var menu_1 = new Image();
menu_1.src = '/images/menu_1.jpg';
var menu_1_up = new Image();
menu_1_up.src = '/images/menu_1_u.jpg';
var menu_2 = new Image();
menu_2.src = '/images/menu_2.jpg';
var menu_2_up = new Image();
menu_2_up.src = '/images/menu_2_u.jpg';
var menu_3 = new Image();
menu_3.src = '/images/menu_3.jpg';
var menu_3_up = new Image();
menu_3_up.src = '/images/menu_3_u.jpg';
var menu_4 = new Image();
menu_4.src = '/images/menu_4.jpg';
var menu_4_up = new Image();
menu_4_up.src = '/images/menu_4_u.jpg';
var menu_5 = new Image();
menu_5.src = '/images/menu_5.jpg';
var menu_5_up = new Image();
menu_5_up.src = '/images/menu_5_u.jpg';
	
function image_ch(mely, melyik){
	document.getElementById(mely).src = "/images/menu_" + melyik + "_u.jpg";
}
function image_out(mely, melyik){
	document.getElementById(mely).src = "/images/menu_" + melyik + ".jpg";
}
function mutat(num){
	document.getElementById("almenu").style.display = "block";
}
function nemmutat(){
	document.getElementById("almenu").style.display = "none";
}