var imageFiles_u_1 = new Array();
imageFiles_u_1['0'] = new Array ('_images/u_Home.gif', '_images/u_HomeMouseover.gif');
imageFiles_u_1['1'] = new Array ('_images/u_Resource_Links.gif', '_images/u_Resource_LinksMouseover.gif');
imageFiles_u_1['2'] = new Array ('_images/u_Contact_Us.gif', '_images/u_Contact_UsMouseover.gif');
imageFiles_u_1['3'] = new Array ('_images/u_Feedback.gif', '_images/u_FeedbackMouseover.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];
}