// 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("#EFEFEF","#EAEAEA","#F5F5F5")

// 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=30

// Set the minimal-size of your snowflaxes
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.clientHeight
        marginright = document.body.clientWidth
    }
    else if (ns6) {
        marginbottom = window.innerHeight + 200
        marginright = window.innerWidth 
    }
    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 = parseInt(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(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
}