/**
 * Listens for changes to the "How should we contact you?" dropdown at /footer/contact_us.jsp
 */
(function($) {
	$(document).ready(function() {
		// Listen for changes to to the "topic" dropdown
		(function() {
			var nodes = {}; // stores the node references
			var ids = [ // a list of node ids
				'CHOOSE_ONE',
				'SITE_COMMENTS',
				'PRODUCT_INFORMATION',
				'CUSTOMER_SUPPORT'
			];

			$.each(ids, function(i, id) { // key the node reference by the id
				nodes[id] = $(['#', id].pack());
			});

			$('#contactUsForm').change(function() { // Yes, this is a <select>..
				var key = $(this).val();
				$.each(nodes, function(k, v) { // Hide all nodes
					v.hide();
				});
				nodes[key].show(); // show keyed node
				$(this).blur(); // go away
			}).change(); // fire immediately
		})();
	});
})(jQuery);