// JavaScript Document
function Validation(form) {
	
	if (form.societe.value == "" || form.nom.value == "" || form.prenom.value == "" || document.getElementById("email").value == "" || form.tel.value == "" || form.objet.value == "" || form.message.value == "" ) {
			
		if(form.societe.value == "")	{
			var msg_societe = "\n>> Société";
		}
		else {var msg_societe = "";}
		
		if(form.nom.value == "")	{
			var msg_nom = "\n>> Nom";
		}
		else {var msg_nom = "";}
		
		if(form.prenom.value == "")	{
			var msg_prenom = "\n>> Prénom";
		}
		else {var msg_prenom = "";}
		
		if(document.getElementById("email").value == "")	{
			var msg_email = "\n>> E-mail";
		}
		else {var msg_email = "";}
		
		if(form.tel.value == "")	{
			var msg_tel = "\n>> Téléphone";
		}
		else {var msg_tel = "";}
		
		if(form.objet.value == "")	{
			var msg_objet = "\n>> Objet";
		}
		else {var msg_objet = "";}
		
		if(form.message.value == "")	{
			var msg_message = "\n>> Message";
		}
		else {var msg_message = "";}

		alert ('Veuillez renseigner le(s) champ(s) suivant(s) :' + msg_societe + msg_nom + msg_prenom + msg_email + msg_tel + msg_objet + msg_message); 
		return false;
	}


	if (isNaN(form.tel.value)) {
		alert('Le champ Téléphone ne doit contenir que des chiffres.');
		form.tel.focus();
		return false;
	}

	var mail=document.getElementById("email").value;
	ctl = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+([\.][a-z0-9-]+)+$/;
	
	if (mail.search(ctl) != -1)
		{return true;}
	else {
		alert('Une adresse E-mail valide est nécessaire.');
		document.getElementById("email").focus();
		return false;
	}
		
	return true;
}