function right(e) { 
		if (navigator.appName == 'Netscape' && 
		(e.which == 3 || e.which == 2)) 
		return false; 
		else if (navigator.appName == 'Microsoft Internet Explorer' && 
		(event.button == 2 || event.button == 3)) { 
		alert("Zákázáno."); 
		return false; 
		} 
		return true; 
		}