var imageFiles_68_70 = new Array();
imageFiles_68_70['0'] = new Array ('_images/68_Brochure_Catalog.gif', '_images/68_Brochure_CatalogMouseover.gif');
imageFiles_68_70['1'] = new Array ('_images/68_Press_Releases.gif', '_images/68_Press_ReleasesMouseover.gif');
imageFiles_68_70['2'] = new Array ('_images/68_Article_Archive.gif', '_images/68_Article_ArchiveMouseover.gif');

function image_on_68_70 (position) {
   var doc = eval("document.image68_70" + position);
   doc.src = imageFiles_68_70[position][1];
}

function image_off_68_70 (position) {
   var doc = eval("document.image68_70" + position);
   doc.src = imageFiles_68_70[position][0];
}