// JavaScript Document
function switchlayer(Layer_Name){
	var GECKO = document.getElementById? 1:0 ;
	var NS = document.layers? 1:0 ;
	var IE = document.all? 1:0 ;
	if (GECKO){
		document.getElementById(Layer_Name).style.display=(document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';
	}else if (NS){
		document.layers[Layer_Name].display=(document.layers[Layer_Name].display=='block') ? 'none' : 'block';
	}else if (IE){
		document.all[Layer_Name].style.display=(document.all[Layer_Name].style.display=='block') ? 'none' : 'block';
	}
}

function showBox (event,target,text,dx,dy) {
	
	if(text!='ohne'){
		document.getElementById(target).firstChild.nodeValue = text;
	}
	document.getElementById(target).style.position = 'absolute';
	document.getElementById(target).style.display = 'block';
	document.getElementById(target).style.top = event.clientY+dy;
	document.getElementById(target).style.left = event.clientX+dx;
}
function visibleBox(target){
	document.getElementById(target).style.display = 'none';
}