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/image38.png');
b0_over = newImage('images/imageover38.png');
b1_out = newImage('images/image46.png');
b1_over = newImage('images/imageover46.png');
b2_out = newImage('images/image40.png');
b2_over = newImage('images/imageover40.png');
b3_out = newImage('images/image48.png');
b3_over = newImage('images/imageover48.png');
b4_out = newImage('images/image49.png');
b4_over = newImage('images/imageover49.png');
b5_out = newImage('images/image50.png');
b5_over = newImage('images/imageover50.png');
b6_out = newImage('images/image51.png');
b6_over = newImage('images/imageover51.png');