// Set the number of snowflakes (more than 30 - 40 not recommended)
var snowmax=60;
// Set the colors for the snow. Add as many colors as you like
//var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD");
var snowcolor=new Array("white", "#F7F7F7", "#F2F2F2");
// 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=24;
// Set the minimal-size of your snowflaxes
var snowminsize=16;
//Set the snowing-zone
// 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=1;
///////////////////////////////////////////////////////////////////////////
// CONFIGURATION ENDS HERE
/////////////////////////////////////////////////////////////////////////// 
// Do not edit below this line
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;

var isIE = navigator.userAgent.match(/msie/i);
var isIE6 = navigator.userAgent.match(/msie 6/i);
var isOldIE = (isIE && (isIE6 || navigator.userAgent.match(/msie 5/i)));
var isWin9X = navigator.appVersion.match(/windows 98/i);
var isiPhone = navigator.userAgent.match(/iphone/i);
var isBackCompatIE = (isIE && document.compatMode == 'BackCompat');

var browserok = isIE||isIE6||isOldIE||ie5||ns6||opera||isBackCompatIE;

function randommaker(range) {
       rand=Math.floor(range*Math.random());
       return rand;
}

function initsnow() {
       if (window.innerWidth || window.innerHeight) {
              marginbottom = window.innerHeight;
              marginright = window.innerWidth-(!isIE?16:2);
       }
       else {
              marginbottom = (document.documentElement.clientHeight||document.body.clientHeight||document.body.scrollHeight);
              marginright = (document.documentElement.clientWidth||document.body.clientWidth||document.body.scrollWidth)-(!isIE?8:0);
       }
       
       /*
       if (marginright < 700) {
              marginright = 1280;
       }
       if (marginbottom < 500) {
              marginbottom = 800;
       }
       */

       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==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;
              snow[i].kierunek = randommaker(29);
       }
       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+"px";
              if (snow[i].posy>=marginbottom-2*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;
              }
              if (snow[i].kierunek > 0) {
                     snow[i].posx++;
              }
              else {
                     snow[i].posx--;
              }
              snow[i].style.left=snow[i].posx+"px";
              snow[i].kierunek--;
              if (snow[i].kierunek < -30) {
                     snow[i].kierunek = 29;
              }
       }
       //alert(document.getElementById("s1").style.top);
       var timer=setTimeout("movesnow()",50);
}
for (i=0;i<=snowmax;i++) {
       //alert("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>");
       document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>");
}

if (browserok) {
       //window.onload=initsnow();
       initsnow();
}
//initsnow();