var imageFiles_u_1 = new Array();
imageFiles_u_1['0'] = new Array ('_images/u_Find_out_more.gif', '_images/u_Find_out_moreMouseover.gif');

function image_on_u_1 (position) {
   var doc = eval("document.imageu_1" + position);
   doc.src = imageFiles_u_1[position][1];
}

function image_off_u_1 (position) {
   var doc = eval("document.imageu_1" + position);
   doc.src = imageFiles_u_1[position][0];
}