<?php echo $this->getChildHtml('crosssell') ?>

<block type="checkout/cart_crosssell" name="checkout.cart.crosssell" as="crosssell" template="checkout/cart/crosssell.phtml"/>

<?xml version="1.0"?>
<config>
    <modules>
        <Rkt_CrossSell>
            <active>true</active>
            <codePool>community</codePool>
            <depends>
                <Mage_Catalog />
            </depends>
        </Rkt_CrossSell>
    </modules>
</config>

<?xml version="1.0"?>
<config>
    <modules>
        <Rkt_CrossSell>
          <version>1.0.0</version>
        </Rkt_CrossSell>
    </modules>
    <global>
        <helpers>
            <rkt_crossell>
                <class>Rkt_CrossSell_Helper</class>
            </rkt_crossell>
        </helpers>
        <blocks>
            <rkt_crossell>
                <class>Rkt_CrossSell_Block</class>
            </rkt_crossell>
        </blocks>
    </global>
    <frontend>
        <layout>
            <updates>
                <rkt_crossell>
                    <file>rkt_crossell.xml</file>
                </rkt_crossell>
            </updates>
        </layout>
    </frontend>
</config>

<?php
class Rkt_CrossSell_Block_Catalog_Product_View_Crosssell extends Mage_Checkout_Block_Cart_Crosssell
{

    /**
     * Get crosssell items
     *
     * @return array
     */
    public function getItems()
    {
        $items = $this->getData('items');
        if (is_null($items)) {
            $items = $this->getProduct()->getCrossSellProducts();
            $this->setData('items', $items);
        }
        return $items;
    }
}

<?php
class Rkt_CrossSell_Helper_Data extends Mage_Core_Helper_Abstract
{

}

<?xml version="1.0"?>
<layout>
    <catalog_product_view>
        <reference name="product.info">
            <block type="rkt_crossell/catalog_product_view_crosssell" name="product.view.crosssell" as="crosssell" template="checkout/cart/crosssell.phtml" />
        </reference>
    </catalog_product_view>
</layout>

<?php echo $this->getChildHtml('crosssell') ?>

<?php if($_crossSellProducts = $_product->getCrossSellProducts()): ?>

            <div class="topproducts_containter">
            <div class="topsellerTitle">TOP <?php echo strtoupper(Mage::getModel('catalog/layer')->getCurrentCategory()->getName()); ?> PRODUCTS</div>

            <?php foreach ($_crossSellProducts as $_item): ?>
                <?php $_item = Mage::getModel('catalog/product')->load($_item->getId()); ?>

                <div class="col-sx-12 col-sm-2 items">
                    <div class="img">
                        <a class="product-image" href="<?php echo $_item->getProductUrl() ?>" title="<?php echo $this->htmlEscape($_item->getName()) ?>">
                            <img src="<?php echo $this->helper('catalog/image')->init($_item, 'small_image')->resize(100, 150); ?>" alt="<?php echo $this->htmlEscape($_item->getName()) ?>" />
                        </a>
                    </div>
                    <div class="name">
                        <a href="<?php echo $_item->getProductUrl() ?>">
                                <?php echo $this->htmlEscape($_item->getName()) ?>
                        </a>
                    </div>
                    <div class="price">
                               <?php echo $this->getPriceHtml($_item, true) ?>
                    </div>
               </div>
            <?php endforeach; ?>
            <div class="clearer"></div>
            </div>
        <?php endif; ?>

<catalog_product_view>
    <reference name="root">
        <block type="checkout/cart_crosssell" name="product.page.crosssell" as="crosssell" template="checkout/cart/crosssell.phtml"/>
    </reference>
</catalog_product_view>

<?php echo $this->getBlockHtml('product.page.crosssell') ?>