Навигация по товарам - [VM2&3] Модификации и хаки

<?php
    // Product Navigation
    if (VmConfig::get('product_navigation', 1)) { ?>
	 <div class="product-neighbours">
	    <?php
	    if (!empty($this->product->neighbours ['previous'][0])) {
		$prev_link = JRoute::_('index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=' . $this->product->neighbours ['previous'][0] ['virtuemart_product_id'] . '&virtuemart_category_id=' . $this->product->virtuemart_category_id);
		echo JHTML::_('link', $prev_link, $this->product->neighbours ['previous'][0]
			['product_name'], array('class' => 'previous-page'));
	    }
	    if (!empty($this->product->neighbours ['next'][0])) {
		$next_link = JRoute::_('index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=' . $this->product->neighbours ['next'][0] ['virtuemart_product_id'] . '&virtuemart_category_id=' . $this->product->virtuemart_category_id);
		echo JHTML::_('link', $next_link, $this->product->neighbours ['next'][0] ['product_name'], array('class' => 'next-page'));
	   }
	    ?>

<?php // Product Main Image
		if (!empty($this->product->images[0])) { ?>
			<div class="main-image">
				<?php echo str_replace('<a', '<a class="modal"', $this->product->images[0]->displayMediaFull('class="product-image"',true,"class='modal'",true)); ?>
			</div>
			<?php } // Product Main Image END ?>

<?php // Product Short Description
						if(!empty($product->product_s_desc)) { ?>
				<p class="product_s_desc">
					<?php echo shopFunctionsF::limitStringByWord($product->product_s_desc, 40, '...')?>
				</p>
				<?php } ?>