var imageFiles_w_15 = new Array();
imageFiles_w_15['0'] = new Array ('_images/w_About_Us.gif', '_images/w_About_UsMouseover.gif');
imageFiles_w_15['1'] = new Array ('_images/w_Feedback.gif', '_images/w_FeedbackMouseover.gif');
imageFiles_w_15['2'] = new Array ('_images/w_Contact_Us_.gif', '_images/w_Contact_Us_Mouseover.gif');

function image_on_w_15 (position) {
   var doc = eval("document.imagew_15" + position);
   doc.src = imageFiles_w_15[position][1];
}

function image_off_w_15 (position) {
   var doc = eval("document.imagew_15" + position);
   doc.src = imageFiles_w_15[position][0];
}