if (document.images) {
IM = new Array(); OM = new Array();

IM[1] = new Image(); IM[1].src = '/image/gaiyo_off.gif';
OM[1] = new Image(); OM[1].src = '/image/gaiyo_roll.gif';
IM[2] = new Image(); IM[2].src = '/image/kyoiku_off.gif';
OM[2] = new Image(); OM[2].src = '/image/kyoiku_roll.gif';
IM[3] = new Image(); IM[3].src = '/image/kouryu_off.gif';
OM[3] = new Image(); OM[3].src = '/image/kouryu_roll.gif';
IM[4] = new Image(); IM[4].src = '/image/syusyoku_off.gif';
OM[4] = new Image(); OM[4].src = '/image/syusyoku_roll.gif';
IM[5] = new Image(); IM[5].src = '/image/campus_off.gif';
OM[5] = new Image(); OM[5].src = '/image/campus_roll.gif';
IM[6] = new Image(); IM[6].src = '/image/nyushi_off.gif';
OM[6] = new Image(); OM[6].src = '/image/nyushi_roll.gif';
IM[7] = new Image(); IM[7].src = '/image/tosho_off.gif';
OM[7] = new Image(); OM[7].src = '/image/tosho_roll.gif';

IM[11] = new Image(); IM[11].src = '/image/gaiyo_on.gif';
OM[11] = new Image(); OM[11].src = '/image/gaiyo_roll.gif';
IM[21] = new Image(); IM[21].src = '/image/kyoiku_on.gif';
OM[21] = new Image(); OM[21].src = '/image/kyoiku_roll.gif';
IM[31] = new Image(); IM[31].src = '/image/kouryu_on.gif';
OM[31] = new Image(); OM[31].src = '/image/kouryu_roll.gif';
IM[41] = new Image(); IM[41].src = '/image/syusyoku_on.gif';
OM[41] = new Image(); OM[41].src = '/image/syusyoku_roll.gif';
IM[51] = new Image(); IM[51].src = '/image/campus_on.gif';
OM[51] = new Image(); OM[51].src = '/image/campus_roll.gif';
IM[61] = new Image(); IM[61].src = '/image/nyushi_on.gif';
OM[61] = new Image(); OM[61].src = '/image/nyushi_roll.gif';
IM[71] = new Image(); IM[71].src = '/image/tosho_on.gif';
OM[71] = new Image(); OM[71].src = '/image/tosho_roll.gif';

IM[101] = new Image(); IM[101].src = '/image/b0_home_off.gif';
OM[101] = new Image(); OM[101].src = '/image/b0_home_on.gif';
IM[102] = new Image(); IM[102].src = '/image/b0_toi_off.gif';
OM[102] = new Image(); OM[102].src = '/image/b0_toi_on.gif';
IM[103] = new Image(); IM[103].src = '/image/b0_access_off.gif';
OM[103] = new Image(); OM[103].src = '/image/b0_access_on.gif';
IM[104] = new Image(); IM[104].src = '/image/b0_map_off.gif';
OM[104] = new Image(); OM[104].src = '/image/b0_map_on.gif';
IM[105] = new Image(); IM[105].src = '/image/b0_shiryo_off.gif';
OM[105] = new Image(); OM[105].src = '/image/b0_shiryo_on.gif';
IM[106] = new Image(); IM[106].src = '/image/b0_site_off.gif';
OM[106] = new Image(); OM[106].src = '/image/b0_site_on.gif';
IM[107] = new Image(); IM[107].src = '/image/b_eng_off.gif';
OM[107] = new Image(); OM[107].src = '/image/b_eng_on.gif';

IM[201] = new Image(); IM[201].src = 'image-top/top_01.gif';
OM[201] = new Image(); OM[201].src = 'image-top/top_01_over.gif';
IM[202] = new Image(); IM[202].src = 'image-top/top_02.gif';
OM[202] = new Image(); OM[202].src = 'image-top/top_02top_01_over.gif';
IM[203] = new Image(); IM[203].src = 'image-top/top_03.gif';
OM[203] = new Image(); OM[203].src = 'image-top/top_03top_01_over.gif';
IM[204] = new Image(); IM[204].src = 'image-top/top_04.gif';
OM[204] = new Image(); OM[204].src = 'image-top/top_04top_01_over.gif';
IM[205] = new Image(); IM[205].src = 'image-top/top_05.gif';
OM[205] = new Image(); OM[205].src = 'image-top/top_05top_01_over.gif';
IM[206] = new Image(); IM[206].src = 'image-top/top_06.gif';
OM[206] = new Image(); OM[206].src = 'image-top/top_06top_01_over.gif';
IM[207] = new Image(); IM[207].src = 'image-top/top_07.gif';
OM[207] = new Image(); OM[207].src = 'image-top/top_07top_01_over.gif';
}

function MI(n) { if (document.images) document.images['M' + n].src = IM[n].src; }
function MO(n) { if (document.images) document.images['M' + n].src = OM[n].src; }