var isover = false;
var isback = true;
var navdivs = new Array();
var aktivlinks = new Array();

function init(){
	for(var i=1; i <= 3; i++){
		navdivs[i] 	  = new Array();
		navdivs[i]['obj'] = document.getElementById('level'+i);
		navdivs[i]['visibility'] = navdivs[i]['obj'].style.visibility;
		navdivs[i]['content'] = navdivs[i]['obj'].innerHTML; 
		navdivs[i]['obj'].onmouseout = function(){ 
											isover = false; 
											window.setTimeout("setback()",2500);
										} ;
		navdivs[i]['obj'].onmouseover = function(){ isover = true;
													isback = false; } ;
		
		aktivlinks[i] = document.getElementById('activ'+i);
	}
}
function setback(){
	if(!isover && !isback){
		for(var i=1; i <= 3; i++){
			 navdivs[i]['obj'].style.visibility = navdivs[i]['visibility'];
			 navdivs[i]['obj'].innerHTML = navdivs[i]['content'];
		}
		isback = true;
	}
}
window.onload = init;