window.onerror=null;
if (document.images) {
//Agriculture
               toc10on = new Image(); 
               toc10on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/ag_on.gif";
               toc10off = new Image(); 
               toc10off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/ag_off.gif";
//History
               toc11on = new Image(); 
               toc11on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/history_on.gif";
               toc11off = new Image(); 
               toc11off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/history_off.gif";
//Architecture
               toc12on = new Image(); 
               toc12on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/architecture_on.gif";
               toc12off = new Image(); 
               toc12off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/architecture_off.gif";
//Fishing
               toc13on = new Image(); 
               toc13on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/fishing_on.gif";
               toc13off = new Image(); 
               toc13off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/fishing_off.gif";
//Military
               toc14on = new Image(); 
               toc14on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/military_on.gif";
               toc14off = new Image(); 
               toc14off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/military_off.gif";
//Art
               toc15on = new Image(); 
               toc15on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/art_on.gif";
               toc15off = new Image(); 
               toc15off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/art_off.gif";
//Maritime
               toc16on = new Image(); 
               toc16on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/maritime_on.gif";
               toc16off = new Image(); 
               toc16off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/maritime_off.gif";
//Literature
               toc17on = new Image(); 
               toc17on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/literature_on.gif";
               toc17off = new Image(); 
               toc17off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/literature_off.gif";
//Nature
               toc18on = new Image(); 
               toc18on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/nature_on.gif";
               toc18off = new Image(); 
               toc18off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39607/nature_off.gif";
//Photo Album
               toc19on = new Image(); 
               toc19on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/photo-album_on.gif";
               toc19off = new Image(); 
               toc19off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/photo-album_off.gif";
//History Fest
               toc20on = new Image(); 
               toc20on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/historyfest_on.gif";
               toc20off = new Image(); 
               toc20off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/historyfest_off.gif";
//History Fest - small
               toc21on = new Image(); 
               toc21on.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/historyfest_2_on.gif";
               toc21off = new Image(); 
               toc21off.src = "/file_depot/0-10000000/10000-20000/18387/folder/39605/historyfest_2_off.gif";
               }
function img_onact(imgName) {
               if (document.images) {
               imgOn = eval(imgName + "on.src");
               document [imgName].src = imgOn;
               }
       }
function img_offoffinact(imgName) {
               if (document.images) {
               imgOff = eval(imgName + "off.src");
               document [imgName].src = imgOff;
               }
       }