// JavaScript Document
function Formules(id) {
			serv = document.getElementById(id);
			t_carte = document.getElementById('seminars_tab_c1');
			t_formule_1 = document.getElementById('seminars_tab_c2');
				if(serv.style.display == 'none') {
					t_carte.style.display = 'none';
					t_formule_1.style.display = 'none';
					serv.style.display = 'block';
				} else {
					serv.style.display = 'block';
				}
	}