if (document.images) { 

var img1on = new Image();
img1on.src = "images/menu_about_on.gif"; 
var img1off = new Image();
img1off.src = "images/menu_about.gif";

var img2on = new Image();
img2on.src = "images/menu_facesoap_on.gif";
var img2off = new Image();
img2off.src = "images/menu_facesoap.gif";

var img3on = new Image();
img3on.src = "images/menu_oil_on.gif";
var img3off = new Image();
img3off.src = "images/menu_oil.gif";

var img4on = new Image();
img4on.src = "images/menu_lotion_on.gif";
var img4off = new Image();
img4off.src = "images/menu_lotion.gif";

var img5on = new Image();
img5on.src = "images/menu_set_on.gif"; 
var img5off = new Image();
img5off.src = "images/menu_set.gif";

var img6on = new Image();
img6on.src = "images/menu_candysoap_on.gif";
var img6off = new Image();
img6off.src = "images/menu_candysoap.gif";

var img7on = new Image();
img7on.src = "images/menu_diary_on.gif";
var img7off = new Image();
img7off.src = "images/menu_diary.gif";

var img8on = new Image();
img8on.src = "images/menu_shoplist_on.gif";
var img8off = new Image();
img8off.src = "images/menu_shoplist.gif";

var img9on = new Image();
img9on.src = "images/menu_link_on.gif";
var img9off = new Image();
img9off.src = "images/menu_link.gif";

var img10on = new Image();
img10on.src = "images/menu_inquiry_on.gif";
var img10off = new Image();
img10off.src = "images/menu_inquiry.gif";

var img11on = new Image();
img11on.src = "images/menu_home_on.gif";
var img11off = new Image();
img11off.src = "images/menu_home.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'); 
} 

}