if (document.images) { 


// ボタン設定

// 1
var img1on = new Image();
img1on.src = "img/btn_news_on.gif";
var img1off = new Image();
img1off.src = "img/btn_news_off.gif";

// 2
var img2on = new Image();
img2on.src = "img/btn_gi_on.gif";
var img2off = new Image();
img2off.src = "img/btn_gi_off.gif";

// 3
var img3on = new Image();
img3on.src = "img/btn_about_on.gif";
var img3off = new Image();
img3off.src = "img/btn_about_off.gif";

// 4
var img4on = new Image();
img4on.src = "img/btn_recruit_on.gif";
var img4off = new Image();
img4off.src = "img/btn_recruit_off.gif";

// 5
var img5on = new Image();
img5on.src = "img/btn_contact_on.gif";
var img5off = new Image();
img5off.src = "img/btn_contact_off.gif";

// 6
var img6on = new Image();
img6on.src = "img/btn_home_on.gif";
var img6off = new Image();
img6off.src = "img/btn_home_off.gif";


// ボタン設定終了 


} 

// 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'); 
} 

}