var imageFiles_40_13 = new Array();
imageFiles_40_13['0'] = new Array ('_images/40_Homepage.gif', '_images/40_HomepageMouseover.gif');
imageFiles_40_13['1'] = new Array ('_images/40_Our_Mission.gif', '_images/40_Our_MissionMouseover.gif');
imageFiles_40_13['2'] = new Array ('_images/40_Our_Services.gif', '_images/40_Our_ServicesMouseover.gif');
imageFiles_40_13['3'] = new Array ('_images/40_Our_Projects.gif', '_images/40_Our_ProjectsMouseover.gif');
imageFiles_40_13['4'] = new Array ('_images/40_Contact_Us.gif', '_images/40_Contact_UsMouseover.gif');

function image_on_40_13 (position) {
   var doc = eval("document.image40_13" + position);
   doc.src = imageFiles_40_13[position][1];
}

function image_off_40_13 (position) {
   var doc = eval("document.image40_13" + position);
   doc.src = imageFiles_40_13[position][0];
}