// Snieg. kiekis 30-40 rek.
var snowmax=35

// Snieg. spalva. (galima ne viena spalva)
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD")

// Snieg. raidziu sriftas (galima ne vienas srift.)
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")

// Snieg. raide
var snowletter="*"

// Snigimo greit. rek 0.3-2
var sinkspeed=0.6

// Maks. snieg. dydis
var snowmaxsize=22

// Min. snieg. dydis
var snowminsize=8

// Snig. vietos
// 1 visame psl., 2 kaire puse
// 3 centras, 4 desne puse
var snowingzone=1

/////////////////////////////////////////////////////////////
/////////////////////Konfiguracija///////////////////////////
/////////////////////////////////////////////////////////////

// nekeisti
var snow=new Array()
var marginbottom
var marginright
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.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight )
    marginright = ( document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth )
    posysize = 1;
  }
  else if (ns6) {
    marginbottom = window.innerHeight
    marginright = window.innerWidth
    posysize = 6;
  }
  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
    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(posysize*marginbottom-marginbottom-6*snow[i].size)
    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*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
      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
    }
  }
  timer=setTimeout("movesnow()",50)
}

for (i=0;i<=snowmax;i++) {
  document.write("<span id='s"+i+"' style='position:absolute; top:-"+snowmaxsize+"px'>"+snowletter+"</span>")
}

if (browserok) {
window.onload=initsnow
	       }

/// Lango dydis - Window resize ///

function wrapper() {
      if (!document.body.onresize) document.body.onresize = function(event){setTimeout('wrapper()',100);}
      clearTimeout(timer);
      initsnow();
    		   }
function delay() { setTimeout('wrapper()',100); }
window.onresize = delay;

//////////////////////