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

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

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

b0_out = newImage('images/button0.png'); b0_over = newImage('images/buttonover0.png'); b1_out = newImage('images/button1.png'); b1_over = newImage('images/buttonover1.png'); b2_out = newImage('images/button2.png'); b2_over = newImage('images/buttonover2.png'); b3_out = newImage('images/button3.png'); b3_over = newImage('images/buttonover3.png'); b4_out = newImage('images/button4.png'); b4_over = newImage('images/buttonover4.png'); b5_out = newImage('images/button5.png'); b5_over = newImage('images/buttonover5.png'); b6_out = newImage('images/button6.png'); b6_over = newImage('images/buttonover6.png'); b7_out = newImage('images/button7.png'); b7_over = newImage('images/buttonover7.png'); b8_out = newImage('images/button8.png'); b8_over = newImage('images/buttonover8.png'); b9_out = newImage('images/button9.png'); b9_over = newImage('images/buttonover9.png'); b10_out = newImage('images/button10.png'); b10_over = newImage('images/buttonover10.png'); b11_out = newImage('images/button11.png'); b11_over = newImage('images/buttonover11.png'); b12_out = newImage('images/button12.png'); b12_over = newImage('images/buttonover12.png');