$(document).ready(function(){
	if ($('.index-page .layout').height() < $(document).height()) $('.index-page .layout').css({'margin-top': ($(document).height() - $('.index-page .layout').height()) / 2});
	if ($('.sidebar img').size() == 0) $('.main').css({width: 880});
	calendar = function ($year) {
		$('.menu-sub .active').removeClass('active').parent().find('#calendar-'+$year+'-tab').addClass('active');
		$('.concert-list li').hide().parent().find('.calendar-'+$year).show();
	}
});