if (document.images) {

	// 設定開始（使用する画像を設定してください）

	// 画像1
	var img1on = new Image();
	img1on.src = "image/button/about_us_o.png"; // ポイント時の画像
	var img1off = new Image();
	img1off.src = "image/button/about_us.png"; // 通常の画像

	// 画像2
	var img2on = new Image();
	img2on.src = "image/button/research_o.png";
	var img2off = new Image();
	img2off.src = "image/button/research.png";

	// 画像3
	var img3on = new Image();
	img3on.src = "image/button/web_design_o.png";
	var img3off = new Image();
	img3off.src = "image/button/web_design.png";

	// 画像4
	var img4on = new Image();
	img4on.src = "image/button/cg_o.png";
	var img4off = new Image();
	img4off.src = "image/button/cg.png";

	// 画像01
	var img5on = new Image();
	img5on.src = "image/button/dtp_o.png";
	var img5off = new Image();
	img5off.src = "image/button/dtp.png";

	// 画像02
	var img6on = new Image();
	img6on.src = "image/button/contact_us_o.png";
	var img6off = new Image();
	img6off.src = "image/button/contact_us.png";

	var img7on = new Image();
	img7on.src = "image/button_l2.png";
	var img7off = new Image();
	img7off.src = "image/button_l1.png";
	
	var img8on = new Image();
	img8on.src = "image/button_r2.png";
	var img8off = new Image();
	img8off.src = "image/button_r1.png";
	
	var osuon = new Image();
	osuon.src = "image/web/osur.jpg";
	var osuoff = new Image();
	osuoff.src = "image/web/osub.jpg";
	
	var tiknon = new Image();
	tiknon.src = "image/web/tiknr.jpg";
	var tiknoff = new Image();
	tiknoff.src = "image/web/tiknb.jpg";
	
	var wasion = new Image();
	wasion.src = "image/web/wasir.jpg";
	var wasioff = new Image();
	wasioff.src = "image/web/wasib.jpg";
	
	var cemon = new Image();
	cemon.src = "image/web/cemr.jpg";
	var cemoff = new Image();
	cemoff.src = "image/web/cemb.jpg";
	
	var seion = new Image();
	seion.src = "image/web/seir.jpg";
	var seioff = new Image();
	seioff.src = "image/web/seib.jpg";
	
	var feon = new Image();
	feon.src = "image/web/fer.jpg";
	var feoff = new Image();
	feoff.src = "image/web/feb.jpg";
	
	var elon = new Image();
	elon.src = "image/web/elr.jpg";
	var eloff = new Image();
	eloff.src = "image/web/elb.jpg";
	
	var cyberon = new Image();
	cyberon.src = "image/web/cyberr.jpg";
	var cyberoff = new Image();
	cyberoff.src = "image/web/cyberb.jpg";
	
	var tokaion = new Image();
	tokaion.src = "image/web/tokair.jpg";
	var tokaioff = new Image();
	tokaioff.src = "image/web/tokaib.jpg";
	
	var fjbon = new Image();
	fjbon.src = "image/web/fjr.jpg";
	var fjboff = new Image();
	fjboff.src = "image/web/fjb.jpg";
	
	var tikon = new Image();
	tikon.src = "image/web/tikr.jpg";
	var tikoff = new Image();
	tikoff.src = "image/web/tikb.jpg";
	
	var kikaion = new Image();
	kikaion.src = "image/web/kikair.jpg";
	var kikaioff = new Image();
	kikaioff.src = "image/web/kikaib.jpg";
	
	var horion = new Image();
	horion.src = "image/web/horikenr.jpg";
	var horioff = new Image();
	horioff.src = "image/web/horikenb.jpg";
	
	var tamaon = new Image();
	tamaon.src = "image/web/tamar.jpg";
	var tamaoff = new Image();
	tamaoff.src = "image/web/tamab.jpg";
	
	var chu_roboon = new Image();
	chu_roboon.src = "image/web/chu_robor.jpg";
	var chu_robooff = new Image();
	chu_robooff.src = "image/web/chu_robob.jpg";
	
	var raguon = new Image();
	raguon.src = "image/web/ragur.jpg";
	var raguoff = new Image();
	raguoff.src = "image/web/ragub.jpg";
	
	var te2on = new Image();
	te2on.src = "image/web/tetur.jpg";
	var te2off = new Image();
	te2off.src = "image/web/tetub.jpg";
	
	var mediaon = new Image();
	mediaon.src = "image/web/mediar.jpg";
	var mediaoff = new Image();
	mediaoff.src = "image/web/mediab.jpg";
	
	var eng2on = new Image();
	eng2on.src = "image/web/eng2r.jpg";
	var eng2off = new Image();
	eng2off.src = "image/web/eng2b.jpg";
	
	var inceon = new Image();
	inceon.src = "image/web/innocentr.jpg";
	var inceoff = new Image();
	inceoff.src = "image/web/innocentb.jpg";
	
	var unchaon = new Image();
	unchaon.src = "image/web/unchainr.jpg";
	var unchaoff = new Image();
	unchaoff.src = "image/web/unchainb.jpg";
	
	var keizaion = new Image();
	keizaion.src = "image/web/osu_keizair.jpg";
	var keizaioff = new Image();
	keizaioff.src = "image/web/osu_keizaib.jpg";
/*
	// 画像04
	var img04on = new Image();
	img04on.src = "image/university/4_o.jpg";
	var img04off = new Image();
	img04off.src = "image/university/4.jpg";

	// 画像05
	var img05on = new Image();
	img05on.src = "image/university/5_o.jpg";
	var img05off = new Image();
	img05off.src = "image/university/5.jpg";

	// 画像06
	var img06on = new Image();
	img06on.src = "image/university/6_o.jpg";
	var img06off = new Image();
	img06off.src = "image/university/6.jpg";

	// 画像07
	var img07on = new Image();
	img07on.src = "image/university/7_o.jpg";
	var img07off = new Image();
	img07off.src = "image/university/7.jpg";

	// 画像08
	var img08on = new Image();
	img08on.src = "image/university/8_o.jpg";
	var img08off = new Image();
	img08off.src = "image/university/8.jpg";

	// 画像09
	var img09on = new Image();
	img09on.src = "image/university/9_o.jpg";
	var img09off = new Image();
	img09off.src = "image/university/9.jpg";

	// 画像10
	var img10on = new Image();
	img10on.src = "image/university/10_o.jpg";
	var img10off = new Image();
	img10off.src = "image/university/10.jpg";

	// 画像11
	var img11on = new Image();
	img11on.src = "image/university/11_o.jpg";
	var img11off = new Image();
	img11off.src = "image/university/11.jpg";
	
	// 画像12
	var img12on = new Image();
	img12on.src = "image/university/12_o.jpg";
	var img12off = new Image();
	img12off.src = "image/university/12.jpg";
*/
}

// ポイント時の処理
function On(name) {

	if (document.images) {

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

	}

}

// 放した時の処理
function Off(name) {

	if (document.images) {

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

	}

}