var imageFiles_s_1 = new Array();
imageFiles_s_1['0'] = new Array ('_images/s_Home.gif', '_images/s_HomeMouseover.gif');
imageFiles_s_1['1'] = new Array ('_images/s_Resource_Links.gif', '_images/s_Resource_LinksMouseover.gif');
imageFiles_s_1['2'] = new Array ('_images/s_Contact_Us.gif', '_images/s_Contact_UsMouseover.gif');
imageFiles_s_1['3'] = new Array ('_images/s_Feedback.gif', '_images/s_FeedbackMouseover.gif');

function image_on_s_1 (position) {
   var doc = eval("document.images_1" + position);
   doc.src = imageFiles_s_1[position][1];
}

function image_off_s_1 (position) {
   var doc = eval("document.images_1" + position);
   doc.src = imageFiles_s_1[position][0];
}