function smenuapparait(id){
	document.getElementById(id).className='smenu';
	}
	
	function smenudisparait(id){
	document.getElementById(id).className = 'invisible';
	}
		
	function activer_onglet_1(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_actif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_actif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}
		
	function activer_onglet_2(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_actif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_actif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}

	function activer_onglet_3(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_actif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_actif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}
	
	function activer_onglet_4(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_actif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_actif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}
	
	function activer_onglet_5(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_actif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_actif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}
	
	function activer_onglet_6(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_actif";
	document.getElementById('onglet_7').className="onglet_passif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_actif";
	document.getElementById('onglet7_txt').className="onglet_txt_passif";
	}
	
	function activer_onglet_7(){
	document.getElementById('bloc_intro_actif').className="bloc_intro_passif";
	document.getElementById('onglet_1').className="onglet_passif";
	document.getElementById('onglet_2').className="onglet_passif";
	document.getElementById('onglet_3').className="onglet_passif";
	document.getElementById('onglet_4').className="onglet_passif";
	document.getElementById('onglet_5').className="onglet_passif";
	document.getElementById('onglet_6').className="onglet_passif";
	document.getElementById('onglet_7').className="onglet_actif";
	document.getElementById('onglet1_txt').className="onglet_txt_passif";
	document.getElementById('onglet2_txt').className="onglet_txt_passif";
	document.getElementById('onglet3_txt').className="onglet_txt_passif";
	document.getElementById('onglet4_txt').className="onglet_txt_passif";
	document.getElementById('onglet5_txt').className="onglet_txt_passif";
	document.getElementById('onglet6_txt').className="onglet_txt_passif";
	document.getElementById('onglet7_txt').className="onglet_txt_actif";
	}