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('../images/topbar/0_up.jpg');
b0_over = newImage('../images/topbar/0_over.jpg');
b0_on = newImage('../images/topbar/0_down.jpg');
b1_off = newImage('../images/topbar/1_up.jpg');
b1_over = newImage('../images/topbar/1_over.jpg');
b1_on = newImage('../images/topbar/1_down.jpg');
b2_off = newImage('../images/topbar/2_up.jpg');
b2_over = newImage('../images/topbar/2_over.jpg');
b2_on = newImage('../images/topbar/2_down.jpg');
b3_off = newImage('../images/topbar/3_up.jpg');
b3_over = newImage('../images/topbar/3_over.jpg');
b3_on = newImage('../images/topbar/3_down.jpg');
b4_off = newImage('../images/topbar/4_up.jpg');
b4_over = newImage('../images/topbar/4_over.jpg');
b4_on = newImage('../images/topbar/4_down.jpg');
b5_off = newImage('../images/topbar/5_up.jpg');
b5_over = newImage('../images/topbar/5_over.jpg');
b5_on = newImage('../images/topbar/5_down.jpg');
b6_off = newImage('../images/topbar/6_up.jpg');
b6_over = newImage('../images/topbar/6_over.jpg');
b6_on = newImage('../images/topbar/6_down.jpg');
b7_off = newImage('../images/topbar/7_up.jpg');
b7_over = newImage('../images/topbar/7_over.jpg');
b7_on = newImage('../images/topbar/7_down.jpg');
b8_off = newImage('../images/topbar/8_up.jpg');
b8_over = newImage('../images/topbar/8_over.jpg');
b8_on = newImage('../images/topbar/8_down.jpg');
b9_off = newImage('../images/topbar/9_up.jpg');
b9_over = newImage('../images/topbar/9_over.jpg');
b9_on = newImage('../images/topbar/9_down.jpg');
b10_off = newImage('../images/topbar/10_up.jpg');
b10_over = newImage('../images/topbar/10_over.jpg');
b10_on = newImage('../images/topbar/10_down.jpg');
b11_off = newImage('../images/topbar/11_up.jpg');
b11_over = newImage('../images/topbar/11_over.jpg');
b11_on = newImage('../images/topbar/11_down.jpg');
b12_off = newImage('../images/topbar/12_up.jpg');
b12_over = newImage('../images/topbar/12_over.jpg');
b12_on = newImage('../images/topbar/12_down.jpg');
b13_off = newImage('../images/topbar/13_up.jpg');
b13_over = newImage('../images/topbar/13_over.jpg');
b13_on = newImage('../images/topbar/13_down.jpg');
b14_off = newImage('../images/topbar/14_up.jpg');
b14_over = newImage('../images/topbar/14_over.jpg');
b14_on = newImage('../images/topbar/14_down.jpg');
b15_off = newImage('../images/topbar/15_up.jpg');
b15_over = newImage('../images/topbar/15_over.jpg');
b15_on = newImage('../images/topbar/15_down.jpg');
b16_off = newImage('../images/topbar/16_up.jpg');
b16_over = newImage('../images/topbar/16_over.jpg');
b16_on = newImage('../images/topbar/16_down.jpg');
b17_off = newImage('../images/topbar/17_up.jpg');
b17_over = newImage('../images/topbar/17_over.jpg');
b17_on = newImage('../images/topbar/17_down.jpg');
b18_off = newImage('../images/topbar/18_up.jpg');
b18_over = newImage('../images/topbar/18_over.jpg');
b18_on = newImage('../images/topbar/18_down.jpg');