ab-item-leftmost-disabled</option>
        <option><img src="theme:tab-item-leftmost-focused">theme:tab-item-leftmost-focused</option>

        <option><img src="theme:tab-item-rightmost-normal">theme:tab-item-rightmost-normal</option>
        <option><img src="theme:tab-item-rightmost-hover">theme:tab-item-rightmost-hover</option>
        <option><img src="theme:tab-item-rightmost-selected">theme:tab-item-rightmost-selected</option>
        <option><img src="theme:tab-item-rightmost-disabled">theme:tab-ite