$(function()
{
	$('#category').chainSelect('#podcategory','category.php',
	{ 
		before:function (target) //before request hide the target combobox and display the loading message
		{ 
			$(".podcategory").css("display","");
			$("#loading").css("display","inline");
			$(target).css("display","none");
		},
		after:function (target) //after request show the target combobox and hide the loading message
		{ 
			$("#loading").css("display","none");
			$(target).css("display","");
		}
	});
});