var imageFiles_2t_15 = new Array();
imageFiles_2t_15['0'] = new Array ('_images/2t_Home.gif', '_images/2t_HomeMouseover.gif');
imageFiles_2t_15['1'] = new Array ('_images/2t_About_Us.gif', '_images/2t_About_UsMouseover.gif');
imageFiles_2t_15['2'] = new Array ('_images/2t_Contact_Us.gif', '_images/2t_Contact_UsMouseover.gif');
imageFiles_2t_15['3'] = new Array ('_images/2t_Dogs.gif', '_images/2t_DogsMouseover.gif');

function image_on_2t_15 (position) {
   var doc = eval("document.image2t_15" + position);
   doc.src = imageFiles_2t_15[position][1];
}

function image_off_2t_15 (position) {
   var doc = eval("document.image2t_15" + position);
   doc.src = imageFiles_2t_15[position][0];
}