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

// 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("#b9dff5", "#b9dff5", "#b9dff5", "#b9dff5", "#b9dff5");

// Set the fonts, that create the snowflakes. Add as many fonts as you like
var snowtype = new Array("Times");

// 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 = 35;

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

// 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;

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

function initsnow() {
        if (ie5 || opera) {
            marginbottom = document.body.scrollHeight;
            marginright = document.body.clientWidth - 15;
            if (document.getElementById('myimage' + i) != null) eval('myimage' + i).filters.light.addAmbient(255, 255, 255, vp);
            if (document.getElementById('myimage' + i) != null) eval('myimage' + i).filters.light.addPoint(0, 0, s, 255, 255, 255, 255);
                    }
        else if (ns6) {
        marginbottom = document.body.scrollHeight;
        marginright = window.innerWidth - 15;
        }
        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].style.zIndex = 1000;
                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+'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-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
                }
        }
        var timer=setTimeout("movesnow()",50)
}

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