function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var Fenster = null;
function neuesFenster(meineSeite,meinName,w,h,scroll)
{
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;

settings ='height='+h+',width='+w+',top='+TopPosition+
',left='+LeftPosition+',scrollbars='+scroll+', resizable=no, status=no'
Fenster = window.open(meineSeite,meinName,settings)
Fenster.focus();
}

//
// Copyright (C) 2008 by Fabian Schlieper
// Schnee v1.2
// http://www.fabi.me/
// Ohne dieses Copyright darf dieser Code nicht verwendet werden!
//

// die ID des HTML-Elements, in dem es schneien soll
var snow_area_id = 'winter';

// maximale Anzahl der sichtbaren Schneeflocken
var snow_flake_count = 50;

// die verschiedenen Farbe, die die Schneeflocken haben sollen
var snow_colors = new Array('#c2dbed','#ddfcff','#ccd7dd','#F3F3F3','#F0FFFF');

// die Schriftarten, aus denen die Schneeflocken bestehen sollen
var snow_fonts  = new Array('Arial Black', 'Arial Narrow', 'Times', 'Comic Sans MS');

var snow_char = '*';		// das Zeichen, das als Schneeflocke verwendet wird
var snow_gravity = 0.8;		// wie schnell die Schneeflocken fallen
var snow_max_size = 22;		// die maximale Schriftgröße einer Schneeflocke
var snow_min_size = 10;		// die minimale Schriftgröße einer Schneeflocke

var snow_init_delay = 50;	// Verzögerungszeit in Millisekunden, bevor es zu schneien anfängt


// ######################################################################
// HIER ENDET DIE KONFIGURATION. ÄNDERUNGEN IM FOLGENDEN SETZEN JAVSCRIPT-KENNTNISSE VORAUS
// ######################################################################

var snow_init_time = 0;
var snowflakes = new Array();
var snow_area_el = null;

function createSnowflakes()
{
	var style = 'position:absolute; top:-' + snow_max_size + 'px; z-index:99;';
	for (var i = 0; i <= snow_flake_count; i++)
		document.write('<sp' + 'an id="snwflk' + i + '" style="' + style + '">' + snow_char + '</sp' + 'an>');
}

function randInt(range) { return Math.floor(Math.random() * range); }

function initSnow()
{	
	snow_area_el = document.getElementById(snow_area_id);
	
	// reapeat until we have the snow_area_el
	if(!snow_area_el || snow_area_el.offsetWidth <= snow_max_size || snow_area_el.offsetHeight <= snow_max_size) {
		// after 5 secs cancel
		if(snow_init_time < 5000)
			window.setTimeout('initSnow()', 50);
			
		snow_init_time += 50;
		return;
	}
	
	// offest fix
	snow_area_el.style.position = 'relative';	
			
	for (var i = 0; i <= snow_flake_count; i++)
	{	
		snowflakes[i] = document.getElementById('snwflk' + i);
		
		snowflakes[i].size = (randInt(snow_max_size - snow_min_size) + snow_min_size);		
		snowflakes[i].posx = -snowflakes[i].size;
		snowflakes[i].posy = -snowflakes[i].size;
		snowflakes[i].sink = (snow_gravity * snowflakes[i].size / snow_min_size);
		snowflakes[i].wobamp = (Math.random() * (snowflakes[i].size));
		snowflakes[i].wob = 0.0;
		snowflakes[i].wobspeed = (0.03 + Math.random() / 10.0);
		
		snowflakes[i].style.fontFamily = snow_fonts[randInt(snow_fonts.length)];
		snowflakes[i].style.fontSize = snowflakes[i].size + 'px';
		snowflakes[i].style.color = snow_colors[randInt(snow_colors.length)];
	}
	
	window.setInterval('updateSnow()', 50);
}

function updateSnow()
{
	var bl = snow_area_el.offsetLeft;
	var bt = snow_area_el.offsetTop;
	var bw = snow_area_el.offsetWidth;
	var bh = snow_area_el.offsetHeight;	
	var br = bl + bw;	
	var bb = bt + bh;	
		
	for (var i = 0; i <= snow_flake_count; i++)
	{
		snowflakes[i].wob += snowflakes[i].wobspeed;
		var x = snowflakes[i].posx + (snowflakes[i].wobamp * Math.sin(snowflakes[i].wob));		
		snowflakes[i].posy += snowflakes[i].sink;
		
		snowflakes[i].style.left = Math.round(x) + 'px';
		snowflakes[i].style.top = Math.round(snowflakes[i].posy) + 'px';
		
		var s = snowflakes[i].size;		
		// check bounds
		if (snowflakes[i].posy > (bb - s) || x < bl || x  > (br - s))
		{
			snowflakes[i].posx = bl + s + randInt(bw - (3 * s));
			
			if(snowflakes[i].posy < 0)
				snowflakes[i].posy = bt + randInt(bh - 2 * s);
			else
				snowflakes[i].posy = bt;
		}
	}
}

// Schnee initialisieren
createSnowflakes();
window.setTimeout('initSnow()', Math.max(50, snow_init_delay));