<a href="javascript: void(0)" class="prd_reviews"><?php echo JText::_('COM_VIRTUEMART_REVIEWS') ?></a>

<a href="javascript: void(0)" class="prd_reviews"><?php echo JText::_('COM_VIRTUEMART_REVIEWS') ?></a>
			<a href="javascript: void(0)" class="prd_button1"><?php echo "button1"; ?></a>
			<a href="javascript: void(0)" class="prd_button2"><?php echo "button2"; ?></a>

echo $this->loadTemplate('reviews');
			?>

echo $this->loadTemplate('reviews');
			?>
			<div class="product-button1">
				<!--content of tab buttuon1-->
				
			</div>
			<div class="product-button2">
				<!--content of tab buttuon2-->
				
			</div>

if($(this).hasClass('prd_reviews')){
				$('.tab_desc .tab_desc_conten > div').removeClass('active');
				$('.tab_desc .tab_desc_conten > div.customer-reviews').addClass('active');
			};

if($(this).hasClass('prd_button1')){
				$('.tab_desc .tab_desc_conten > div').removeClass('active');
				$('.tab_desc .tab_desc_conten > div.product-button1').addClass('active');
			};
			if($(this).hasClass('prd_button2')){
				$('.tab_desc .tab_desc_conten > div').removeClass('active');
				$('.tab_desc .tab_desc_conten > div.product-button2').addClass('active');
			};

echo $this->loadTemplate('reviews');
			?>
			<div class="product-button1">
				<!--content of tab buttuon1-->
				echo "insert picture, video at here";
			</div>
			<div class="product-button2">
				<!--content of tab buttuon2-->
				echo "insert  picture or video at here";
			</div>