var imageFiles_13_16 = new Array();
imageFiles_13_16['0'] = new Array ('_images/13_Home.gif', '_images/13_HomeMouseover.gif');
imageFiles_13_16['1'] = new Array ('_images/13_Services.gif', '_images/13_ServicesMouseover.gif');
imageFiles_13_16['2'] = new Array ('_images/13_Feedback.gif', '_images/13_FeedbackMouseover.gif');
imageFiles_13_16['3'] = new Array ('_images/13_Contact_Us.gif', '_images/13_Contact_UsMouseover.gif');
imageFiles_13_16['4'] = new Array ('_images/13_Links.gif', '_images/13_LinksMouseover.gif');

function image_on_13_16 (position) {
   var doc = eval("document.image13_16" + position);
   doc.src = imageFiles_13_16[position][1];
}

function image_off_13_16 (position) {
   var doc = eval("document.image13_16" + position);
   doc.src = imageFiles_13_16[position][0];
}