js comboboxes

// Top Box
		$('#blogcategory').change( function() {
					//alert('this is yelling');		
			var val = $('#blogcategory').attr('value');
			// alert ('val test' + val);
			$.getJSON('http://staging.tickettoride.org/js/comboboxes.php?q=' + val, function(json){
				// alert(json[0].cat_id); // <h1>Program Overview</h1><h1>January 29, 2009</h1>
    			// alert(json[0].cat_name); // "Management Services"
    			// alert(json[0].cat_url_title); // "1"
				$("#destination_point").css("display","block");
				$("#destination_point").html("<option value='' selected='selected'>--- Choose your destination ---</option>");
				$("#destination_point").append("<option value='" + json[0].cat_id + "'>" + json[0].cat_name + "</option>");
				$("#destination_point").fadeIn("slow");
			});
 
		});