menuTimeouts = new Array();
visibleMenu = "";

function showMenu(menuID)
{
	var menu = document.getElementById(menuID);
	menu.className = 'subMenu subMenuVisible';
	
	if (visibleMenu != "" && visibleMenu != menuID) {
		hideMenu(visibleMenu, false);
	}
	visibleMenu = menuID;
	
	// vymazání timeoutů
	for (key in menuTimeouts) {
		var timeout = menuTimeouts[key];
		window.clearTimeout(timeout);
	}
}

function hideMenu(menuID, useTimeout)
{
	if (menuID == "") {
		return;
	}
		
	if (useTimeout == false) {
		var menu = document.getElementById(menuID);
		menu.className = 'subMenu subMenuHidden';
	} else {
		var timeout = window.setTimeout("hideMenu('"+menuID+"', false)", 700);
		menuTimeouts[menuID] = timeout;
	}
}

function isdefined(object, variable)
{
	return (typeof(eval(object)[variable]) != 'undefined');
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime() + Math.floor(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/; domain=kajetanka.eu";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}