$(document).ready(function(){ 
	
	
	
	
		
	$("#menu a").hover( 
		
		function() {
		
			$("#menu a").css('background-position',"0 0");
	
			$(this).css('background-position',"0 -42px");
		
		},
		
		function(){
			
			$("#menu a").css('background-position',"0 0");
			
			$(".vybrany").css('background-position',"0 -42px");
			
			
		});
	



});