function languageSwitch(id){
	if(document.getElementById(id).style.visibility == '' || document.getElementById(id).style.visibility == 'hidden'){
			document.getElementById(id).style.visibility = 'visible';
	}
	else if(document.getElementById(id).style.visibility == 'visible'){
			document.getElementById(id).style.visibility = 'hidden';
	}
}

function neues_fenster(){
	window.open('impressum.php', "Window", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=730,height=550,screenX=50,screenY=50,top=50,left=50");
}