<div class="btn-group">
    <button class="btn btn-mini x-automatic-search x-automatic-search-icon" title="Automatic Search" data-container="body"><i class="icon-search"></i></button>
    <button class="btn btn-mini dropdown-toggle" data-toggle="dropdown">
        <span class="caret"></span>
    </button>
    <ul class="dropdown-menu">
        <li class="x-automatic-search">Automatic Search</li>
        <li class="x-manual-search">Manual Search</li>
    </ul>
</div>