Не меняется цена - [VM2&3] Управление товарами, атрибутами, типами, ценами

 
		//VmConfig::$echoDebug = TRUE;
		$prices = $product_model->getPrice ($virtuemart_product_id, $customPrices, $quantity);
                //добавить
                $prices['basePrice'] = $prices['basePrice'] * $quantity;
                $prices['basePriceWithTax'] = $prices['basePriceWithTax'] * $quantity;
                $prices['discountedPriceWithoutTax'] = $prices['discountedPriceWithoutTax'] * $quantity;
                $prices['salesPrice'] = $prices['salesPrice'] * $quantity;
                $prices['salesPriceWithDiscount'] = $prices['salesPriceWithDiscount'] * $quantity;
                $prices['taxAmount'] = $prices['taxAmount'] * $quantity;
                $prices['discountAmount'] = $prices['discountAmount'] * $quantity;
                $prices['basePriceWithTax'] = $prices['basePriceWithTax'] * $quantity; 

<script type="text/javascript" language="JavaScript">
$(window).load(function () {	
	$("form.product").each(function() {
		var form = jQuery(this);
		var quantity=form.find('.quantity-input'), quantityInt = parseInt(quantity.val());		
		var plus = form.find('.quantity-plus');
		var minus = form.find('.quantity-minus');		
		var id = form.find('input[name="virtuemart_product_id[]"]').val();		
		var	prices = $("#productPrice" + id);		
		var stepval = form.find('input[name="quantity"]').val(); 
		var step = (isNaN(parseInt(stepval)))? 1 : parseInt(stepval);		
		var datas = form.serialize();		
		plus.unbind('click');
		minus.unbind('click');		
		var setvalue = function () {
			$.getJSON(window.vmSiteurl + 'index.php?option=com_virtuemart&nosef=1&view=productdetails&task\
			=recalculate&virtuemart_product_id='+id+'&format=json' + window.vmLang, encodeURIComponent(datas),
			function (datas, textStatus) {						
						for (var key in datas) {							
							if (datas[key] != 0 && datas[key] != null) {								
								var pricestr = datas[key].match(/^[.]*([\d]+[\W]*[\d]*)(.*)/);
								price = parseFloat(pricestr[1].replace(/[,]+/g, '.'));
								currency = pricestr[2];								
								prices.find("span.Price"+key).html((price*quantityInt).toFixed(2)+currency);								
							}
						}	
			});
		}	
		plus.click(function() {			
			if (!isNaN(quantityInt)) {
				quantityInt += step;
				quantity.val(quantityInt);
			}
			setvalue();			
		});			
		minus.click(function() {
			if (!isNaN(quantityInt) && quantityInt>step) {
				quantityInt -= step;
				quantity.val(quantityInt);
			} else quantityInt = step;		
			setvalue();			
		});
	});	
}); 
</script>

<div id="amountItem"></div>
<script type="text/javascript">
(function($) {
	$(document).ready(function() {
		amountItem();
		$(".quantity-controls").click(function() {
			setTimeout(function() { amountItem(); }, 500);
		});
		function amountItem() {			
			var price = parseFloat($("span.PricepriceWithoutTax").html().replace(/[^,\d]/g,'').replace(/,/g, '.'));
			var qty = $(".quantity-input").val();
			var amountItem = (price*qty).toFixed(2);
			$("#amountItem").html(amountItem);
		}
	});
})(jQuery);
</script>

<script type="text/javascript" language="JavaScript">
$(window).load(function () {	
	$("form.product").each(function() {
		var form = jQuery(this);
		var quantity=form.find('.quantity-input'), quantityInt = parseInt(quantity.val());		
		var plus = form.find('.quantity-plus');
		var minus = form.find('.quantity-minus');		
		var id = form.find('input[name="virtuemart_product_id[]"]').val();		
		var prices = form.parents(".productdetails").find(".product-price");
		if (0 == prices.length) {
			prices = $("#productPrice" + id);
		}	
		var stepval = form.find('input[name="quantity"]').val(); 
		var step = (isNaN(parseInt(stepval)))? 1 : parseInt(stepval);		
		var datas = form.serialize();		
		plus.unbind('click');
		minus.unbind('click');		
		var setvalue = function () {
			$.getJSON(window.vmSiteurl + 'index.php?option=com_virtuemart&nosef=1&view=productdetails&task\
			=recalculate&virtuemart_product_id='+id+'&format=json' + window.vmLang, encodeURIComponent(datas),
			function (datas, textStatus) {						
						for (var key in datas) {							
							if (datas[key] != 0 && datas[key] != null) {								
								var pricestr = datas[key].match(/^[.]*([\d]+[\W]*[\d]*)(.*)/);
								price = parseFloat(pricestr[1].replace(/[,]+/g, '.'));
								currency = pricestr[2];								
								prices.find("span.Price"+key).html((price*quantityInt).toFixed(2)+currency);								
							}
						}	
			});
		}	
		plus.click(function() {			
			if (!isNaN(quantityInt)) {
				quantityInt += step;
				quantity.val(quantityInt);
			}
			setvalue();			
		});			
		minus.click(function() {
			if (!isNaN(quantityInt) && quantityInt>step) {
				quantityInt -= step;
				quantity.val(quantityInt);
			} else quantityInt = step;		
			setvalue();			
		});
	});	
}); 
</script>