function change_onglet1(id, name, nombrePages, pageName) {
	var idBloc = id.charAt(0);
	var suivant = document.getElementById(idBloc+'_'+pageName+"_suiv");
	var precedent = document.getElementById(idBloc+'_'+pageName+"_prec");
	if(suivant){
		if (name == nombrePages) {
			suivant.onclick = function() {
				return false;
			}
		} else {
			suivant.onclick = function() {
				get_next_page1(id, nombrePages, pageName);
			}
		}
	}
	

	if(precedent){
		if (name == 1) {
			precedent.onclick = function() {
				return false;
			}
		} else {
			precedent.onclick = function() {
				get_previous_page1(id, nombrePages, pageName);
			}
		}
	}
	
	
	document.getElementById(idBloc+'_'+pageName + '_contenu_onglet_' + anc_onglet).className = ' ';
	document.getElementById(idBloc+'_'+pageName + '_contenu_onglet_' + name).className = idBloc+'_'+pageName + '_Current';
	document.getElementById(idBloc+'_'+pageName + '_contenu_onglet_' + anc_onglet).style.display = 'none';
	document.getElementById(idBloc+'_'+pageName + '_contenu_onglet_' + name).style.display = 'block';
	anc_onglet = name;
}

function get_previous_page1(id, nombrePages, pageName) {
	var elts = document.getElementsByClassName(id.charAt(0)+'_'+pageName + "_Current");
	change_onglet1(id, elts.item(0).id.substring(elts.item(0).id.length-1, elts.item(0).id.length) - 1, nombrePages, pageName)
}

function get_next_page1(id, nombrePages, pageName) {
	var elts = document.getElementsByClassName(id.charAt(0)+'_'+pageName + "_Current");
	change_onglet1(id, parseInt(elts.item(0).id.substring(elts.item(0).id.length-1, elts.item(0).id.length)) + 1, nombrePages, pageName)
}