prefix = 'media/img/buts/';
oneon = new Image(); oneon.src = prefix + 'one2.gif';
oneoff = new Image(); oneoff.src = prefix + 'one1.gif';

twoon = new Image(); twoon.src = prefix + 'two2.gif';
twooff = new Image(); twooff.src = prefix + 'two1.gif';

threeon = new Image(); threeon.src = prefix + 'three2.gif';
threeoff = new Image(); threeoff.src = prefix + 'three1.gif';

fouron = new Image(); fouron.src = prefix + 'four2.gif';
fouroff = new Image(); fouroff.src = prefix + 'four1.gif';

fiveon = new Image(); fiveon.src = prefix + 'five2.gif';
fiveoff = new Image(); fiveoff.src = prefix + 'five1.gif';

sixon = new Image(); sixon.src = prefix + 'six2.gif';
sixoff = new Image(); sixoff.src = prefix + 'six1.gif';

sevenon = new Image(); sevenon.src = prefix + 'seven2.gif';
sevenoff = new Image(); sevenoff.src = prefix + 'seven1.gif';

eighton = new Image(); eighton.src = prefix + 'eight2.gif';
eightoff = new Image(); eightoff.src = prefix + 'eight1.gif';

nineon = new Image(); nineon.src = prefix + 'nine2.gif';
nineoff = new Image(); nineoff.src = prefix + 'nine1.gif';