var publicPath = "/";
var AjaxRequest = Class.create(
{
	initialize: function(url, options)
	{
		this.url = url || '';
		this.options = options || {
		};

		this.onSuccess = Object.isFunction(this.options.onSuccess) ? this.options.onSuccess : Prototype.emptyFunction;
		this.onFailure = Object.isFunction(this.options.onFailure) ? this.options.onFailure : Prototype.emptyFunction;
		this.parameters = this.options.parameters || {
		};

		this.method = this.options.method || 'post';
		this.caching = this.options.caching || false;
		this.loader = this.options.loader || null;
		this.user = this.options.user || null;
		this.password = this.options.password || null;
		this.async = this.options.password || true;

		this.send();
	},
	send: function()
	{
		var req = new JsHttpRequest();
		req.onreadystatechange = function()
		{
			if (req.readyState == 4)
			{
				if (!req.responseText.strip().empty())
				{
					this.onFailure(req);
				}
				else
				{
					this.onSuccess(req.responseJS);
				}
			}
		}

		var fx = req.onreadystatechange;
		req.onreadystatechange = fx.bind(this);

		req.loader = this.loader;
		req.caching = this.caching;
		req.open(this.method, this.url, this.async, this.user, this.password);

		req.send(this.parameters);
	}
});

function pr(obj)
{
	var res = '';

	if (Object.isString(obj) || Object.isNumber(obj))
	{
		res += obj;
	}
	else
	{
		$H(obj).each(function(el)
		{
			res += el.key + ' = ' + el.value + '<br />';
		});
	}

	var debug = $('debug');

	if (!debug)
	{
		debug = new Element('div',
		{
			id: 'debug'
		});

		$(document.body).insert(debug);
	}

	debug.update(res);
}

Element.addMethods({
	eventFire: function(element, eventName)
	{
		element = $(element);

		if (element == document && document.createEvent && !element.dispatchEvent)
			element = document.documentElement;

		var event;
		eventName = eventName.toLowerCase();

		if (document.createEvent)
		{
			var eventType;

			eventName = eventName.replace(/^on/, '');

			event = document.createEvent('HTMLEvents');
			event.initEvent(eventName, true, true);

		}
		else
		{
			if (!eventName.match(/^on/))
				eventName = 'on' + eventName;

			event = document.createEventObject();
		}

		if (document.createEvent)
			element.dispatchEvent(event);
		else
			element.fireEvent(eventName, event);

		 return Event.extend(event);
	}
});



// main menu
var loadedNodes = new Object();
var hideUniqNodes = new Array();
var nodesInfo = new Object();

function setChildrenUniqNames(uniqName)
{
	for (var i in loadedNodes)
	{
		if (i == uniqName)
		{
			$A(loadedNodes[i]).each(function(n)
			{
				hideUniqNodes.push(n);
				setChildrenUniqNames(n);
			});
		}
	}
}

function switchNodes(event)
{
	Event.stop(event);
	var elm = Event.element(event);

	while (elm.id.empty() && !elm.id.match(/menuLeft_/))
	{
		elm = elm.up();
	}

	var uniqName = elm.id.substr(9);

	if (nodesInfo[uniqName]['open'])
	{
		hideNodes(uniqName);
	}
	else
	{
		showNodes(uniqName);
	}
}

function hideNodes(uniqName)
{
	setChildrenUniqNames(uniqName);
	nodesInfo[uniqName]['closed'] = true;
	nodesInfo[uniqName]['open'] = false;
	hideUniqNodes.each(function(n)
	{
		if ($('menuLeft_' + n))
		{
			$('menuLeft_' + n).hide();

			if (!nodesInfo[n])
				nodesInfo[n] = new Object();
		}
	});

	hideUniqNodes.clear();
}

function showNodes(uniqName)
{
	var ids = loadedNodes[uniqName];
	nodesInfo[uniqName]['closed'] = false;
	nodesInfo[uniqName]['open'] = true;
	ids.each(function(n)
	{
		if ($('menuLeft_' + n))
		{
			$('menuLeft_' + n).show();

			nodesInfo[n]['closed'] = false;
			nodesInfo[n]['open'] = true;
		}
	})
}

function getChildren(event)
{
	var args = $A(arguments);
	args.shift();
	var lang = args.first() || 'ru';

	Event.stop(event);
	var elm = Event.element(event);
	elm.stopObserving('click', getChildren);

	elm.observe('click', switchNodes);

	while (elm.id.empty() && !elm.id.match(/menuLeft_/))
	{
		elm = elm.up();
	}

	var uniqName = elm.id.substr(9);
	var req = new JsHttpRequest();
	req.onreadystatechange = function()
	{
		if (req.readyState == 4)
		{
			if (req.responseJS)
			{
				new Insertion.After("menuLeft_" + uniqName, req.responseJS.children);
				var mas = $A(req.responseJS.childrenArray);
				loadedNodes[uniqName] = new Array();
				nodesInfo[uniqName] = new Object();
				nodesInfo[uniqName]['open'] = true;
				nodesInfo[uniqName]['closed'] = false;
				mas.each(function(n)
				{
					loadedNodes[uniqName].push(n.uniqName);
				});
			}

		if (req.responseText)
		{
			$("debug").innerHTML = req.responseText;
		}
		}
	}

	req.open(null, 'form.POST '+publicPath+'_ajax/menu.php?lang='+lang+'', true);
	req.send(
	{
		action: "getChildren",
		ajax: "1",
		uniqName: uniqName
	});
}
// main menu