function newImage(arg) {
rslt = new Image();
rslt.src = arg;
return rslt;
}

function bOver(image) {
document[image].src = eval(image +"_over.src");
}

function bOn(image) {
document[image].src = eval(image +"_on.src");
}

function bOut(image) {
document[image].src = eval(image +"_off.src");
}

b0_off = newImage('button/0_up.jpg');
b0_over = newImage('button/0_over.jpg');
b0_on = newImage('button/0_down.jpg');
b1_off = newImage('button/1_up.jpg');
b1_over = newImage('button/1_over.jpg');
b1_on = newImage('button/1_down.jpg');
b2_off = newImage('button/2_up.jpg');
b2_over = newImage('button/2_over.jpg');
b2_on = newImage('button/2_down.jpg');
b3_off = newImage('button/3_up.jpg');
b3_over = newImage('button/3_over.jpg');
b3_on = newImage('button/3_down.jpg');
b4_off = newImage('button/4_up.jpg');
b4_over = newImage('button/4_over.jpg');
b4_on = newImage('button/4_down.jpg');
b5_off = newImage('button/5_up.jpg');
b5_over = newImage('button/5_over.jpg');
b5_on = newImage('button/5_down.jpg');
b6_off = newImage('button/6_up.jpg');
b6_over = newImage('button/6_over.jpg');
b6_on = newImage('button/6_down.jpg');
b7_off = newImage('button/7_up.jpg');
b7_over = newImage('button/7_over.jpg');
b7_on = newImage('button/7_down.jpg');
b8_off = newImage('button/8_up.jpg');
b8_over = newImage('button/8_over.jpg');
b8_on = newImage('button/8_down.jpg');
b9_off = newImage('button/9_up.jpg');
b9_over = newImage('button/9_over.jpg');
b9_on = newImage('button/9_down.jpg');
b11_off = newImage('button/11_up.jpg');
b11_over = newImage('button/11_over.jpg');
b11_on = newImage('button/11_down.jpg');