/*
Snow Fall 1 - no images - Java Script
Visit http://rainbow.arch.scriptmania.com/scripts/
  for this script and many more
-----
messed with by pga, 01.12.2005
-----
*/

// 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","#F3F3F3","#F0FFFF");

// 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 maximum-size of your snowflakes
var snowmaxsize=25;

// Set the minimal-size of your snowflakes
var snowminsize=8;

// Set the snowing-zone
// Set 0 for middle 800 snowing!
// Set 1 for all-over-snowing, set 2 for left-side-snowing 
// Set 3 for center-snowing, set 4 for right-side-snowing
var snowingzone=0;

  /*
   //   * NO CONFIGURATION BELOW HERE *
*/

// Do not edit below this line
var snow=new Array();
var marginbottom;
var marginright;
var realmargin;
var timer;
var i_snow=0;
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;
		marginbottom = 558;
		marginright = document.body.clientWidth;
		realmargin = (marginright-800)/2;
		if (realmargin < 0) realmargin = 0;
	}
	else if (ns6) {
//		marginbottom = window.innerHeight
		marginbottom = 558;
		marginright = window.innerWidth
		realmargin = (marginright-800)/2;
		if (realmargin < 0) realmargin = 0;
	}

	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;
		snow[i].style.color=snowcolor[randommaker(snowcolor.length)];
		snow[i].sink=sinkspeed*snow[i].size/5;
		if (snowingzone==0) {snow[i].posx=randommaker(800-snow[i].size)+realmargin};
		if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)};
		if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)};
		if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4};
		if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2};
		snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size);
		snow[i].style.left=snow[i].posx;
		snow[i].style.top=snow[i].posy;
	}
	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]);
		snow[i].style.top=snow[i].posy;
		
		if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
			if (snowingzone==3) {snow[i].posx=randommaker(800-snow[i].size)+realmargin};
			if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)};
			if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)};
			if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4};
			if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2};
			snow[i].posy=0;
		}
	}
	var timer=setTimeout("movesnow()",50);
}

for (i=0;i<=snowmax;i++) {
	document.write("<div id='s"+i+"' class='flake'>"+snowletter+"</div>");
}