var imageFiles_gw_25 = new Array();
imageFiles_gw_25['0'] = new Array ('_images/gw_Photo_Gallery.gif', '_images/gw_Photo_GalleryMouseover.gif');

function image_on_gw_25 (position) {
   var doc = eval("document.imagegw_25" + position);
   doc.src = imageFiles_gw_25[position][1];
}

function image_off_gw_25 (position) {
   var doc = eval("document.imagegw_25" + position);
   doc.src = imageFiles_gw_25[position][0];
}