// <!-- Begin rollover

if (document.images) {
  nav1on = new Image();
  nav1on.src = "../images/nav_home_on.gif";

  nav2on = new Image();
  nav2on.src = "../images/nav_visitor_on.gif";

  nav3on = new Image();
  nav3on.src = "../images/nav_museum_on.gif";

  nav4on = new Image();
  nav4on.src = "../images/nav_collections_on.gif";

  nav5on = new Image();
  nav5on.src = "../images/nav_outreach_on.gif";

  nav6on = new Image();
  nav6on.src = "../images/nav_exhibitions_on.gif";

  nav7on = new Image();
  nav7on.src = "../images/nav_media_on.gif";

  nav8on = new Image();
  nav8on.src = "../images/nav_friends_on.gif";

  nav9on = new Image();
  nav9on.src = "../images/nav_nagpra_on.gif";

  nav10on = new Image();
  nav10on.src = "../images/nav_search_on.gif";

  nav11on = new Image();
  nav11on.src = "../images/nav_sitemap_on.gif";

  nav21on = new Image();
  nav21on.src = "../images/nav_visitor_museum_on.gif";

  nav31on = new Image();
  nav31on.src = "../images/nav_museum_history_on.gif";

  nav32on = new Image();
  nav32on.src = "../images/nav_museum_mission_on.gif";

  nav33on = new Image();
  nav33on.src = "../images/nav_museum_staff_on.gif";

  nav34on = new Image();
  nav34on.src = "../images/nav_museum_employment_on.gif";

  nav35on = new Image();
  nav35on.src = "../images/nav_museum_newsletter_on.gif";

  nav41on = new Image();
  nav41on.src = "../images/nav_collections_conservation_on.gif";

  nav42on = new Image();
  nav42on.src = "../images/nav_collections_management_on.gif";

  nav43on = new Image();
  nav43on.src = "../images/nav_collections_registration_on.gif";

  nav44on = new Image();
  nav44on.src = "../images/nav_collections_photo_on.gif";

  nav45on = new Image();
  nav45on.src = "../images/nav_collections_services_on.gif";

  nav46on = new Image();
  nav46on.src = "../images/nav_collections_policies_on.gif";

  nav47on = new Image();
  nav47on.src = "../images/nav_collections_researcher_on.gif";

  nav51on = new Image();
  nav51on.src = "../images/nav_outreach_public_on.gif";

  nav52on = new Image();
  nav52on.src = "../images/nav_outreach_education_on.gif";

  nav53on = new Image();
  nav53on.src = "../images/nav_outreach_volunteer_on.gif";

  nav54on = new Image();
  nav54on.src = "../images/nav_outreach_museum_on.gif";

  nav61on = new Image();
  nav61on.src = "../images/nav_exhibitions_gallery_on.gif";

  nav71on = new Image();
  nav71on.src = "../images/nav_media_press_on.gif";

  nav72on = new Image();
  nav72on.src = "../images/nav_media_rights_on.gif";

  nav73on = new Image();
  nav73on.src = "../images/nav_media_copyright_on.gif";

  nav81on = new Image();
  nav81on.src = "../images/nav_friends_members_on.gif";

  nav82on = new Image();
  nav82on.src = "../images/nav_friends_donor_on.gif";

  nav83on = new Image();
  nav83on.src = "../images/nav_friends_recent_on.gif";

  nav341on = new Image();
  nav341on.src = "../images/nav_museum_employment_career_on.gif";

  nav342on = new Image();
  nav342on.src = "../images/nav_museum_employment_internship_on.gif";

  nav343on = new Image();
  nav343on.src = "../images/nav_museum_employment_gsrs_on.gif";

  nav344on = new Image();
  nav344on.src = "../images/nav_museum_employment_workstudy_on.gif";

  nav345on = new Image();
  nav345on.src = "../images/nav_museum_employment_volunteers_on.gif";

  nav461on = new Image();
  nav461on.src = "../images/nav_collections_policies_loan_on.gif";

  nav462on = new Image();
  nav462on.src = "../images/nav_collections_policies_collection_on.gif";

  nav463on = new Image();
  nav463on.src = "../images/nav_collections_policies_destructive_on.gif";

  nav464on = new Image();
  nav464on.src = "../images/nav_collections_policies_fees_on.gif";

  nav465on = new Image();
  nav465on.src = "../images/nav_collections_policies_curation_on.gif";

  nav521on = new Image();
  nav521on.src = "../images/nav_outreach_education_university_on.gif";

  nav522on = new Image();
  nav522on.src = "../images/nav_outreach_education_k12_on.gif";

  nav1off = new Image();
  nav1off.src = "../images/nav_home.gif";

  nav2off = new Image();
  nav2off.src = "../images/nav_visitor.gif";

  nav3off = new Image();
  nav3off.src = "../images/nav_museum.gif";

  nav4off = new Image();
  nav4off.src = "../images/nav_collections.gif";

  nav5off = new Image();
  nav5off.src = "../images/nav_outreach.gif";

  nav6off = new Image();
  nav6off.src = "../images/nav_exhibitions.gif";

  nav7off = new Image();
  nav7off.src = "../images/nav_media.gif";

  nav8off = new Image();
  nav8off.src = "../images/nav_friends.gif";

  nav9off = new Image();
  nav9off.src = "../images/nav_nagpra.gif";

  nav10off = new Image();
  nav10off.src = "../images/nav_search.gif";

  nav11off = new Image();
  nav11off.src = "../images/nav_sitemap.gif";

  nav21off = new Image();
  nav21off.src = "../images/nav_visitor_museum.gif";

  nav31off = new Image();
  nav31off.src = "../images/nav_museum_history.gif";

  nav32off = new Image();
  nav32off.src = "../images/nav_museum_mission.gif";

  nav33off = new Image();
  nav33off.src = "../images/nav_museum_staff.gif";

  nav34off = new Image();
  nav34off.src = "../images/nav_museum_employment.gif";

  nav35off = new Image();
  nav35off.src = "../images/nav_museum_newsletter.gif";

  nav41off = new Image();
  nav41off.src = "../images/nav_collections_conservation.gif";

  nav42off = new Image();
  nav42off.src = "../images/nav_collections_management.gif";

  nav43off = new Image();
  nav43off.src = "../images/nav_collections_registration.gif";

  nav44off = new Image();
  nav44off.src = "../images/nav_collections_photo.gif";

  nav45off = new Image();
  nav45off.src = "../images/nav_collections_services.gif";

  nav46off = new Image();
  nav46off.src = "../images/nav_collections_policies.gif";

  nav47off = new Image();
  nav47off.src = "../images/nav_collections_researcher.gif";

  nav51off = new Image();
  nav51off.src = "../images/nav_outreach_public.gif";

  nav52off = new Image();
  nav52off.src = "../images/nav_outreach_education.gif";

  nav53off = new Image();
  nav53off.src =  "../images/nav_outreach_volunteer.gif";

  nav54off = new Image();
  nav54off.src =  "../images/nav_outreach_museum.gif";

  nav61off = new Image();
  nav61off.src = "../images/nav_exhibitions_gallery.gif";

  nav71off = new Image();
  nav71off.src = "../images/nav_media_press.gif";

  nav72off = new Image();
  nav72off.src = "../images/nav_media_rights.gif";

  nav73off = new Image();
  nav73off.src = "../images/nav_media_copyright.gif";

  nav81off = new Image();
  nav81off.src = "../images/nav_friends_members.gif";

  nav82off = new Image();
  nav82off.src = "../images/nav_friends_donor.gif";

  nav83off = new Image();
  nav83off.src = "../images/nav_friends_recent.gif";

  nav341off = new Image();
  nav341off.src = "../images/nav_museum_employment_career.gif";

  nav342off = new Image();
  nav342off.src = "../images/nav_museum_employment_internship.gif";

  nav343off = new Image();
  nav343off.src = "../images/nav_museum_employment_gsrs.gif";

  nav344off = new Image();
  nav344off.src = "../images/nav_museum_employment_workstudy.gif";

  nav345off = new Image();
  nav345off.src = "../images/nav_museum_employment_volunteers.gif";

  nav461off = new Image();
  nav461off.src = "../images/nav_collections_policies_loan.gif";

  nav462off = new Image();
  nav462off.src = "../images/nav_collections_policies_collection.gif";

  nav463off = new Image();
  nav463off.src = "../images/nav_collections_policies_destructive.gif";

  nav464off = new Image();
  nav464off.src = "../images/nav_collections_policies_fees.gif";

  nav465off = new Image();
  nav465off.src = "../images/nav_collections_policies_curation.gif";

  nav521off = new Image();
  nav521off.src = "../images/nav_outreach_education_university.gif";

  nav522off = new Image();
  nav522off.src = "../images/nav_outreach_education_k12.gif";

}

function changeImages() {
  if (document.images) {
    for (var i=0; i < changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

function changeMenu( imgId, imgState, imgLevel ) {
  if( document.images ) {
    //var imgRef = eval( "document[ " + $id + "
    document.images[ imgId ].src = "http://hearstmuseum.com/images/nav_" + imgState + imgLevel + ".gif";
  }
}

// End rollover -->