var imageFiles_5_23 = new Array();
imageFiles_5_23['0'] = new Array ('_images/5_Home.gif', '_images/5_HomeMouseover.gif');
imageFiles_5_23['1'] = new Array ('_images/5_About_Us.gif', '_images/5_About_UsMouseover.gif');
imageFiles_5_23['2'] = new Array ('_images/5_Our_Mission.gif', '_images/5_Our_MissionMouseover.gif');
imageFiles_5_23['3'] = new Array ('_images/5_Contact_Us.gif', '_images/5_Contact_UsMouseover.gif');

function image_on_5_23 (position) {
   var doc = eval("document.image5_23" + position);
   doc.src = imageFiles_5_23[position][1];
}

function image_off_5_23 (position) {
   var doc = eval("document.image5_23" + position);
   doc.src = imageFiles_5_23[position][0];
}