var imageFiles_1yn_1 = new Array();
imageFiles_1yn_1['0'] = new Array ('_images/1yn_Home.gif', '_images/1yn_HomeMouseover.gif');
imageFiles_1yn_1['1'] = new Array ('_images/1yn_About_Us.gif', '_images/1yn_About_UsMouseover.gif');
imageFiles_1yn_1['2'] = new Array ('_images/1yn_Inventory.gif', '_images/1yn_InventoryMouseover.gif');
imageFiles_1yn_1['3'] = new Array ('_images/1yn_Photo_Gallery.gif', '_images/1yn_Photo_GalleryMouseover.gif');
imageFiles_1yn_1['4'] = new Array ('_images/1yn_Services.gif', '_images/1yn_ServicesMouseover.gif');

function image_on_1yn_1 (position) {
   var doc = eval("document.image1yn_1" + position);
   doc.src = imageFiles_1yn_1[position][1];
}

function image_off_1yn_1 (position) {
   var doc = eval("document.image1yn_1" + position);
   doc.src = imageFiles_1yn_1[position][0];
}