changepassword: function () {
			app.addPopup(ChangePasswordPopup);
		},
var ChangePasswordPopup = this.ChangePasswordPopup = Popup.extend({
		type: 'semimodal',
		initialize: function (data) {
			var buf = '<form>';
			if (data.error) {
				buf += '<p class="error">' + data.error + '</p>';
			} else {
				buf += '<p>Change your password:</p>';
			}
			buf += '<p><label class="label">Username: <strong>' + app.user.get('name') + '</strong></label></p>';
			buf += '<p><label class="label">Old password: <input class="textbox autofocus" type="password" name="oldpassword" /></label></p>';
			buf += '<p><label class="label">New password: <input class="textbox" type="password" name="password" /></label></p>';
			buf += '<p><label class="label">New password (confirm): <input class="textbox" type="password" name="cpassword" /></label></p>';
			buf += '<p class="buttonbar"><button type="submit"><strong>Change password</strong></button> <button name="close">Cancel</button></p></form>';
			this.$el.html(buf);
		},
submit: function (data) {
			$.post(app.user.getActionPHP(), {
				act: 'changepassword',
				oldpassword: data.oldpassword,
				password: data.password,
				cpassword: data.cpassword
			}, Tools.safeJSON(function (data) {
				if (!data) data = {};
				if (data.actionsuccess) {
					app.addPopupMessage("Your password was successfully changed.");
				} else {
					app.addPopup(ChangePasswordPopup, {
						error: data.actionerror
					});
				}
			}), 'text');
		}
	});