bt_mission_on = new Image();
			bt_mission_on.src = "../images/propos/bt_mission_on.gif";
			bt_mission_off = new Image();
			bt_mission_off.src = "../images/propos/bt_mission_off.gif";
			
			bt_reve_on = new Image();
			bt_reve_on.src = "../images/propos/bt_reve_on.gif";
			bt_reve_off = new Image();
			bt_reve_off.src = "../images/propos/bt_reve_off.gif";
			
			bt_batir_on = new Image();
			bt_batir_on.src = "../images/propos/bt_batir_on.gif";
			bt_batir_off = new Image();
			bt_batir_off.src = "../images/propos/bt_batir_off.gif";
			
			bt_repu_on = new Image();
			bt_repu_on.src = "../images/propos/bt_reputation_on.gif";
			bt_repu_off = new Image();
			bt_repu_off.src = "../images/propos/bt_reputation_off.gif";
			
			bt_qualite_on = new Image();
			bt_qualite_on.src = "../images/propos/bt_qualite_on.gif";
			bt_qualite_off = new Image();
			bt_qualite_off.src = "../images/propos/bt_qualite_off.gif";
			
			bt_servir_on = new Image();
			bt_servir_on.src = "../images/propos/bt_servir_on.gif";
			bt_servir_off = new Image();
			bt_servir_off.src = "../images/propos/bt_servir_off.gif";
			
			bt_real_on = new Image();
			bt_real_on.src = "../images/propos/bt_realisations_on.gif";
			bt_real_off = new Image();
			bt_real_off.src = "../images/propos/bt_realisations_off.gif";
			
			bt_prix_on = new Image();
			bt_prix_on.src = "../images/propos/bt_prix_on.gif";
			bt_prix_off = new Image();
			bt_prix_off.src = "../images/propos/bt_prix_off.gif";
			
			bt_equipe_on = new Image();
			bt_equipe_on.src = "../images/propos/bt_equipe_on.gif";
			bt_equipe_off = new Image();
			bt_equipe_off.src = "../images/propos/bt_equipe_off.gif";
			
			
			bt_joindre2_on = new Image();
			bt_joindre2_on.src = "../images/propos/bt_joindre_on.gif";
			bt_joindre2_off = new Image();
			bt_joindre2_off.src = "../images/propos/bt_joindre_off.gif";