// JavaScript Document
var x=0;
function showDiv(id) {
	document.getElementById("facts2").style.visibility="hidden";
	document.getElementById("bild5").style.visibility="hidden";
	main.className='main opacity50';
	document.getElementById(id).style.visibility="visible";



}
function hideDiv(id) {

document.getElementById(id).style.visibility="hidden";
main.className='main';

}