<?php
                       
$total_price = $i = 0;
foreach ( $Cart->getItems() as $order_code=>$quantity ) :
$total_price += $quantity*$Cart->getItemPrice($order_code);
?>
<?php echo $i++%2==0 ? "<tr>" : "<tr class='odd'>"; ?>
<td class="quantity center"><input type="text" style="border-color:#b01327; border-style:solid; border-width:1px"     name="quantity[<?php echo $order_code; ?>]" size="3" value="<?php echo $quantity; ?>" tabindex="<?php echo $i; ?>" /></td>
<td class="item_name"><?php echo $Cart->getItemName($order_code); ?></td>
<td class="unit_price"><?php echo $Cart->getItemPrice($order_code); ?> руб.</td>
<td class="extended_price"><?php   echo (($Cart->getItemPrice($order_code))*$quantity); ?> руб.</td>
<td class="remove center"><input type="checkbox" name="remove[]" value="<?php echo $order_code; ?>" /></td>
</tr>
<?php endforeach; ?>

$total_price = $i = 0;
foreach ( $Cart->getItems() as $order_code=>$quantity ) :
$total_price += $quantity*$Cart->getItemPrice($order_code);

$i = 0;
foreach ( $Cart->getItems() as $order_code=>$quantity ) :
$total_price = $quantity*$Cart->getItemPrice($order_code);
 

function calcPrice() {
    var totalPrice = 0;
    $("#cart tr .quantity").parent().each(function() {
        var quantity = $(".quantity input", this).val();
        var unitPrice = $(".unit_price", this).text().slice(1);
        var extendedPrice = quantity*unitPrice;
        totalPrice += extendedPrice;
       
        $(".extended_price", this).html("$" + extendedPrice);
        $("#total_price").html("$"+totalPrice);
    });
    if ( totalPrice == 0 ) {
        $("#cart").parent().replaceWith("<p class='center'>Ваша Корзина Пуста</p>");
    }
}

        $(".extended_price", this).html("$" + extendedPrice);
         $("#total_price").html("$"+totalPrice);