function onload ()
{
	state.hasChanged = Array ();
	
	// quickbar initialesieren
	cbInit();
	updateQuickbar ();
	
	showMessages (state.messages);
	top.setStatus (state.statusbar.value);
}

function onresize ()
{
	if (obj = document.getElementById ("scroll")) {
		obj.className = "content_hidden";
		obj.style.width  = obj.parentNode.offsetWidth;
		obj.style.height = obj.parentNode.offsetHeight;
		obj.className = "content";
	}
}

function focus ()
{
	top.focus ();
}

function setValue (name, value, noHasChanged)
{
	new Form ().set ("value["+name+"]", value, true);
	
	if (!noHasChanged) {
		hasChanged (name);
	}
}

function getValue (name)
{
	return new Form ().get ("value["+name+"]");
}

function hasChanged (name)
{
	var value = getValue (name);
	if ((value == state.values[name]) == (state.hasChanged[name] == true)) {
		if (typeof state.values[name] == "undefined") {
			state.values[name] = "";
		}
		state.hasChanged[name] = !state.hasChanged[name];
		var changed = false;
		for (var i in state.hasChanged) {
			changed |= state.hasChanged[i];
		}
		state.quickbar.disabledButtons.save = !changed;
		state.quickbar.disabledButtons.undo = !changed;
		updateQuickbar ();
	}
}

var disableButtonsList = Array ();
function updateQuickbar ()
{
	for (var name in disableButtonsList) {
		document.getElementById (name).setEnabled (true);
	}
	disableButtonsList = Array ();
	for (var name in state.quickbar.disabledButtons) {
		if (state.quickbar.disabledButtons[name]) {
			document.getElementById (name).setEnabled (false);
			disableButtonsList[name] = true;
		}
	}
}

function update ()
{
	updateQuickbar ();
	top.setStatus (state.statusbar.value);
}

function save (onCompletion)
{
	// Alle zu speichernde Werte zusammen suchen
	var changeLanguage = false;
	var values = "";
	for (var name in state.hasChanged) {
		if (state.hasChanged[name]) {
			state.values[name] = getValue(name);
			values += "&value["+name+"]="+encodeURIComponent (state.values[name]);
			if (name == "language") {
				changeLanguage = true;
			}
		}
	}
	if (values) {
		state.hasChanged = Array ();
		top.setProgress (true);
		var path = window.location.pathname.replace (/(.*\/).*/, "$1"); // ist für Save beim direkten öffnen einer neuen Seite
		var request = new Ajax (path+"tpl_user_settings_action.php", "action=save&"+values);
		request.onCompletion = onCompletion ? onCompletion : function (response) {
			try {
				if (changeLanguage) {
					reload ();
				} else {
					eval (response);
					state.hasChanged = Array ();
					new Form ().set ("value[password]", "");
					new Form ().set ("value[password2]", "");
					showMessages (state.messages);
					update ();
					focus ();
				}
			} catch (e) {};
		}
		request.run ();
		return true;
	} else {
		return false;
	}
}

function undo ()
{
	// zuerst Änderungen speichern
	if (save (undo)) {
		return;
	}
	
	// Undo durchführen
	top.setProgress (true);
	var request = new Ajax ("tpl_user_settings_action.php", "action=undo");
	request.onCompletion = function (response) {
		eval (response);
		state.hasChanged = Array ();
		for (var name in state.values) {
			setValue (name, state.values[name], true);
		}
		update ();
		focus ();
	}
	request.run ();
}

function redo ()
{
	top.setProgress (true);
	var request = new Ajax ("tpl_user_settings_action.php", "action=redo");
	request.onCompletion = function (response) {
		eval (response);
		state.hasChanged = Array ();
		for (var name in state.values) {
			setValue (name, state.values[name], true);
		}
		update ();
		focus ();
	}
	request.run ();
}

function reload ()
{
	top.reload (true);
	window.location.reload ();
}

function help ()
{
	top.setProgress (true);
	var request = new Ajax ("tpl_user_settings_action.php", "action=message&text=help text");
	request.onCompletion = function (response) {
		showMessages ({0:{type : "info", text : response}});
		top.setProgress (false);
	}
	request.run ();
}