var imageFiles_1o_3 = new Array();
imageFiles_1o_3['0'] = new Array ('_images/1o___.gif', '_images/1o___Mouseover.gif');

function image_on_1o_3 (position) {
   var doc = eval("document.image1o_3" + position);
   doc.src = imageFiles_1o_3[position][1];
}

function image_off_1o_3 (position) {
   var doc = eval("document.image1o_3" + position);
   doc.src = imageFiles_1o_3[position][0];
}