function valider() {
var form_err = " ";
if ( document.frm.nom.value.length < 1) {
form_err = "Entrez votre nom ! - ";
}

if ( document.frm.tel.value.length < 1) {
form_err = "Entrez votre N&deg; de t&eacute;l&eacute;phone ! - ";
}

if ( document.frm.email.value.length < 1) {
form_err = "Email invalide ! - ";
}
if ( document.frm.email.value == "votrenom@mail.com") {
form_err = "Email invalide ! - ";
}
var verim = 0;
for (i=1; i<document.frm.email.value.length -4; i++) {
if ( document.frm.email.value.charAt(i) == "@") {
verim = 1;
}}
if ( verim == 0) {
form_err = "Email invalide ! - ";
}

if ( form_err != " ") {
alert(form_err);
return false;
}
return true
}

function valider2() {
var form_err = " ";
if ( document.frm2.nom.value.length < 1) {
form_err = "Entrez votre nom ! - ";
}

if ( document.frm2.tel.value.length < 1) {
form_err = "Entrez votre N&deg; de t&eacute;l&eacute;phone ! - ";
}

if ( document.frm2.email.value.length < 1) {
form_err = "Email invalide ! - ";
}
if ( document.frm2.email.value == "votrenom@mail.com") {
form_err = "Email invalide ! - ";
}
var verim = 0;
for (i=1; i<document.frm2.email.value.length -4; i++) {
if ( document.frm2.email.value.charAt(i) == "@") {
verim = 1;
}}
if ( verim == 0) {
form_err = "Email invalide ! - ";
}

if ( form_err != " ") {
alert(form_err);
return false;
}
return true
}