function loadmenu(menuid){
	menuid = menuid ? menuid : 'az';

	tabs=document.getElementById('menutabs');
	tabs.childNodes[0].className="a az";
	tabs.childNodes[1].className="a vyd";
	tabs.childNodes[2].className="a cena";
	
	if (menuid=='az'){
		tabs.childNodes[0].className="a az active az-active";
		loaditems(menuid);
	}
	if (menuid=='vyd'){
		tabs.childNodes[1].className="a vyd active vyd-active";
		loaditems(menuid);
	}
	if (menuid=='cena'){
		tabs.childNodes[2].className="a cena active cena-active";
		loaditems(menuid);
	}
	window.actualtab=menuid;
	createCookie('tabid', menuid, 30);

	return false;
};

function loadvyd(pismena){
	 loaditems('vyd&pismena='+pismena);
};

var xmlhttp = (window.XMLHttpRequest ? new XMLHttpRequest : (window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : false));
	
function RSchange() {
	if (xmlhttp.readyState==4) {
		document.getElementById('menuitems').innerHTML=xmlhttp.responseText
		window.menuloaded=true;
	}
};

function loaditems(itemid) {
	xmlhttp.open("GET", "/leftmenu?items="+itemid+"&sekce="+sekce,true);
	xmlhttp.onreadystatechange=RSchange;
	xmlhttp.send(null);
};

function searchmag(q){
	if (q){
		xmlhttp.open("GET", "/leftmenu?items=search&tab=" + window.actualtab + "&q=" + q + "&sekce=" + sekce,true);
		xmlhttp.onreadystatechange=RSchange;
		xmlhttp.send(null);
	}else{
		loaditems(window.actualtab);
	}
};