// JavaScript Document

expregemail = /^[a-z]\w*((-|\.)\w+)*[a-z0-9]@[a-z]\w*((-|\.)\w+)*[a-z0-9]\.[a-z]{2,4}$/;
expregfield = /^[a-zA-Zéèêàîïûü]/;

function Check(form) {
	var errMsg = "";
	var nbErr = 0;	
	if (form.prenom.value.match(expregfield) == null) {
		errMsg = errMsg + (nbErr>=1?", ":"") + "\"Prénom\"";
		nbErr ++;
		}
	if (form.nom.value.match(expregfield) == null) {
		errMsg = errMsg + (nbErr>=1?", ":"") + "\"Nom\"";
		nbErr ++;
		}
	if (form.message.value.match(expregfield) == null) {
		errMsg = errMsg + (nbErr>=1?", ":"") + "\"Message\"";
		nbErr ++;
		}
	if (form.email.value.match(expregemail) == null) {
		errMsg = errMsg + (nbErr>=1?", ":"") + "\"Email\"";
		nbErr ++;
		}
	if (nbErr > 0) {
		if (nbErr > 1) alert ("Les champs " + errMsg + " sont incorrects.");
		else alert ("Le champ " + errMsg + " est incorrect.");
		return false;
		}
	return true;
	}