function verif() {
		var nom, prenom, media, adresse, ville, cp, tel, email;
		var nb = 0;
		tabb = new Array('nom', 'prenom', 'media', 'adresse', 'ville', 'cp', 'tel', 'email');

		for (i=0; i<tabb.length; i++) {
			tt = eval("document.forms[1]."+tabb[i]+".value");

			if (tabb[i] == 'cp' && (isNaN(tt) || tt == "" || tt.length<5 || tt<01000 || tt>95999)) nb = nb + 1;

			reg = new RegExp("[0-9]+");
			if (tabb[i] == 'ville' && (!isNaN(tt) || tt == "" || reg.test([tt])==true)) nb = nb + 1;


			mel = new RegExp("[;,:!?()+*]+");
			if (tabb[i] == 'email' && (tt == "" || mel.test([tt])==true)) nb = nb + 1;

			mel = new RegExp("[@]{1}");
			if (tabb[i] == 'email' && (tt == "" || mel.test([tt])==false)) nb = nb + 1;

			mel = new RegExp("[.]{1}[a-zA-Z]{2,3}$");
			if (tabb[i] == 'email' && (tt == "" || mel.test([tt])==false)) nb = nb + 1;

			if ((tabb[i] == 'nom' || tabb[i] == 'prenom' || tabb[i] == 'media' || tabb[i] == 'tel' || tabb[i] == 'adresse') && (tt == "")) nb = nb + 1;
		}


    if (nb > 0) {
		  return true;
    }else{
		  document.forms[1].action = "mail.php";
		  return true;
		}
	}