$(function(){

	var tabContainers = $('.tabs > div');

	$(window).bind('hashchange', function () {
		var hash = window.location.hash || '#el-estudio';
	    tabContainers.hide();
	    $(hash).show();
	    $('div.tabs ul a').removeClass('selected');
		$('a[href='+hash+']').addClass('selected');
	});

	$(window).trigger('hashchange');

});