if (document.images) { 


// 設定開始

// image1 
var img1on = new Image();
img1on.src = "image/menu/01on.gif"; // ポイント時の画像
var img1off = new Image();
img1off.src = "image/menu/01off.gif"; // 通常の画像

// image2 
var img2on = new Image();
img2on.src = "image/menu/02on.gif";
var img2off = new Image();
img2off.src = "image/menu/02off.gif";

// image3 
var img3on = new Image();
img3on.src = "image/menu/03on.gif";
var img3off = new Image();
img3off.src = "image/menu/03off.gif";

// image4 
var img4on = new Image();
img4on.src = "image/menu/04on.gif";
var img4off = new Image();
img4off.src = "image/menu/04off.gif";

// image5 
var img5on = new Image();
img5on.src = "image/menu/05on.gif";
var img5off = new Image();
img5off.src = "image/menu/05off.gif";

// image6 
var img6on = new Image();
img6on.src = "image/menu/06on.gif";
var img6off = new Image();
img6off.src = "image/menu/06off.gif";

// image7 
var img7on = new Image();
img7on.src = "image/menu/07on.gif";
var img7off = new Image();
img7off.src = "image/menu/07off.gif";

// image8 
var img8on = new Image();
img8on.src = "image/menu/08on.gif";
var img8off = new Image();
img8off.src = "image/menu/08off.gif";

// image9 
var img9on = new Image();
img9on.src = "image/menu/09on.gif";
var img9off = new Image();
img9off.src = "image/menu/09off.gif";

// 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'); 
} 

}