var imageFiles_59_31 = new Array();
imageFiles_59_31['0'] = new Array ('_images/59_Home.gif', '_images/59_HomeMouseover.gif');
imageFiles_59_31['1'] = new Array ('_images/59_Build_A_Trailer.gif', '_images/59_Build_A_TrailerMouseover.gif');
imageFiles_59_31['2'] = new Array ('_images/59_Products.gif', '_images/59_ProductsMouseover.gif');
imageFiles_59_31['3'] = new Array ('_images/59_Installation.gif', '_images/59_InstallationMouseover.gif');
imageFiles_59_31['4'] = new Array ('_images/59_Downloads.gif', '_images/59_DownloadsMouseover.gif');
imageFiles_59_31['5'] = new Array ('_images/59_FAQ.gif', '_images/59_FAQMouseover.gif');
imageFiles_59_31['6'] = new Array ('_images/59_Contact_Us.gif', '_images/59_Contact_UsMouseover.gif');

function image_on_59_31 (position) {
   var doc = eval("document.image59_31" + position);
   doc.src = imageFiles_59_31[position][1];
}

function image_off_59_31 (position) {
   var doc = eval("document.image59_31" + position);
   doc.src = imageFiles_59_31[position][0];
}