var imageFiles_1no_13 = new Array();
imageFiles_1no_13['0'] = new Array ('_images/1no_About_Us.gif', '_images/1no_About_UsMouseover.gif');
imageFiles_1no_13['1'] = new Array ('_images/1no_Photo_Gallery.gif', '_images/1no_Photo_GalleryMouseover.gif');
imageFiles_1no_13['2'] = new Array ('_images/1no_Feedback.gif', '_images/1no_FeedbackMouseover.gif');
imageFiles_1no_13['3'] = new Array ('_images/1no_Contact_Us.gif', '_images/1no_Contact_UsMouseover.gif');

function image_on_1no_13 (position) {
   var doc = eval("document.image1no_13" + position);
   doc.src = imageFiles_1no_13[position][1];
}

function image_off_1no_13 (position) {
   var doc = eval("document.image1no_13" + position);
   doc.src = imageFiles_1no_13[position][0];
}