var $menu1 = 0;
var $menu2 = 0;
var $menu3 = 0;
var $menu4 = 0;
var $menu5 = 0;
var $menu6 = 0;
var $menu7 = 0;
var $menu8 = 0;
var $menu9 = 0;

//Nahrat vsechny skryte obrazky

(new Image (130,20)).src = './pics/m_potr_aditiva2.png';
(new Image (130,20)).src = './pics/m_dzbany_2.png';
(new Image (130,20)).src = './pics/m_zatky_2.png';
(new Image (130,20)).src = './pics/m_ovochrozkonc2.png';
(new Image (130,20)).src = './pics/m_sysproprepravu2.png';
(new Image (130,20)).src = './pics/m_perlity2.png';
(new Image (130,20)).src = './pics/m_pripravkynapoje2.png';
(new Image (130,20)).src = './pics/m_uzaverylahve2.png';
(new Image (130,20)).src = './pics/m_vyrobanapoju2.png';

function menu (n) // n - ktere menu se ma odkryt
{
	//Skryti a zobrazeni menu
	//MENU 1
	if ($menu1 == 1) 
	{
		var x = document.getElementById(11); x.style.display = 'none';
		var x = document.getElementById(12); x.style.display = 'none';
		//var x = document.getElementById(13); x.style.display = 'none';
		document.obr1.src='./pics/m_dzbany.png';
		$menu1 = 0;
	}	
	else
	if (n == 1 && $menu1 == 0) 
	{
		var x = document.getElementById(11); x.style.display = 'block';
		var x = document.getElementById(12); x.style.display = 'block';
		//var x = document.getElementById(13); x.style.display = 'block';
		document.obr1.src='./pics/m_dzbany_2.png';
		$menu1 = 1;
	}
	
	//MENU 2
	if ($menu2 == 1) 
	{
		var x = document.getElementById(21); x.style.display = 'none';
		var x = document.getElementById(22); x.style.display = 'none';
		var x = document.getElementById(23); x.style.display = 'none';
		document.obr2.src='./pics/m_potr_aditiva.png';
		$menu2 = 0;
	}	
	else
	if (n == 2 && $menu2 == 0) 
	{
		var x = document.getElementById(21); x.style.display = 'block';
		var x = document.getElementById(22); x.style.display = 'block';
		var x = document.getElementById(23); x.style.display = 'block';
		document.obr2.src='./pics/m_potr_aditiva2.png';		
		$menu2 = 1;
	}
	
	//MENU 3
	if ($menu3 == 1) 
	{
		var x = document.getElementById(31); x.style.display = 'none';
		var x = document.getElementById(32); x.style.display = 'none';
		var x = document.getElementById(33); x.style.display = 'none';
		var x = document.getElementById(34); x.style.display = 'none';
		var x = document.getElementById(35); x.style.display = 'none';
		document.obr3.src='./pics/m_zatky.png';
		$menu3 = 0;
	}	
	else
	if (n == 3 && $menu3 == 0) 
	{
		var x = document.getElementById(31); x.style.display = 'block';
		var x = document.getElementById(32); x.style.display = 'block';
		var x = document.getElementById(33); x.style.display = 'block';
		var x = document.getElementById(34); x.style.display = 'block';
		var x = document.getElementById(35); x.style.display = 'block';
		document.obr3.src='./pics/m_zatky_2.png';		
		$menu3 = 1;
	}
	
	//MENU 4
	if ($menu4 == 1) 
	{
		var x = document.getElementById(41); x.style.display = 'none';
		var x = document.getElementById(42); x.style.display = 'none';
		document.obr4.src='./pics/m_ovochrozkonc.png';
		$menu4 = 0;
	}	
	else
	if (n == 4 && $menu4 == 0) 
	{
		var x = document.getElementById(41); x.style.display = 'block';
		var x = document.getElementById(42); x.style.display = 'block';
		document.obr4.src='./pics/m_ovochrozkonc2.png';		
		$menu4 = 1;
	}
	
	//MENU 5
	if ($menu5 == 1)
	{
		document.obr5.src='./pics/m_perlity.png';
		$menu5 = 0;
	}
	else
	if (n == 5 && $menu5 == 0)
	{
		document.obr5.src='./pics/m_perlity2.png';
		$menu5 = 1;
	}
	
	//MENU 6
	if ($menu6 == 1)
	{
		var x = document.getElementById(601); x.style.display = 'none';
		var x = document.getElementById(602); x.style.display = 'none';
		var x = document.getElementById(603); x.style.display = 'none';
		var x = document.getElementById(604); x.style.display = 'none';
		var x = document.getElementById(605); x.style.display = 'none';
		var x = document.getElementById(606); x.style.display = 'none';
		var x = document.getElementById(607); x.style.display = 'none';
		var x = document.getElementById(608); x.style.display = 'none';
		var x = document.getElementById(609); x.style.display = 'none';
		var x = document.getElementById(610); x.style.display = 'none';
		var x = document.getElementById(611); x.style.display = 'none';
		var x = document.getElementById(612); x.style.display = 'none';
		var x = document.getElementById(613); x.style.display = 'none';
		var x = document.getElementById(614); x.style.display = 'none';
		document.obr6.src='./pics/m_pripravkynapoje.png';
		$menu6 = 0;
	}
	else
	if (n == 6 && $menu6 == 0)
	{
		var x = document.getElementById(601); x.style.display = 'block';
		var x = document.getElementById(602); x.style.display = 'block';
		var x = document.getElementById(603); x.style.display = 'block';
		var x = document.getElementById(604); x.style.display = 'block';
		var x = document.getElementById(605); x.style.display = 'block';
		var x = document.getElementById(606); x.style.display = 'block';
		var x = document.getElementById(607); x.style.display = 'block';
		var x = document.getElementById(608); x.style.display = 'block';
		var x = document.getElementById(609); x.style.display = 'block';
		var x = document.getElementById(610); x.style.display = 'block';
		var x = document.getElementById(611); x.style.display = 'block';
		var x = document.getElementById(612); x.style.display = 'block';
		var x = document.getElementById(613); x.style.display = 'block';
		var x = document.getElementById(614); x.style.display = 'block';
		document.obr6.src='./pics/m_pripravkynapoje2.png';
		$menu6 = 1;
	}
	
	//MENU 7
	if ($menu7 == 1) 
	{
		var x = document.getElementById(71); x.style.display = 'none';
		var x = document.getElementById(72); x.style.display = 'none';
		var x = document.getElementById(73); x.style.display = 'none';
		var x = document.getElementById(74); x.style.display = 'none';
		document.obr7.src='./pics/m_sysproprepravu.png';
		$menu7 = 0;
	}	
	else
	if (n == 7 && $menu7 == 0) 
	{
		var x = document.getElementById(71); x.style.display = 'block';
		var x = document.getElementById(72); x.style.display = 'block';
		var x = document.getElementById(73); x.style.display = 'block';
		var x = document.getElementById(74); x.style.display = 'block';
		document.obr7.src='./pics/m_sysproprepravu2.png';		
		$menu7 = 1;
	}
	
	//MENU 8
	if ($menu8 == 1)
	{
		var x = document.getElementById(801); x.style.display = 'none';
		var x = document.getElementById(802); x.style.display = 'none';
		var x = document.getElementById(803); x.style.display = 'none';
		var x = document.getElementById(804); x.style.display = 'none';
		var x = document.getElementById(805); x.style.display = 'none';
		var x = document.getElementById(806); x.style.display = 'none';
		var x = document.getElementById(807); x.style.display = 'none';
		var x = document.getElementById(808); x.style.display = 'none';
		var x = document.getElementById(809); x.style.display = 'none';
		var x = document.getElementById(810); x.style.display = 'none';
		var x = document.getElementById(811); x.style.display = 'none';
		document.obr8.src='./pics/m_uzaverylahve.png';
		$menu8 = 0;
	}
	else
	if (n == 8 && $menu8 == 0)
	{
		var x = document.getElementById(801); x.style.display = 'block';
		var x = document.getElementById(802); x.style.display = 'block';
		var x = document.getElementById(803); x.style.display = 'block';
		var x = document.getElementById(804); x.style.display = 'block';
		var x = document.getElementById(805); x.style.display = 'block';
		var x = document.getElementById(806); x.style.display = 'block';
		var x = document.getElementById(807); x.style.display = 'block';
		var x = document.getElementById(808); x.style.display = 'block';
		var x = document.getElementById(809); x.style.display = 'block';
		var x = document.getElementById(810); x.style.display = 'block';
		var x = document.getElementById(811); x.style.display = 'block';
		document.obr8.src='./pics/m_uzaverylahve2.png';
		$menu8 = 1;
	}
	
	//MENU 9
	if ($menu9 == 1)
	{
		var x = document.getElementById(91); x.style.display = 'none';
		var x = document.getElementById(93); x.style.display = 'none';
		var x = document.getElementById(94); x.style.display = 'none';
		var x = document.getElementById(95); x.style.display = 'none';
		var x = document.getElementById(96); x.style.display = 'none';
		var x = document.getElementById(97); x.style.display = 'none';
		var x = document.getElementById(98); x.style.display = 'none';
		var x = document.getElementById(99); x.style.display = 'none';
		var x = document.getElementById(991); x.style.display = 'none';
		var x = document.getElementById(911); x.style.display = 'none';
		var x = document.getElementById(912); x.style.display = 'none';
		var x = document.getElementById(913); x.style.display = 'none';
		var x = document.getElementById(914); x.style.display = 'none';
		var x = document.getElementById(915); x.style.display = 'none';
		var x = document.getElementById(916); x.style.display = 'none';
		var x = document.getElementById(917); x.style.display = 'none';
		var x = document.getElementById(918); x.style.display = 'none';
		var x = document.getElementById(919); x.style.display = 'none';
		document.obr9.src='./pics/m_vyrobanapoju.png';
		$menu9 = 0;
	}
	else
	if (n == 9 && $menu9 == 0)
	{
		var x = document.getElementById(91); x.style.display = 'block';
		var x = document.getElementById(93); x.style.display = 'block';
		var x = document.getElementById(94); x.style.display = 'block';
		var x = document.getElementById(95); x.style.display = 'block';
		var x = document.getElementById(96); x.style.display = 'block';
		var x = document.getElementById(97); x.style.display = 'block';
		var x = document.getElementById(98); x.style.display = 'block';
		var x = document.getElementById(99); x.style.display = 'block';
		var x = document.getElementById(991); x.style.display = 'block';
		var x = document.getElementById(911); x.style.display = 'block';
		var x = document.getElementById(912); x.style.display = 'block';
		var x = document.getElementById(913); x.style.display = 'block';
		var x = document.getElementById(914); x.style.display = 'block';
		var x = document.getElementById(915); x.style.display = 'block';
		var x = document.getElementById(916); x.style.display = 'block';
		var x = document.getElementById(917); x.style.display = 'block';
		var x = document.getElementById(918); x.style.display = 'block';
		var x = document.getElementById(919); x.style.display = 'block';
		document.obr9.src='./pics/m_vyrobanapoju2.png';
		$menu9 = 1;
	}
}

function zmenitvelikost ()
{
 	var x = document.getElementById ('box');
	if (document.body.clientHeight > document.body.scrollHeight)
	{
		x.style.height = document.body.clientHeight;
	}
	else
	{
		x.style.height = document.body.scrollHeight;
	}
}