(function ($) {
		$.fn.selectChain = function (options) {
			var defaults = {
				key: "id",
	 value: "label"
			};
			
			var settings = $.extend({}, defaults, options);
			
			if (!(settings.target instanceof $)) settings.target = $(settings.target);
			
			return this.each(function () {
				var $$ = $(this);
				
				$$.change(function () {
					var data = null;
					if (typeof settings.data == 'string') {
						data = settings.data + '&' + this.name + '=' + $$.val();
				} else if (typeof settings.data == 'object') {
					data = settings.data;
					data[this.name] = $$.val();
			}
			
			settings.target.empty();
			
			$.ajax({
				url: settings.url,
				data: data,
				type: (settings.type || 'get'),
				dataType: 'json',
				success: function (j) {
					var options = [], i = 0, o = null;
					var defaultOption=false;
					var o;
					for (i = 0; i < j.length; i++) {
						// required to get around IE bug (http://support.microsoft.com/?scid=kb%3Ben-us%3B276228)
						o = document.createElement("OPTION");
						o.value = typeof j[i] == 'object' ? j[i][settings.key] : j[i];
						o.text = typeof j[i] == 'object' ? j[i][settings.value] : j[i];
						settings.target.get(0).options[i] = o;
						if (settings.selectedValue && settings.selectedValue == j[i][settings.key])
							defaultOption=o;
					}
					
					// hand control back to browser for a moment
					setTimeout(function () {
						if (defaultOption)
							$(defaultOption).attr('selected', 'selected').parent('select').trigger('change');
						else
							settings.target
							.find('option:first')
							.attr('selected', 'selected')
							.parent('select')
							.trigger('change');
					}, 0);
				},
				error: function (xhr, desc, er) {
					// add whatever debug you want here.
				}
			});
		});
	});
	};
	})(jQuery);