$('#show-action').click(function() {
  showDialog({
    title: 'Action',
    text: '<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label getmdl-select">'+
                            '<input type="text" value="" class="mdl-textfield__input" id="sample4" readonly>'+
                            '<input type="hidden" value="" name="sample4">'+
                            '<i class="mdl-icon-toggle__label material-icons">keyboard_arrow_down</i>'+
                            '<label for="sample4" class="mdl-textfield__label">Country</label>'+
                            '<ul for="sample4" class="mdl-menu mdl-menu--bottom-left mdl-js-menu">'+
                            '   <li class="mdl-menu__item" data-val="DEU">Germany</li>'+
                            '   <li class="mdl-menu__item" data-val="BLR">Belarus</li>'+
                            '   <li class="mdl-menu__item" data-val="RUS">Russia</li>'+
                            '</ul>'+
                        '</div>',
    negative: {
      title: 'Nope'
    },
    positive: {
      title: 'Yay',
      onClick: function(e) {
        alert('Action performed!');
      }
    }
  });
});