$(document).ready(function() {
	cornerify();
	prepareDynamicMenu();
});

function cornerify() {
	if (!jQuery.browser.msie) {
		$('.container').cornerz({background: '#58a204', corners: 'tr', radius: '32'});
		$('.section h2, #nav-main h2').cornerz({radius: '8', corners: 'tr'});
	}
}

function prepareDynamicMenu() {
	var $items = $('#nav-main > ul > li');
	var $active_item = $items.filter('.active');

	if ($active_item.length) {
		$active_item.siblings().children('ul').hide();
	} else {
		$items.children('ul').hide();
	}

	$items.each(function() {
		var $item = $(this);
		if ($item.children('ul').length) {
			$item.children('a:first').click(function() {
				var $link = $(this);
				$item.addClass('active').siblings('.active').removeClass('active').children('ul').slideUp(500);
				$link.siblings('ul').slideDown(500);
				return false;
			});
		}
	});
}