function resetStyles() {
	var nb_onglets = 9;
	
	for(i=1;i<nb_onglets;i++) {
		document.getElementById('contenu_caroussel_'+i).style.display = 'none';
		document.getElementById('onglet_'+i).style.backgroundImage = 'none';
	}
	
	/*document.getElementById('contenu_caroussel_1').style.display = 'none';
	document.getElementById('contenu_caroussel_2').style.display = 'none';
	document.getElementById('contenu_caroussel_3').style.display = 'none';
	document.getElementById('contenu_caroussel_4').style.display = 'none';
	document.getElementById('contenu_caroussel_5').style.display = 'none';
	document.getElementById('contenu_caroussel_6').style.display = 'none';
	document.getElementById('contenu_caroussel_7').style.display = 'none';
	
	document.getElementById('onglet_1').style.backgroundImage = 'none';
	document.getElementById('onglet_2').style.backgroundImage = 'none';
	document.getElementById('onglet_3').style.backgroundImage = 'none';
	document.getElementById('onglet_4').style.backgroundImage = 'none';
	document.getElementById('onglet_5').style.backgroundImage = 'none';
	document.getElementById('onglet_6').style.backgroundImage = 'none';
	document.getElementById('onglet_7').style.backgroundImage = 'none';*/
}
function getOnglet (numero) {
	resetStyles ();
	document.getElementById('contenu_caroussel_'+numero).style.display = 'block';
	document.getElementById('onglet_'+numero).style.backgroundImage = 'url(images/vrt_onstate.png)';
}