// page init
$(document).ready(function(){
	initPage();
});
// form validation
function initPage() {
	var _hold = $('ul.tabset');
	var _close = _hold.find('a.close');
	var _el = _hold.find('> li');
	var _btn = _hold.find('a.open');
	var _popup = _hold.find('div.popup');
	var active = _el.index(_el.filter('.active:eq(0)'));
	if (active = -1) active = 0;
	var last = active;
	_btn.click(function(){
		active = _btn.index($(this));
		if (last != active){
			_popup.eq(last).slideUp(500);
			_popup.eq(active).slideDown(500);
			last = active;
			_el.removeClass('active').eq(active).addClass('active');
		}
		return false;
	})
	_close.click(function(){
		active = 0;
		_popup.eq(last).slideUp(500);
		_popup.eq(active).slideDown(500);
		last = active;
		_el.removeClass('active').eq(active).addClass('active');
		return false;
	});
};