var images = [
  { title : '"Plate with Mixed Fruit" - oil pastel on bristol board',
    file : 'mixedfruit' },
  { title : '"Red Tray with Fruit" - oil pastel on bristol board',
    file : 'traywithfruit' },
  { title : '"Peaches and Plums" - oil on panel',
    file : 'peachesplums' },
  { title : '"Clementines and Grapes" - oil pastel on bristol board',
    file : 'clementines' },
  { title : '"Table with Apples in a Bowl" - oil pastel on bristol board',
    file : '3applesinbowl' },
  { title : '"Apples with Knife and Plate" - oil pastel on bristol board',
    file : 'appleswithknife' },
  { title : '"Apple Half" - oil on bristol board',
    file : 'applehalf' },
  { title : '"Yellow Daylily in a Vase" - oil on panel',
    file : 'daylilyinvase' },
  { title : '"Green Level Path" - oil pastel on bristol board',
    file : 'greenlevel' },
  { title : '"Hocking Hills Rocks" - oil pastel on bristol board',
    file : 'hockinghills' },
  { title : '"Lake Pine Noonday" - oil pastel on bristol board',
    file : 'lakepinemidday' },
  { title : '"Farmyard in the City" - oil pastel on bristol board',
    file : 'osufarm' },
  { title : '"Overcast Twilight" - oil pastel on bristol board',
    file : 'overcastsky' },
  { title : '"Mown Field with Fence" - oil pastel on bristol board',
    file : 'mownfield' },
  { title : '"Olive Chapel Churchyard" - oil pastel on bristol board',
    file : 'olivechapelchurchyd' },
  { title : '"Green Field at Dawn" - oil pastel on bristol board',
    file : 'greenfielddawn' }
];

function handle_thumb_click(idx) {
  $('painting').src = 'images/gallery1/' + images[idx].file + '.jpg';
  $('title_text').innerHTML = images[idx].title;
}

for (var i = 0; i < images.length; ++i) {
  var id = 'thumb' + i;
  $($(id)).onclick = function () {
    var idx = i;
    return function () {
      handle_thumb_click(idx);
    };
  }();
  $($(id)).src = 'images/gallery1/' + images[i].file + '_thumb.png';
}

handle_thumb_click(0);