function couleur(obj){
	obj.style.backgroundColor = "#FFFFFF";
}
function Verif(){
	var nom,email,message;
	var msg = "Veuillez saisir votre : \n";
	nom = document.contact.nom.value;
	email = document.contact.email.value;
	message = document.contact.message.value;

	if(nom == ""){
		msg += "- nom\n";
		document.contact.nom.style.backgroundColor = "#F3C200";
	}
	if(email != ""){
		indexAroba = document.contact.email.value.indexOf('@');
		indexPoint = document.contact.email.value.indexOf('.');
		if((indexAroba < 0) || (indexPoint < 0)){
			document.contact.email.style.backgroundColor = "#F3C200";
			msg += "L'email est incorrect\n";
		}
	}
	else{
		document.contact.email.style.backgroundColor = "#F3C200";
		msg += "- email\n";
	}
	if(message == ""){
		msg += "- message\n";
		document.contact.message.style.backgroundColor = "#F3C200";
	}

	if(msg == "Veuillez saisir votre : \n") return(true);
	else{
		alert(msg);
		return(false);
	}
}