Widget: Koha Search

<form class="form-inline centered" name="searchform" method="get" action="" id="searchform" target="_blank">

 Search the
 <select class="form-control-lg" name="idx" id="masthead_search">
                                   <option value="">library catalog</option>
                                   <option value="ti">book titles</option>
                                   <option value="au">authors</option>
                                   <option value="su">subjects</option>
                                   <option value="nb">ISBNs</option>
                                   <option value="se">series</option>
                                   <option value="callnum,phr">call numbers</option>
                               </select>
 <input type="text" class="form-control-lg transl1" id="translControl1" placeholder="for...">
 <button type="submit" class="btn btn-primary btn-lg" id="searchsubmit">Go</button>

</form>