var imageFiles_1_20 = new Array();
imageFiles_1_20['0'] = new Array ('_images/1_Home.gif', '_images/1_HomeMouseover.gif');
imageFiles_1_20['1'] = new Array ('_images/1_About_Us.gif', '_images/1_About_UsMouseover.gif');
imageFiles_1_20['2'] = new Array ('_images/1_Windows.gif', '_images/1_WindowsMouseover.gif');
imageFiles_1_20['3'] = new Array ('_images/1_Siding.gif', '_images/1_SidingMouseover.gif');
imageFiles_1_20['4'] = new Array ('_images/1_Roofing.gif', '_images/1_RoofingMouseover.gif');
imageFiles_1_20['5'] = new Array ('_images/1_Gallery.gif', '_images/1_GalleryMouseover.gif');
imageFiles_1_20['6'] = new Array ('_images/1_Specials.gif', '_images/1_SpecialsMouseover.gif');
imageFiles_1_20['7'] = new Array ('_images/1_TV_Ads.gif', '_images/1_TV_AdsMouseover.gif');
imageFiles_1_20['8'] = new Array ('_images/1_Testimonials.gif', '_images/1_TestimonialsMouseover.gif');
imageFiles_1_20['9'] = new Array ('_images/1_Contact_Us.gif', '_images/1_Contact_UsMouseover.gif');

function image_on_1_20 (position) {
   var doc = eval("document.image1_20" + position);
   doc.src = imageFiles_1_20[position][1];
}

function image_off_1_20 (position) {
   var doc = eval("document.image1_20" + position);
   doc.src = imageFiles_1_20[position][0];
}