if (document.images) {

// 所長挨拶 未使用↓↓

// var img1on = new Image();
// img1on.src = "/image/chief-continue-on.jpg";
// var img1off = new Image();
// img1off.src = "/image/chief-continue.jpg";

// 所長挨拶 未使用↑↑


// グローバルメニュー↓↓

var img2on = new Image();
img2on.src = "/image/navi/home-on.jpg";
var img2off = new Image();
img2off.src = "/image/navi/home.jpg";

var img3on = new Image();
img3on.src = "/image/navi/work-on.jpg";
var img3off = new Image();
img3off.src = "/image/navi/work.jpg";

var img4on = new Image();
img4on.src = "/image/navi/qa-on.jpg";
var img4off = new Image();
img4off.src = "/image/navi/qa.jpg";

var img5on = new Image();
img5on.src = "/image/navi/mail-on.jpg";
var img5off = new Image();
img5off.src = "/image/navi/mail.jpg";

var img6on = new Image();
img6on.src = "/image/navi/about-on.jpg";
var img6off = new Image();
img6off.src = "/image/navi/about.jpg";

// グローバルメニュー↑↑


// ボトムバナー↓↓

var img7on = new Image();
img7on.src = "/image/btm-bnr-mail-on.jpg";
var img7off = new Image();
img7off.src = "/image/btm-bnr-mail.jpg";

// ボトムバナー↑↑


// よくある質問サブメニュー↓↓

var img8on = new Image();
img8on.src = "/image/side/submenu-index-on.jpg";
var img8off = new Image();
img8off.src = "/image/side/submenu-index.jpg";

var img9on = new Image();
img9on.src = "/image/side/submenu-oyakudachi-on.jpg";
var img9off = new Image();
img9off.src = "/image/side/submenu-oyakudachi.jpg";

var img10on = new Image();
img10on.src = "/image/side/submenu-joseikin-on.jpg";
var img10off = new Image();
img10off.src = "/image/side/submenu-joseikin.jpg";

var img11on = new Image();
img11on.src = "/image/side/submenu-keieisenryaku-on.jpg";
var img11off = new Image();
img11off.src = "/image/side/submenu-keieisenryaku.jpg";

// よくある質問サブメニュー↑↑


// よくある質問バナー↓↓

var img12on = new Image();
img12on.src = "/image/qa-bnr-oyakudachi-on.jpg";
var img12off = new Image();
img12off.src = "/image/qa-bnr-oyakudachi.jpg";

var img13on = new Image();
img13on.src = "/image/qa-bnr-joseikin-on.jpg";
var img13off = new Image();
img13off.src = "/image/qa-bnr-joseikin.jpg";

var img14on = new Image();
img14on.src = "/image/qa-bnr-keieisenryaku-on.jpg";
var img14off = new Image();
img14off.src = "/image/qa-bnr-keieisenryaku.jpg";

// よくある質問バナー↑↑


// 業務のご案内↓↓

var img15on = new Image();
img15on.src = "/image/side/work-submenu-index-on.jpg";
var img15off = new Image();
img15off.src = "/image/side/work-submenu-index.jpg";

var img16on = new Image();
img16on.src = "/image/side/work-submenu-junkaikansa-on.jpg";
var img16off = new Image();
img16off.src = "/image/side/work-submenu-junkaikansa.jpg";

var img17on = new Image();
img17on.src = "/image/side/work-submenu-oakashidou-on.jpg";
var img17off = new Image();
img17off.src = "/image/side/work-submenu-oakashidou.jpg";

var img18on = new Image();
img18on.src = "/image/side/work-submenu-risk-on.jpg";
var img18off = new Image();
img18off.src = "/image/side/work-submenu-risk.jpg";

var img19on = new Image();
img19on.src = "/image/side/work-submenu-shisantaisaku-on.jpg";
var img19off = new Image();
img19off.src = "/image/side/work-submenu-shisantaisaku.jpg";

var img20on = new Image();
img20on.src = "/image/side/work-submenu-computer-on.jpg";
var img20off = new Image();
img20off.src = "/image/side/work-submenu-computer.jpg";


//////////


var img21on = new Image();
img21on.src = "/image/work/junkai-on.jpg";
var img21off = new Image();
img21off.src = "/image/work/junkai.jpg";

var img22on = new Image();
img22on.src = "/image/work/oakashidou-on.jpg";
var img22off = new Image();
img22off.src = "/image/work/oakashidou.jpg";

var img23on = new Image();
img23on.src = "/image/work/risk-on.jpg";
var img23off = new Image();
img23off.src = "/image/work/risk.jpg";

var img24on = new Image();
img24on.src = "/image/work/shisantaisaku-on.jpg";
var img24off = new Image();
img24off.src = "/image/work/shisantaisaku.jpg";

var img25on = new Image();
img25on.src = "/image/work/computer-on.jpg";
var img25off = new Image();
img25off.src = "/image/work/computer.jpg";


// 業務のご案内↑↑

}

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