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');
b13_out = newImage('images/button13.png');
b13_over = newImage('images/buttonover13.png');
b14_out = newImage('images/button14.png');
b14_over = newImage('images/buttonover14.png');
b15_out = newImage('images/button15.png');
b15_over = newImage('images/buttonover15.png');
b16_out = newImage('images/button16.png');
b16_over = newImage('images/buttonover16.png');
b17_out = newImage('images/button17.png');
b17_over = newImage('images/buttonover17.png');
b18_out = newImage('images/button18.png');
b18_over = newImage('images/buttonover18.png');