var imageFiles_f_1 = new Array();
imageFiles_f_1['0'] = new Array ('_images/f_Home.gif', '_images/f_HomeMouseover.gif');
imageFiles_f_1['1'] = new Array ('_images/f_Products.gif', '_images/f_ProductsMouseover.gif');
imageFiles_f_1['2'] = new Array ('_images/f_Gallery.gif', '_images/f_GalleryMouseover.gif');

function image_on_f_1 (position) {
   var doc = eval("document.imagef_1" + position);
   doc.src = imageFiles_f_1[position][1];
}

function image_off_f_1 (position) {
   var doc = eval("document.imagef_1" + position);
   doc.src = imageFiles_f_1[position][0];
}