img21_on = new Image();

img21_on.src = "images/boycott_over.gif";

img21_off = new Image();

img21_off.src = "images/boycott_off.gif";



img22_on = new Image();

img22_on.src = "images/missions_over.gif";

img22_off = new Image();

img22_off.src = "images/missions_off.gif";



img23_on = new Image();

img23_on.src = "images/autres_over.gif";

img23_off = new Image();

img23_off.src = "images/autres_off.gif";


img24_on = new Image();

img24_on.src = "images/autrescauses_over.gif";

img24_off = new Image();

img24_off.src = "images/autrescauses_off.gif";