var imageFiles_3d_5 = new Array();
imageFiles_3d_5['0'] = new Array ('_images/3d_Fish.gif', '_images/3d_FishMouseover.gif');

function image_on_3d_5 (position) {
   var doc = eval("document.image3d_5" + position);
   doc.src = imageFiles_3d_5[position][1];
}

function image_off_3d_5 (position) {
   var doc = eval("document.image3d_5" + position);
   doc.src = imageFiles_3d_5[position][0];
}