jQuery(document).ready(function($){
  // set up the options to be used for jqDock...
  var dockOptions =
    { align: 'middle' // horizontal menu, with expansion UP/DOWN from the middle
    , size: 46  // set the maximum minor axis (horizontal) image dimension to 36px
    , labels: 'bc'  // add labels (override the 'tc' default)
    };
  // ...and apply...
  $('.menu').jqDock(dockOptions);
});