var imageFiles_3e_31 = new Array();
imageFiles_3e_31['0'] = new Array ('_images/3e_Small_Animal.gif', '_images/3e_Small_AnimalMouseover.gif');

function image_on_3e_31 (position) {
   var doc = eval("document.image3e_31" + position);
   doc.src = imageFiles_3e_31[position][1];
}

function image_off_3e_31 (position) {
   var doc = eval("document.image3e_31" + position);
   doc.src = imageFiles_3e_31[position][0];
}