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('img_button/schulung/0_up.jpg');
b0_over = newImage('img_button/schulung/0_over.jpg');
b0_on = newImage('img_button/schulung/0_down.jpg');
b1_off = newImage('img_button/schulung/1_up.jpg');
b1_over = newImage('img_button/schulung/1_over.jpg');
b1_on = newImage('img_button/schulung/1_down.jpg');
b2_off = newImage('img_button/schulung/2_up.jpg');
b2_over = newImage('img_button/schulung/2_over.jpg');
b2_on = newImage('img_button/schulung/2_down.jpg');
b3_off = newImage('img_button/schulung/3_up.jpg');
b3_over = newImage('img_button/schulung/3_over.jpg');
b3_on = newImage('img_button/schulung/3_down.jpg');
b4_off = newImage('img_button/schulung/4_up.jpg');
b4_over = newImage('img_button/schulung/4_over.jpg');
b4_on = newImage('img_button/schulung/4_down.jpg');
b5_off = newImage('img_button/schulung/5_up.jpg');
b5_over = newImage('img_button/schulung/5_over.jpg');
b5_on = newImage('img_button/schulung/5_down.jpg');
b6_off = newImage('img_button/schulung/6_up.jpg');
b6_over = newImage('img_button/schulung/6_over.jpg');
b6_on = newImage('img_button/schulung/6_down.jpg');
b7_off = newImage('img_button/schulung/7_up.jpg');
b7_over = newImage('img_button/schulung/7_over.jpg');
b7_on = newImage('img_button/schulung/7_down.jpg');
b8_off = newImage('img_button/schulung/8_up.jpg');
b8_over = newImage('img_button/schulung/8_over.jpg');
b8_on = newImage('img_button/schulung/8_down.jpg');
b9_off = newImage('img_button/schulung/9_up.jpg');
b9_over = newImage('img_button/schulung/9_over.jpg');
b9_on = newImage('img_button/schulung/9_down.jpg');
b10_off = newImage('img_button/schulung/10_up.jpg');
b10_over = newImage('img_button/schulung/10_over.jpg');
b10_on = newImage('img_button/schulung/10_down.jpg');
b11_off = newImage('img_button/schulung/11_up.jpg');
b11_over = newImage('img_button/schulung/11_over.jpg');
b11_on = newImage('img_button/schulung/11_down.jpg');