//NOTE: this code depends on dynamic js assignments in INCLUDES/queries/product_attributes_data.tpl
 function checkQty(form, product_id) {
 var qtyStr = form.elements["item_1_quantity"].value;
 qtyStr = qtyStr.replace(/^\s+|\s+$/g,"");
 if (qtyStr.length == 0 || isNaN(qtyStr)) {
 alert("A numeric quantity value must be entered.");
 return false;
 } else {
 return setPriceInfo(form, product_id, true);
 }
 }
 function setPriceInfo(form, product_id, doAlert)
 {
 var field_name;
 var elem;
 var attrStr = '';
 var price;
 var freight_yn;
 var stockMsg;
 var regular_price;
 var selIdx;
 var allSelected = true;
 var attrVal = ''
 var regexpDoubleQuotes = new RegExp(""");
 var priceHTML = '';
 var unselectedOptions = new Array();
 var unselectedCounter = 0;
 var error_message = '';
 var skuid = '';
 field_name = "item_1_Color";
 //alert("field_name=" + field_name);
 elem = form.elements[field_name];
 if (elem.type == "select-one") {
 selIdx = elem.selectedIndex;
 if (selIdx) {
 attrVal = elem.options[selIdx].value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 //alert('fu1 =' + field_name + '-' + elem.options[selIdx].value);
 } else {
 unselectedOptions[unselectedCounter++] = "color";
 //alert('fu2 =' + field_name + '-' + selIdx);
 }
 } else {
 attrVal = elem.value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 }
 field_name = "item_1_Size";
 //alert("field_name=" + field_name);
 elem = form.elements[field_name];
 if (elem.type == "select-one") {
 selIdx = elem.selectedIndex;
 if (selIdx) {
 attrVal = elem.options[selIdx].value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 //alert('fu1 =' + field_name + '-' + elem.options[selIdx].value);
 } else {
 unselectedOptions[unselectedCounter++] = "size";
 //alert('fu2 =' + field_name + '-' + selIdx);
 }
 } else {
 attrVal = elem.value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 }
 field_name = "item_1_Style";
 //alert("field_name=" + field_name);
 elem = form.elements[field_name];
 if (elem.type == "select-one") {
 selIdx = elem.selectedIndex;
 if (selIdx) {
 attrVal = elem.options[selIdx].value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 //alert('fu1 =' + field_name + '-' + elem.options[selIdx].value);
 } else {
 unselectedOptions[unselectedCounter++] = "style";
 //alert('fu2 =' + field_name + '-' + selIdx);
 }
 } else {
 attrVal = elem.value;
 attrVal.replace(regexpDoubleQuotes, '"');
 attrStr += attrVal;
 }
 if (unselectedCounter) {
 if (doAlert) {
 error_message += "Please select ";
 for (i = 0; i < unselectedOptions.length; i++) {
 if (i > 0) {
 error_message += "/";
 }
 error_message += unselectedOptions[i];
 }
 error_message += " for item #" + product_id + ".\n";
 alert(error_message);
 }
 //eval('sku_exists_' + product_id + ' = false;');
 if (eval("default_regular_product_price_" + product_id)) {
 priceHTML += '<span class="product_was_price">Was:&nbsp;' + eval("default_regular_product_price_" + product_id) + '</span><br>';
 priceHTML += '<span class="product_now_price">Now:&nbsp;' + eval("default_product_price_" + product_id) + '</span>';
 } else {
 priceHTML += '<span class="product_now_price">' + eval("default_product_price_" + product_id) + '</span>';
 }
 document.getElementById("priceInfo" + product_id).innerHTML = priceHTML;
 document.getElementById("stockMsg_" + product_id).innerHTML = '';
 document.getElementById("skuID_" + product_id).innerHTML = 'Item# ' + product_id;
 return false;
 } else {
 //all existing attributes selected
 price = eval("prices_by_sku_" + product_id + "['" + attrStr + "']"); 
 regular_price = eval("regular_prices_by_sku_" + product_id + "['" + attrStr + "']"); 
 //alert("price=" + price + " prices_by_sku_" + product_id + "['" + attrStr + "']"); 
 if (typeof(price) == 'undefined') {
 //exception! price not found for selected attributes
 //eval('sku_exists_' + product_id + ' = false;');
 if (eval("default_regular_product_price_" + product_id)) {
 priceHTML += '<span class="product_was_price">Was:&nbsp;' + eval("default_regular_product_price_" + product_id) + '</span><br>';
 priceHTML += '<span class="product_now_price">Now:&nbsp;' + eval("default_product_price_" + product_id) + '</span>';
 } else {
 priceHTML += '<span class="product_now_price">' + eval("default_product_price_" + product_id) + '</span>';
 }
 document.getElementById("priceInfo" + product_id).innerHTML = priceHTML;
 document.getElementById("stockMsg_" + product_id).innerHTML = '';
 document.getElementById("skuID_" + product_id).innerHTML = 'Item# ' + product_id;
 alert("We're sorry, option selections incomplete or this product in the option(s) selected is not currently available. Please try another option(s).");
 return false;
 } else {
 freight_yn = eval("freight_yn_by_sku_" + product_id + "['" + attrStr + "']"); 
 form.elements["item_1_extra::freight_yn"].value = freight_yn;
 stockMsg = eval("stockMsg_by_sku_" + product_id + "['" + attrStr + "']"); 
 document.getElementById("stockMsg_" + product_id).innerHTML = stockMsg;
 //added by greg wood
 skuid = eval("skuid_by_sku_" + product_id + "['" + attrStr + "']"); 
 document.getElementById("skuID_" + product_id).innerHTML = 'Item# ' + skuid;
 //alert('freight_yn = ' + freight_yn);
 //price found for selected attributes
 //eval('sku_exists_' + product_id + ' = true;');
 if (regular_price && regular_price != price) {
 priceHTML += '<span class="product_was_price">Was:&nbsp;' + regular_price + '</span><br>';
 priceHTML += '<span class="product_now_price">Now:&nbsp;' + price + '</span>';
 } else {
 priceHTML += '<span class="product_now_price">' + price + '</span>';
 }
 document.getElementById("priceInfo" + product_id).innerHTML = priceHTML;
 if (eval("sku_discontinued_" + product_id + "['" + attrStr + "']")) {
 alert("We're sorry, this product in the option(s) selected is not currently available. Please try another option(s).");
 return false;
 } else {
 return true;
 }
 }
 }
 }