function displayCategories() {

    //$cats = wp_list_categories('hierarhical=0&depth=1&echo=0'); <- this dont work 100% good
    $cats = get_categories('hierarhical=1&parent=0'); <- returns an array object
    $count = 0;
    //echo '<pre>';print_r($cats);echo '</pre>';

    foreach ($cats as $categories) {
        $count = $count + 1;

        if($count == 4 || $count == 7 || $count == 10 || $count == 13 || $count == 16 || $count == 19)
            {
                echo '<div class="clear"></div>';
            }

        echo "<div class=\"categoryItem";
                if($count == 2 || $count == 5 || $count == 8 || $count == 11 || $count == 14 || $count == 17) { echo " space"; }
        echo "\">\n";
            //get_category_link() -> this get the link of the category
            echo "<a href=\"".get_category_link($categories->cat_ID)."\" title=\"$categories->name\">$categories->name</a>\n";
            echo "<p>$categories->description</p>\n";
        echo "</div>";
    }

    echo "<div class=\"clear\"></div>";

}