var imageFiles_13_40 = new Array();
imageFiles_13_40['0'] = new Array ('_images/13_Home.gif', '_images/13_HomeMouseover.gif');
imageFiles_13_40['1'] = new Array ('_images/13_Services.gif', '_images/13_ServicesMouseover.gif');
imageFiles_13_40['2'] = new Array ('_images/13_Feedback.gif', '_images/13_FeedbackMouseover.gif');
imageFiles_13_40['3'] = new Array ('_images/13_Contact_Us.gif', '_images/13_Contact_UsMouseover.gif');
imageFiles_13_40['4'] = new Array ('_images/13_Links.gif', '_images/13_LinksMouseover.gif');

function image_on_13_40 (position) {
   var doc = eval("document.image13_40" + position);
   doc.src = imageFiles_13_40[position][1];
}

function image_off_13_40 (position) {
   var doc = eval("document.image13_40" + position);
   doc.src = imageFiles_13_40[position][0];
}