<!--function doPreload(){   var the_images = new Array( 'images/nav_aboutus_swiss_on.jpg', 'images/nav_aboutus_swiss_off.jpg', 'images/nav_aboutus_usa_on.jpg', 'images/nav_aboutus_usa_off.jpg', 'images/nav_aboutus_people_on.jpg', 'images/nav_aboutus_people_off.jpg', 'images/nav_aboutus_associes_on.jpg', 'images/nav_aboutus_associes_off.jpg');   preloadImages(the_images);}function preloadImages(the_images_array) {   for(var loop = 0; loop < the_images_array.length; loop++)	   { 	var an_image = new Image();	an_image.src = the_images_array[loop];   }}function image_swap(image_name) {    document.images[image_name].src      = 'images/nav_' + image_name + '_on.gif';}function image_restore(image_name) {    document.images[image_name].src      = 'images/nav_' + image_name +'_off.gif';}function image_swap2(image_name) {    document.images[image_name].src      = 'images/nav_' + image_name + '_on.jpg';}function image_restore2(image_name) {    document.images[image_name].src      = 'images/nav_' + image_name +'_off.jpg';}// -->