function showImpressum(){

     	if(document.getElementById('impressum2').classList.contains('hidden')){
			document.getElementById('impressum2').classList.remove('hidden');
			document.getElementById('impressum2').classList.add('show');
		}
     	else{
     		document.getElementById('impressum2').classList.remove('show');
			document.getElementById('impressum2').classList.add('hidden');
		}
}