<?php $_menu = $this->renderCategoriesMenuHtml(0, 'level-top', 'sub-wrapper' ) ?>
<?php if($_menu): ?>
<div class="nav-container">
    <div class="nav-top-title"><div class="icon"><span></span><span></span><span></span></div><a href="#"><?php echo $this->__('Navigation'); ?></a></div>
    <ul id="queldoreiNav">
<?php
        echo $_menu;
        $custom_tab = Mage::getModel('cms/block')
            ->setStoreId( Mage::app()->getStore()->getId() )
            ->load('shopper_navigation_block');
        if($custom_tab->getIsActive()) {
            echo '
            <li class="level0 level-top parent custom-block">
                <a href="#" class="level-top">
                    <span>'.$custom_tab->getTitle().'</span>
                </a>
                <div class="sub-wrapper" style="width:'.Mage::getStoreConfig('shoppersettings/navigation/custom_block_width').'px">'.$this->getLayout()->createBlock('cms/block')->setBlockId('shopper_navigation_block')->toHtml().'</div>
            </li>';
        }
        ?>
    </ul>
</div>