function update_game_image(image) {
   $('image_url').value = image;
   $('image').src = image;
}

function toggle_scores(partner_id, game_id, html_id, link_id, width, height) {
   $(html_id).toggle();
   if ($(html_id).visible()) {
      $(link_id).innerHTML = "Hide";

      Mochi.showLeaderboardWidget({
         id: html_id,
         game: game_id,
         width: width,
         height: height,
         partnerID: partner_id,

         // leaderboard scores text color - optional
         textColor: "#330000",

         // username link color - optional
         linkColor: "#aa0000",

         // username hover color - optional
         hoverColor: "#000000",

         // button color - optional
         buttonColor: "#e22d1c",

         // button text color - optional
         buttonTextColor: "#ffffff"
      });
   } else
      $(link_id).innerHTML = "Show";
}