if (document.images) { 

var img01on = new Image();
img01on.src = "/common/images/banner-otoiawase-on.gif";
var img01off = new Image();
img01off.src = "/common/images/banner-otoiawase-off.gif";

var img02on = new Image();
img02on.src = "common/images/btn_cancel_on.gif";
var img02off = new Image();
img02off.src = "common/images/btn_cancel_off.gif";

var img03on = new Image();
img03on.src = "common/images/btn_sakujo_on.gif";
var img03off = new Image();
img03off.src = "common/images/btn_sakujo_off.gif";

var img04on = new Image();
img04on.src = "common/images/btn_touroku_on.gif";
var img04off = new Image();
img04off.src = "common/images/btn_touroku_off.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'); 
} 

}