// ----------------------------------------------------

		var itemSelectHandler = function (sType, aArgs) {

			YAHOO.log(sType); //this is a string representing the event;
			//e.g., "itemSelectEvent"
			var oMyAcInstance = aArgs[0]; // your AutoComplete instance
			var elListItem = aArgs[1]; //the <li> element selected in the suggestion
			//container
			var aData = aArgs[2]; //array of the data for the item as returned by the DataSource

			var my_input_id = aArgs[0]._elTextbox.id;
			var my_product_code_reg_exp = /product-code/g;
			var my_product_code_search = my_input_id.search(my_product_code_reg_exp);
			var my_product = my_input_id.substring(0, my_product_code_search - 1);

			send_data(my_product, 'product-code');

		}; // var itemSelectHandler = function (sType, aArgs) {

		// ----------------------------------------------------

		function set_values (return_data) {
//alert(return_data);
			my_product = return_data.product.replace(/_/g, '-');

			my_form_id = my_product + '-form';
			my_form = document.getElementById(my_form_id);
			my_product_code_element_id = my_product + '-product-code';//alert(my_product_code_element_id);
			my_product_code_element = document.getElementById(my_product_code_element_id);

			selections = return_data.selections;
			potential_values = return_data.potential_values;

			product_code = selections.product_code;
			my_product_code_element.value = product_code;
			my_add_button_id = my_product + '-add-button';
			my_add_button = document.getElementById(my_add_button_id);
			my_pdf_button_id = my_product + '-pdf';
			my_pdf_button = document.getElementById(my_pdf_button_id);
			if (product_code != '') {
				my_add_button.style.display = 'block';
				my_pdf_button.style.display = 'block';
			} else {
				my_add_button.style.display = 'none';
				my_pdf_button.style.display = 'none';
			}

			for (var potential_values_key in potential_values) {

				// example: ultrasteel-stud-web-text-select-depend
				select_id = my_product + '-' + potential_values_key.replace(/_/g, '-') + '-select-depend';
				my_select = document.getElementById(select_id);

				select_values = potential_values[potential_values_key];

				my_select.options.length = 0;
				my_select.options[0] = new Option ('Choose...', '');
				for (i = 0; i < select_values.length; i++) {
					new_value = select_values[i];
					my_select.options[i + 1] = new Option (select_values[i], select_values[i]);
					if (new_value == selections[potential_values_key]) {
						my_select.selectedIndex = i + 1;
					} // if
				} // for

			} // for

			disable_form_elements(my_product, false);

			if ((return_data.change_key == 'product_code') && (product_code == '')) {
				alert ('Product code not found.');
			}


		} //  function set_values ()

		// ----------------------------------------------------

		var returning_data = {
			// Successful XHR response handler

			success : function (o) {

				var return_data = [];

				// Use the JSON Utility to parse the data returned from the server

				try {
					return_data = YAHOO.lang.JSON.parse(o.responseText);

				} catch (x) {
					alert('Error processing product data.  Please inform support.');
					return;
				}

				set_values(return_data);

			}, // success : function (o) {

			failure : function (o) {
				if (!YAHOO.util.Connect.isCallInProgress(o)) {
					// Causes error if you try to navigate to another page before the responses are returned from ajax.php.
					// alert('Error retrieving product data.  Please inform support.');
				}
			}, // failure : function (o) {

			timeout : 20000
		}; // var returning_data = {

		// ----------------------------------------------------

		function send_data (my_product, my_change_key) {

			my_form_id = my_product + '-form';
			disable_form_elements(my_product, true);
			my_form = document.getElementById(my_form_id);
			my_product_code_element_id = my_product + '-product-code';
			my_product_code_element = document.getElementById(my_product_code_element_id);

			if (my_change_key == 'initialize') {
				my_send_product_code = '';
			} else {
				my_send_product_code = my_product_code_element.value
			}

			send_array = {
				'product' : my_product.replace(/-/g, '_'),
				'change_key' : my_change_key.replace(/-/g, '_'),
				'selections' : {
					'product_code' : my_send_product_code
				}
			};

			for (i = 0; i < my_form.length; i ++) {
				e = my_form.elements[i];
				my_id = new String(e.id);
				select_depend_reg_exp = /select-depend/g;
				select_name_begin = my_product.length;

				select_depend_search = my_id.search(select_depend_reg_exp);

				if (select_depend_search >= 0) {
					my_selector_name = my_id.substring(select_name_begin + 1, select_depend_search - 1);
					if (my_change_key == 'initialize') {
						send_array.selections[my_selector_name.replace(/-/g, '_')] = '';
					} else {
						send_array.selections[my_selector_name.replace(/-/g, '_')] = e.value;
					} //  if
				} //  if

			} // for


			var jsonStr = YAHOO.lang.JSON.stringify(send_array);//alert(jsonStr);
			YAHOO.util.Connect.asyncRequest('POST',"ajax.php", returning_data, 'send_array=' + escape(jsonStr));

		} // function send_data () {

		// ----------------------------------------------------