// intégrateur javascript-HTML : Pascal Jauquet

	

	b_1_off = new Image();

	b_1_on  = new Image();

	b_2_off = new Image();

	b_2_on  = new Image();

	b_3_off = new Image();

	b_3_on  = new Image();

	b_4_off = new Image();

	b_4_on  = new Image();






	b_1_off.src = "images/btn_accueil_off.gif";

	b_1_on.src = "images/btn_accueil_on.gif";

	b_2_off.src = "images/btn_liste_off.gif"

	b_2_on.src = "images/btn_liste_on.gif";

	b_3_off.src = "images/btn_offres_off.gif";

	b_3_on.src = "images/btn_offres_on.gif";

	b_4_off.src = "images/btn_contact_off.gif";

	b_4_on.src = "images/btn_contact_on.gif";





	function affiche (num){

	 if (num == "1") document.img1.src = b_1_off.src;

	else if (num == "2") document.img1.src = b_1_on.src;

	else if (num == "3") document.img2.src = b_2_off.src;

	else if (num == "4") document.img2.src = b_2_on.src;

	else if (num == "5") document.img3.src = b_3_off.src;

	else if (num == "6") document.img3.src = b_3_on.src;

	else if (num == "7") document.img4.src = b_4_off.src;

	else if (num == "8") document.img4.src = b_4_on.src;




}