var imageFiles_25_1 = new Array();
imageFiles_25_1['0'] = new Array ('_images/25_Home.gif', '_images/25_HomeMouseover.gif');
imageFiles_25_1['1'] = new Array ('_images/25_About_Us.gif', '_images/25_About_UsMouseover.gif');
imageFiles_25_1['2'] = new Array ('_images/25_Contact_Us.gif', '_images/25_Contact_UsMouseover.gif');
imageFiles_25_1['3'] = new Array ('_images/25_Feedback.gif', '_images/25_FeedbackMouseover.gif');

function image_on_25_1 (position) {
   var doc = eval("document.image25_1" + position);
   doc.src = imageFiles_25_1[position][1];
}

function image_off_25_1 (position) {
   var doc = eval("document.image25_1" + position);
   doc.src = imageFiles_25_1[position][0];
}