function checkQty(form, product_id, checkSelection, attribute) {
		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;
		}
		if(checkSelection)
		{
			return checkProductSelection(product_id, attribute);
		}
		else
		{
			return true;
		}
	}
	
	function checkProductSelection(product_id, attribute) {
		var attrDropDown = document.getElementById('attributes_' + product_id);
		var selectedValue = attrDropDown.options[attrDropDown.selectedIndex].value;
		if(selectedValue == '-1')
		{
			alert('You must select a ' + attribute + ' first.');
			return false;
		}
		return true;
	}
	
	function setPriceInfo(form, product_id) {
		var attrDropDown = document.getElementById('attributes_' + product_id);
		var selectedValue = attrDropDown.options[attrDropDown.selectedIndex].value;
		var selectedText = attrDropDown.options[attrDropDown.selectedIndex].text;
		var priceHTML;
		var skuHTML;
		var skuStockMsgHTML;
		//alert(selectedValue + ', ' + selectedText);
		if(selectedValue == '-1')
		{
			priceHTML = eval('sku_price_range_' + product_id);
			skuHTML = 'Item# ' + product_id;
			skuStockMsgHTML = '';
		}
		else
		{
			priceHTML = eval('sku_price_' + product_id + '_' + selectedValue);
			skuHTML = 'Item# ' + selectedValue;
			skuStockMsgHTML = eval('sku_stockMsg_' + product_id + '_' + selectedValue);
		}
		form.elements["item_1_sku"].value = selectedValue;
		document.getElementById('skuID_' + product_id).innerHTML = skuHTML;
		document.getElementById('priceInfo_' + product_id).innerHTML = priceHTML;
		document.getElementById('stockMsg_' + product_id).innerHTML = skuStockMsgHTML;
	}
	
	function setAccPriceInfo(product_id, attribute) {
		var attrDropDown = document.getElementById('attributes_' + product_id);
		var selectedValue = attrDropDown.options[attrDropDown.selectedIndex].value;
		var selectedText = attrDropDown.options[attrDropDown.selectedIndex].text;
		var priceHTML;
		var skuHTML;
		var skuStockMsgHTML;
		//alert(selectedValue + ', ' + selectedText);
		if(selectedValue == '-1')
		{
			priceHTML = eval('sku_price_range_' + product_id);
			skuHTML = 'Item# ' + product_id;
			skuStockMsgHTML = '';
			document.getElementById('accCart_' + product_id).checked = false;
			document.getElementById('accCart_' + product_id).disabled = true;
			document.getElementById('prod_access_content_' + product_id).style.backgroundColor = '';
			document.getElementById('errorMsg_' + product_id).innerHTML = 'You must select a ' + attribute + ' before adding this item to your cart';
			document.getElementById('accCart_' + product_id + '_span').style.outline = '';
		}
		else
		{
			priceHTML = eval('sku_price_' + product_id + '_' + selectedValue);
			skuHTML = 'Item# ' + selectedValue;
			skuStockMsgHTML = eval('sku_stockMsg_' + product_id + '_' + selectedValue);
			document.getElementById('accCart_' + product_id).value = selectedValue;
			document.getElementById('accCart_' + product_id).disabled = false;
			document.getElementById('errorMsg_' + product_id).innerHTML = '';
			if (!isAccCheckboxSelected) {
				document.getElementById('accCart_' + product_id + '_span').style.outline = '2px solid #FF0000';
			}
		}
		document.getElementById('skuID_' + product_id).innerHTML = skuHTML;
		document.getElementById('priceInfo_' + product_id).innerHTML = priceHTML;
		document.getElementById('stockMsg_' + product_id).innerHTML = skuStockMsgHTML;
	}
		
	function accCheckChanged(product_id) {
		if (document.getElementById('accCart_' + product_id).checked) {
			document.getElementById('prod_access_content_' + product_id).style.backgroundColor = '#F9F0CC';
			if (!isAccCheckboxSelected) {
				boxes = document.accessories.addToCart.length;
				for (i = 0; i < boxes; i++) {
					id = document.accessories.addToCart[i].id.toString();
					document.getElementById(id + '_span').style.outline = '';
				}
				isAccCheckboxSelected = true;
			}
		} else {
			document.getElementById('prod_access_content_' + product_id).style.backgroundColor = '';
		}
	}
	
	function famCheckChanged(sku) {
		if (document.getElementById('famCart_' + sku).checked) {
			document.getElementById('famCart_content_' + sku).style.backgroundColor = '#F9F0CC';
			if (!isFamCheckboxSelected) {
				boxes = document.famListing.addFamToCart.length;
				for (i = 0; i < boxes; i++) {
					id = document.famListing.addFamToCart[i].value.toString();
					document.getElementById('famCart_' + id + '_chkbox').style.outline = '';
				}
				isFamCheckboxSelected = true;
			}
		} else {
			document.getElementById('famCart_content_' + sku).style.backgroundColor = '';
		}
	}