var overImages = Array ();

overImages[0] = '/images/50_bt11.gif';
overImages[1] = '/images/50_bt21.gif';
overImages[2] = '/images/50_bt31.gif';
overImages[3] = '/images/50_bt41.gif';
overImages[4] = '/images/50_bt51.gif';


var offImages = Array ();

offImages[0] = '/images/50_bt10.gif';
offImages[1] = '/images/50_bt20.gif';
offImages[2] = '/images/50_bt30.gif';
offImages[3] = '/images/50_bt40.gif';
offImages[4] = '/images/50_bt50.gif';