startelement = document.getElementById('inhalt');
replace(startelement,1,2);
function replace(n,from,to) {
	b_images = new Array();
	b_images2 = new Array();
	var count = 0;
	if(n.className == 'mauskontakt'){
		
		b_images[count] = new Image();
		b_images[count].src = n.src;
		
		bildname = n.src.replace(/_off\./, "_on.");
		
		b_images2[count] = new Image();
		b_images2[count].src = bildname;
		

		n.onmouseover = function(){
			bildname = n.src.replace(/_off\./, "_on.");
			n.src = bildname;
		}
		
		n.onmouseout = function(){
			bildname = n.src.replace(/_on\./, "_off.");
			n.src = bildname;
		}
		
		count++;		
	}
	var kids = n.childNodes;
	for(var i = 0; i < kids.length; i++){
		replace(kids[i],from,to);
	}
}