How To Show In Stock And Out Stock Product in Magento

 <?php if(!$_product->isSaleable()): ?>
            <div id="availability" class="availability out_of_stock"><?php echo $this->__('Out Of Stock') ?></div>
        <?php else: ?>
            <div class="availability in_stock"><?php echo $this->__('In Stock') ?></div>
        <?php endif; ?>