var imageFiles_gw_3 = new Array();
imageFiles_gw_3['0'] = new Array ('_images/gw_Photo_Gallery.gif', '_images/gw_Photo_GalleryMouseover.gif');

function image_on_gw_3 (position) {
   var doc = eval("document.imagegw_3" + position);
   doc.src = imageFiles_gw_3[position][1];
}

function image_off_gw_3 (position) {
   var doc = eval("document.imagegw_3" + position);
   doc.src = imageFiles_gw_3[position][0];
}