« show select » doesn't respect existing quantity

case 'show_select':
		if($min_quantity == 0)
			$min_quantity = 1;
		if($max_quantity == 0)
			$max_quantity = (int)$min_quantity * 15;
		?>
		<div class="hikashop_product_quantity_div hikashop_product_quantity_input_div_select">
			<select id="hikashop_product_quantity_select_<?php echo $i; ?>" onchange="var id = this.id.replace('select','field'); document.getElementById(id).value = this.value;">
				<?php
				for($j = $min_quantity; $j <= $max_quantity; $j += $min_quantity){
					echo '<option value="'.$j.'">'.$j.'</option>';
				}
				?>
			</select>
			<input id="hikashop_product_quantity_field_<?php echo $i; ?>" type="hidden" value="<?php echo JRequest::getInt('quantity',$min_quantity); ?>" class="hikashop_product_quantity_field" name="quantity" onchange="hikashopCheckQuantityChange('hikashop_product_quantity_field_<?php echo $i; ?>',<?php echo $max_quantity; ?>,<?php echo $min_quantity; ?>);" />
		</div>
		<div class="hikashop_product_quantity_div hikashop_product_quantity_add_to_cart_div hikashop_product_quantity_add_to_cart_div_select">
			<?php echo $html; ?>
		</div>
		<?php
		dumpMessage('show_select');
		break;

case 'show_select':
		//if($min_quantity == 0)
		//	$min_quantity = 1;
		//if($max_quantity == 0)
		//	$max_quantity = (int)$min_quantity * 15;
		//dump($this,'this');
	
	
		$db = JFactory::getDBO();
		$zone = hikashop_getZone();
		$currency = hikashop_getCurrency();
		$product_id = hikashop_getCID();

		$query= 'SELECT * FROM '.hikashop_table('product').' WHERE product_id='.$product_id;
		$db->setQuery($query);
		$productRows = $db->loadObjectList();
		
		$class = hikashop_get('class.currency');
		$class->getListingPrices($productRows, $zone, $currency );

		$first = true;
		
		$tableauMinQuantity = array();
		foreach ($productRows[0]->prices as $price) {
			$min = $price->price_min_quantity;
			if ($min == 0) $min = 1;
			if (!in_array($min, $tableauMinQuantity)) $tableauMinQuantity[] = $min;	
		}
		asort($tableauMinQuantity);
		dump($tableauMinQuantity);
?>
		
		
		
		<div class="hikashop_product_quantity_div hikashop_product_quantity_input_div_select">
			<select id="hikashop_product_quantity_select_<?php echo $i; ?>" onchange="var id = this.id.replace('select','field'); document.getElementById(id).value = this.value;">
				<?php
				//for($j = $min_quantity; $j <= $max_quantity; $j += $min_quantity){
				//	echo '<option value="'.$j.'">'.$j.'</option>';
				//}
				foreach ($tableauMinQuantity as $num) {
					echo '<option value="' . (string)$num . '">' . (string)$num . '</option>';
				}
				
				?>
			</select>
			<input id="hikashop_product_quantity_field_<?php echo $i; ?>" type="hidden" value="<?php echo JRequest::getInt('quantity',$min_quantity); ?>" class="hikashop_product_quantity_field" name="quantity" onchange="hikashopCheckQuantityChange('hikashop_product_quantity_field_<?php echo $i; ?>',<?php echo $max_quantity; ?>,<?php echo $min_quantity; ?>);" />
		</div>
		<div class="hikashop_product_quantity_div hikashop_product_quantity_add_to_cart_div hikashop_product_quantity_add_to_cart_div_select">
			<?php echo $html; ?>
		</div>
		<?php
		dumpMessage('show_select');
		break;