$(document).ready(function () {
	var all = [], chosen;
	$('.menu_item').each(function () { var p = $(this).attr('href'); all.push(p.substr(p.indexOf('#'))); }).click(function () {
			$('.menu_item').removeClass('active'); $(this).addClass('active').blur();
		});
	chosen = all[0];
	if (!document.location.hash) document.location.hash = chosen;
	chosen = false; //Aby se inicializoval
	function hash()
	{
		if (document.location.hash && $.inArray(document.location.hash, all) > -1)
		{
			if (chosen != document.location.hash)
			{
				chosen = document.location.hash;
				$('.sekce').css('display', 'none');
				$('[name=_'+chosen.substr(1)+']').css('display', 'block');
			}
		}
		setTimeout(hash, 100);
	}
	hash();
	$('.menu_item').each(function () { var p = $(this).attr('href'); if ((p.substr(p.indexOf('#'))) == document.location.hash) $(this).addClass('active'); })
});