function einblenden(id) {
    if(document.getElementById(id)) {
        if(document.getElementById(id).style.display == 'block') {
            document.getElementById(id).style.display = 'none';
        } else {
            document.getElementById(id).style.display = 'block';
        }
    }
}


		function quicknav(loc) { 
  		if (loc != 'nix')  window.open(loc,'_blank'); 
		}