function impressum (url) {
 fenster = window.open(url, "Impressum", "width=520,height=300,status=no,scrollbars=yes,resizable=no");
 fenster.focus();
}
function toggle(id) {
	var map = new Array('splash_map', 'splash_map_de', 'splash_map_at');
	document.getElementById('map').src='Splash/images/'+map[id]+'.jpg'; 
}