var imageFiles_gn_1 = new Array();
imageFiles_gn_1['0'] = new Array ('_images/gn_Catalog.gif', '_images/gn_CatalogMouseover.gif');
imageFiles_gn_1['1'] = new Array ('_images/gn_Bob_s_Staff.gif', '_images/gn_Bob_s_StaffMouseover.gif');
imageFiles_gn_1['2'] = new Array ('_images/gn_Contact_Us.gif', '_images/gn_Contact_UsMouseover.gif');
imageFiles_gn_1['3'] = new Array ('_images/gn_Attractions.gif', '_images/gn_AttractionsMouseover.gif');

function image_on_gn_1 (position) {
   var doc = eval("document.imagegn_1" + position);
   doc.src = imageFiles_gn_1[position][1];
}

function image_off_gn_1 (position) {
   var doc = eval("document.imagegn_1" + position);
   doc.src = imageFiles_gn_1[position][0];
}