Magento: cart details in any page

<?php
    $cart = Mage::getModel('checkout/cart')->getQuote();?>
    <ul>
    <?php
        foreach ($cart->getAllItems() as $item) {
            $productId = $item->getProduct()->getId();
            $productPrice = $item->getProduct()->getPrice();?>
            <li>
                <img src="<?php echo $item->getProduct()->getThumbnailUrl(); ?>" />
                <?php 
                  echo Mage::helper('core')->currency($item->getProduct()->getFinalPrice(),true,false);;
                ?>
            </li>
    <?php
        }?>
    </ul>
    <?php
?>