// JavaScript Document
function vyber(blok, menu)
{
//	INICIALIZACE
	// nacteni promennych
	var blok = document.getElementById(blok).style;
	var menu = document.getElementById(menu).style;
	
	var blok1 = document.getElementById('blok1').style;
	var menu1 = document.getElementById('menu1').style;	
	
	var blok2 = document.getElementById('blok2').style;	
	var menu2 = document.getElementById('menu2').style;
	
	var blok3 = document.getElementById('blok3').style;	
	var menu3 = document.getElementById('menu3').style;
	
	var blok4 = document.getElementById('blok4').style;	
	var menu4 = document.getElementById('menu4').style;
	
	var blok5 = document.getElementById('blok5').style;	
	var menu5 = document.getElementById('menu5').style;

	// "nulovani"
	blok1.display = 'none';
	menu1.borderBottomColor = 'black';
	menu1.backgroundImage = 'url(./obr/ostatni/submenu.png)';
	
	blok2.display = 'none';
	menu2.borderBottomColor = 'black';	
	menu2.backgroundImage = 'url(./obr/ostatni/submenu.png)';
	
	blok3.display = 'none';
	menu3.borderBottomColor = 'black';	
	menu3.backgroundImage = 'url(./obr/ostatni/submenu.png)';
	
	blok4.display = 'none';
	menu4.borderBottomColor = 'black';	
	menu4.backgroundImage = 'url(./obr/ostatni/submenu.png)';
	
	blok5.display = 'none';
	menu5.borderBottomColor = 'black';	
	menu5.backgroundImage = 'url(./obr/ostatni/submenu.png)';
	
	
// AKCE	
 	blok.display = 'block';
 	menu.backgroundImage = 'url(./obr/ostatni/selected_submenu.png)';
 	menu.borderBottomColor = 'white';

}