function showOrHideBlok( Eid )
{
	var id = Eid;
	
	var blokA = document.getElementById( 'katalog_left_kategorie' );
	var blokB = document.getElementById( 'katalog_left_vyrobce' );

	if ( id == "k" ) 
	{
		blokA.style.display = "block";
		blokB.style.display = "none";
	} 
	else 
	{
		blokA.style.display = "none";
		blokB.style.display = "block";
	}
	
	setCookie( "katalog", id, 10, "/", "", "" );
}

function showOrHideInfoSpec( Eid )
{
	var id = Eid;

	var blokA = document.getElementById( 'katalog-details-info' );
	var blokB = document.getElementById( 'katalog-details-spec' );
	
	var tabA = document.getElementById( 'katalog-details-tab-info' );
	var tabB = document.getElementById( 'katalog-details-tab-spec' );
	
	var tabBG = document.getElementById('katalog-details-tab' );

	if ( id == "i" ) 
	{
		blokA.style.display = "block";
		blokB.style.display = "none";
		
		tabA.style.fontWeight = "bold";
		tabB.style.fontWeight = "normal";
		
		tabBG.style.backgroundImage = "url(/images/katalog-detail-tab-bg-1.jpg)";
	}
	else 
	{
		blokA.style.display = "none";
		blokB.style.display = "block";
		
		tabA.style.fontWeight = "normal";
		tabB.style.fontWeight = "bold";
		
		tabBG.style.backgroundImage = "url(/images/katalog-detail-tab-bg-2.jpg)";
	}
	
	setCookie( "infospec", id, 1, "/", "", "" );
}
/*
function showOrHideFinezza( Eid )
{
	var id = Eid;

	var blokA = document.getElementById( 'finezza-details-zakazka' );
	var blokB = document.getElementById( 'finezza-details-vznik' );
	var blokC = document.getElementById( 'finezza-details-aktivity' );
	
	var tabA = document.getElementById( 'finezza-details-tab-zakazka' );
	var tabB = document.getElementById( 'finezza-details-tab-vznik' );
	var tabC = document.getElementById( 'finezza-details-tab-aktivity' );
	
	var tabBG = document.getElementById( 'finezza-details-tab' );

	blokA.style.display = "none";
	blokB.style.display = "none";
	blokC.style.display = "none";
	
	tabA.style.fontWeight = "normal";
	tabB.style.fontWeight = "normal";
	tabC.style.fontWeight = "normal";

	if ( id == "zakazka" ) 
	{
		blokA.style.display = "block";
		tabA.style.fontWeight = "bold";
		tabBG.style.backgroundImage = "url(/images/finezza-detail-tab-bg-1.jpg)";
	}
	else if ( id == "vznik" ) 
	{
		blokB.style.display = "block";
		tabB.style.fontWeight = "bold";
		tabBG.style.backgroundImage = "url(/images/finezza-detail-tab-bg-2.jpg)";
	}
	else if ( id == "aktivity" ) 
	{
		blokC.style.display = "block";
		tabC.style.fontWeight = "bold";
		tabBG.style.backgroundImage = "url(/images/finezza-detail-tab-bg-3.jpg)";
	}
	
	setCookie("menu-finezza", id, 1, "/", "", "");
}
*/
function setCookie(key, value, days, path, domain, secure) {
	value = encodeURIComponent(value); // hodnota value by měla být minimálně escapována pomocí funkce escape()
	/*value+='; domain='+domain;
	value+='; path='+path;*/
	// expirace
	var date = new Date();
	date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
	value+='; expires=' + date.toGMTString();
	// secure
	if (secure) value+='; secure';
	document.cookie = key + '=' + value;
}