function show(element)  { element.className += "hover"; }
function hide(element)  { element.className = element.className = ""; }


function MM_preloadImages(){
	
	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];
			}
		
	}//if (d.images)
	
}//MM_preloadImages


function MM_swapImgRestore(){
	
	var i, x, a=document.MM_sr;
	
	for (i=0; a&&i<a.length&&(x=a[i])&&x.oSrc;i++)  x.src = x.oSrc;
	
}//MM_swapImgRestore


function MM_findObj(n, d){
	
	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;
	
}//MM_findObj


function MM_swapImage(){
	
	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];
		}
	
}//MM_swapImage


function MM_onload(){
	
	MM_preloadImages(
		'Bilder/button_01rueckruf-over.gif',
		'Bilder/button_02e-mail-over.gif',
		'Bilder/button_03beratungscenter-ov.gif',
		'Bilder/button_04infopaket-over.gif');
	
}//MM_onload


MM_onload();