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/image1.jpg');
b0_over = newImage('images/imageover1.jpg');
b1_out = newImage('images/image2.jpg');
b1_over = newImage('images/imageover2.jpg');
b2_out = newImage('images/image3.jpg');
b2_over = newImage('images/imageover3.jpg');
b3_out = newImage('images/image4.jpg');
b3_over = newImage('images/imageover4.jpg');
b4_out = newImage('images/image5.jpg');
b4_over = newImage('images/imageover5.jpg');
b5_out = newImage('images/image6.jpg');
b5_over = newImage('images/imageover6.jpg');
b6_out = newImage('images/image7.jpg');
b6_over = newImage('images/imageover7.jpg');
b7_out = newImage('images/image8.jpg');
b7_over = newImage('images/imageover8.jpg');