if (document.images) { 

var img1on = new Image();
img1on.src = "../images/english02.gif"; 
var img1off = new Image();
img1off.src = "../images/english01.gif";

var img2on = new Image();
img2on.src = "../images/home02.gif";
var img2off = new Image();
img2off.src = "../images/home01.gif";

var img3on = new Image();
img3on.src = "../images/bbs02.gif";
var img3off = new Image();
img3off.src = "../images/bbs01.gif";

var img4on = new Image();
img4on.src = "../images/link02.gif";
var img4off = new Image();
img4off.src = "../images/link01.gif";

var img5on = new Image();
img5on.src = "../images/jmia02.gif";
var img5off = new Image();
img5off.src = "../images/jmia01.gif";

var img6on = new Image();
img6on.src = "../images/lateral02.gif";
var img6off = new Image();
img6off.src = "../images/lateral01.gif";

var img7on = new Image();
img7on.src = "../images/press02.gif";
var img7off = new Image();
img7off.src = "../images/press01.gif";

var img8on = new Image();
img8on.src = "../images/policy02.gif";
var img8off = new Image();
img8off.src = "../images/policy01.gif";

var img9on = new Image();
img9on.src = "../images/inquiry02.gif";
var img9off = new Image();
img9off.src = "../images/inquiry01.gif";



var img22on = new Image();
img22on.src = "../images/header_map_home_on.gif";
var img22off = new Image();
img22off.src = "../images/header_map_home.gif";

var img23on = new Image();
img23on.src = "../images/header_map_column_on.gif";
var img23off = new Image();
img23off.src = "../images/header_map_column.gif";

var img24on = new Image();
img24on.src = "../images/header_map_books_on.gif";
var img24off = new Image();
img24off.src = "../images/header_map_books.gif";

var img25on = new Image();
img25on.src = "../images/header_map_goods_on.gif";
var img25off = new Image();
img25off.src = "../images/header_map_goods.gif";

var img26on = new Image();
img26on.src = "../images/header_map_variety_on.gif";
var img26off = new Image();
img26off.src = "../images/header_map_variety.gif";

var img27on = new Image();
img27on.src = "../images/header_map_histroy_on.gif";
var img27off = new Image();
img27off.src = "../images/header_map_histroy.gif";

var img28on = new Image();
img28on.src = "../images/header_map_talk_on.gif";
var img28off = new Image();
img28off.src = "../images/header_map_talk.gif";

var img29on = new Image();
img29on.src = "../images/header_map_rankei_on.gif";
var img29off = new Image();
img29off.src = "../images/header_map_rankei.gif";

var img30on = new Image();
img30on.src = "../images/header_map_trademark_on.gif";
var img30off = new Image();
img30off.src = "../images/header_map_trademark.gif";

var img31on = new Image();
img31on.src = "../images/header_map_foreign_on.gif";
var img31off = new Image();
img31off.src = "../images/header_map_foreign.gif";

var img32on = new Image();
img32on.src = "../images/header_map_a_d_on.gif";
var img32off = new Image();
img32off.src = "../images/header_map_a_d.gif";

var img49on = new Image();
img49on.src = "../images/header_map_now_on.gif";
var img49off = new Image();
img49off.src = "../images/header_map_now.gif";

var img50on = new Image();
img50on.src = "../images/header_map_info_on.gif";
var img50off = new Image();
img50off.src = "../images/header_map_info.gif";

//常設展示コーナー用館内案内
var img34on = new Image();
img34on.src = "../images/header_map_home2_on.gif";
var img34off = new Image();
img34off.src = "../images/header_map_home2.gif";


// コラムナビゲーション
var img35on = new Image();
img35on.src = "../images/column_content_sub01on.gif"; 
var img35off = new Image();
img35off.src = "../images/column_content_sub01.gif";

var img36on = new Image();
img36on.src = "../images/column_content_sub02on.gif"; 
var img36off = new Image();
img36off.src = "../images/column_content_sub02.gif";

var img37on = new Image();
img37on.src = "../images/column_content_sub03on.gif";
var img37off = new Image();
img37off.src = "../images/column_content_sub03.gif";

var img38on = new Image();
img38on.src = "../images/column_content_sub04on.gif";
var img38off = new Image();
img38off.src = "../images/column_content_sub04.gif";

// フッタナビ追加
var img51on = new Image();
img51on.src = "../images/museum02.gif";
var img51off = new Image();
img51off.src = "../images/museum01.gif";

var img52on = new Image();
img52on.src = "../images/sitemap02.gif";
var img52off = new Image();
img52off.src = "../images/sitemap01.gif";

// 現在のマッチナビゲーション
var img53on = new Image();
img53on.src = "../images/now_navi01on.gif";
var img53off = new Image();
img53off.src = "../images/now_navi01.gif";

var img54on = new Image();
img54on.src = "../images/now_navi02on.gif";
var img54off = new Image();
img54off.src = "../images/now_navi02.gif";

// コラムナビゲーション追加
var img55on = new Image();
img55on.src = "../images/column_content_sub05on.gif"; 
var img55off = new Image();
img55off.src = "../images/column_content_sub05.gif";

var img56on = new Image();
img56on.src = "../images/column_content_sub06on.gif"; 
var img56off = new Image();
img56off.src = "../images/column_content_sub06.gif";

var img57on = new Image();
img57on.src = "../images/column_content_sub07on.gif"; 
var img57off = new Image();
img57off.src = "../images/column_content_sub07.gif";


var img58on = new Image();
img58on.src = "../images/column_content_sub08on.gif"; 
var img58off = new Image();
img58off.src = "../images/column_content_sub08.gif";


} 


function On(name) { 

if (document.images) { 
document.images[name].src = eval(name + 'on.src'); 
} 

} 


function Off(name) { 

if (document.images) { 
document.images[name].src = eval(name + 'off.src'); 
} 

}