protected function tfoot_append()
    {
        ?>
		<div class="wpsc-row wpsc-cart-item-table-actions">
				<?php 
        do_action('wpsc_cart_item_table_tfoot_actions');
        ?>
		</div>
		<?php 
        parent::tfoot_append();
    }
    protected function tfoot_append()
    {
        ?>
		<tr class="wpsc-cart-item-table-actions">
			<td colspan="<?php 
        echo count($this->columns);
        ?>
">
				<?php 
        do_action('wpsc_cart_item_table_tfoot_actions');
        ?>
			</td>
		</tr>
		<?php 
        parent::tfoot_append();
    }
    protected function tfoot_append()
    {
        $prev = isset($_REQUEST['prev']) ? esc_attr($_REQUEST['prev']) : '';
        $clear_cart_url = add_query_arg(array('prev' => $prev, '_wp_nonce' => wp_create_nonce('wpsc-clear-cart')), wpsc_get_cart_url('clear'));
        ?>
		<tr class="wpsc-cart-item-table-actions">
			<td></td>
			<td colspan="<?php 
        echo count($this->columns) - 1;
        ?>
">
				<a class="wpsc-button wpsc-button-small wpsc-clear-cart" href="<?php 
        echo $clear_cart_url;
        ?>
"><?php 
        esc_html_e('Clear Cart', 'wpsc');
        ?>
</a>
				<input type="submit" class="wpsc-button wpsc-button-small wpsc-cart-update" name="update_quantity" value="<?php 
        esc_html_e('Update Quantity', 'wpsc');
        ?>
" />
				<input type="hidden" name="action" value="update_quantity" />
				<input type="hidden" name="prev" value="<?php 
        echo $prev;
        ?>
 ">
			</td>
		</tr>
		<?php 
        parent::tfoot_append();
    }