var naviImgs = {
    'gnaviRcast':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcast-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcast-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcast-mouseover.gif",
     148, 21, "先端研について"],
    'gnaviResearch':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-research-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-research-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-research-mouseover.gif",
     148, 21, "研究内容"],
    'gnaviPeople':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-people-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-people-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-people-mouseover.gif",
     148, 21, "研究者リスト"],
    'gnaviProspective':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-prospective-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-prospective-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-prospective-mouseover.gif",
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    'gnaviPartners':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-partners-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-partners-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-partners-mouseover.gif",
     148, 21, "産学連携希望のかたへ"],
    'gnaviFaculty':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-faculty-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-faculty-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-faculty-mouseover.gif",
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    'gnaviStudents':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-students-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-students-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-students-mouseover.gif",
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    'gnaviAlumni':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-alumni-selected.gif",
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    'gnaviWorking':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-working-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-working-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-working-mouseover.gif",
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    'gnaviNews':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-news-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-news-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-news-mouseover.gif",
     43, 10, "ニュース"],
    'gnaviEvents':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-events-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-events-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-events-mouseover.gif",
     47, 10, "イベント"],
    'gnaviWhatsNew':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-whatsnew-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-whatsnew-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-whatsnew-mouseover.gif",
     51, 10, "更新情報"],
    'gnaviMaps':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcastaccess-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcastaccess-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-rcastaccess-mouseover.gif",
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    'gnaviContactUs':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-contactus-selected.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-contactus-active.gif",
     "http://www.rcast.u-tokyo.ac.jp/ja/img/gnavi-contactus-mouseover.gif",
     61, 10, "お問い合せ"],
    'footerSitemap':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/footer-sitemap-selected.gif",
     "",
     "",
     55, 11, "サイトマップ"],
    'footerPrivacyPolicy':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/footer-privacypolicy-selected.gif",
     "",
     "",
     88, 11, "プライバシーポリシー"],
    'footerSitepolicy':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/footer-sitepolicy-selected.gif",
     "",
     "",
     63, 11, "サイトポリシー"],
    'footerAccessibility':
    ["http://www.rcast.u-tokyo.ac.jp/ja/img/footer-accessibility-selected.gif",
     "",
     "",
     71, 11, "アクセシビリティ"]
};

function selectNavi(id) {
    if (naviImgs[id] && document.getElementById) {
	imgs = naviImgs[id];
	ele = document.getElementById(id);
	ele.innerHTML = '<img src="' + imgs[0] + '" width="' + imgs[3] + '" height="' + imgs[4] + '" alt="現在 ' + imgs[5] + '">';
    }
}
function selectNaviActive(id) {
    if (naviImgs[id] && document.getElementById) {
	imgs = naviImgs[id];
	ele = document.getElementById(id);
	ele = ele.firstChild;
	ele.innerHTML = '<img src="' + imgs[1] + '" width="' + imgs[3] + '" height="' + imgs[4] + '" onmouseover="this.src=\'' + imgs[2] + '\';" onmouseout="this.src=\'' + imgs[1] + '\';" alt="' + imgs[5]+ '">';
  }
}