opera) {
		marginbottom = document.body.clientHeight;
		marginright = document.body.clientWidth;
	}
	else if (ns6) {
		marginbottom = window.innerHeight;
		marginright = window.innerWidth;
	}
	marginright -= (snowmaxsize+10);
	var snowsizerange=snowmaxsize-snowminsize;
	for (i=0;i<=snowmax;i++) {
		crds[i] = 0;
    lftrght[i] = Math.random()*15;
    x_mv[i] = 0.03 + Math.random()/10;
		snow[i]=document.getElementById("s"+i)
		snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)];
		snow[i].size=randommaker(snowsizerange)+snowminsize;
		snow[i].style.fontSize=snow[i].size+"px";
		snow[i].style.color=snowcolor[randommaker(snowcolor.length)];
		snow[i].sink=sinkspeed*snow[i].size/5;
		snow[i].posx=randommaker(marginright);
		snow[i].posy=randommaker(6*marginbottom-marginbottom-6*snowmaxsize);
		snow[i].style.left=snow[i].posx+"px";
		snow[i].style.top=snow[i].posy+"px";
	}
	moveSnow();
}

function moveSnow() {
	for (i=0;i<=snowmax;i++) {
		crds[i] += x_mv[i];
		snow[i].posy+=snow[i].sink;
		snow[i].style.left=(snow[i].posx+lftrght[i]*Math.sin(crds[i]))+"px";
		snow[i].style.top=snow[i].posy+"px";
		
		if (snow[i].posy>=marginbottom-6*snowmaxsize || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
			snow[i].posx=randommaker(marginright);
			snow[i].posy=0;
		}
	}
	var timer=setTimeout("moveSnow()",60)
}

function drawSnow() {
	if (browserok) {
		var flakes = "";
		for (i=0;i<=snowmax;i++) {
			flakes += "<span id='s"+i+"' style='position:absolute;z-index:99;display:block;width:"+snowmaxsize+"px;height:"+snowmaxsize+"px;top:-"+snowmaxsize+"px'>"+snowletter+"</span>";
		}
		document.write(flakes);
	}
}
