// Gallery photo handling.

function change_photo(event, thumbnail) {
    event.preventDefault();

    // var thumbnail = $(this).find("img");
    var photo_id = thumbnail.attr("id").replace("thumbnail_", "");

    // Deselect old thumbnail
    $("#gallery_thumbnails img.thumbnail_selected")
      .removeClass("thumbnail_selected")
      .addClass("thumbnail_notselected");

    // Select new thumbnail
    thumbnail
      .addClass("thumbnail_selected")
      .removeClass("thumbnail_notselected");

    // Load newly selected photo and caption
    $("#gallery_photo").load("/gallery_photo_tag/"+photo_id);
}

$(document).ready(function() {
  $("#gallery_thumbnails a").click(function(event) {
    change_photo(event, $(this).find("img"));
  });
});