function show_categories() {
	var window_url = window.location;
	window_url = String(window_url);
	var base_url = window_url.substring(window_url.indexOf('/events'), window_url.indexOf('/events')+25);

	var categories = $('#event_categories').val();
	categories = String(categories);

	if(categories.match('0')) {
		window.location = base_url;
	} else {
		categories = categories.replace(',', '+');
		window.location = base_url+categories+'/';
	}
}

function jump_to() {
	var year = $('#jump_year').val();
	var month = $('#jump_month').val();
	var day = $('#jump_day').val();

	year = String(year);
	month = String(month);
	day = String(day);

	if(month.length == 1) {
		month = '0'+month;
	}

	if(day.length == 1) {
		day = '0'+day;
	}
	window.location = '/events/month/'+year+'/'+month+'/'+day+'/';
}