function validation(formulaire, messages)
{
	retour = true;
	document.getElementById('nomFrom').style.borderColor ='#ccc';
	document.getElementById('emailFrom').style.borderColor ='#ccc';
	document.getElementById('message').style.borderColor ='#ccc';
	document.getElementById('alerte').style.visibility = "hidden";
	
	if(retour && formulaire.nomFrom.value == '')
	{
		document.getElementById('alerte').innerHTML = messages[0];
		document.getElementById('nomFrom').style.borderColor ='red';
		retour = false;
	}
	
	if(retour && !isEmail(formulaire.emailFrom.value))
	{
		document.getElementById('alerte').innerHTML = messages[1];
		document.getElementById('emailFrom').style.borderColor ='red';
		retour = false;
	}
	
	if(retour && formulaire.message.value == '')
	{
		document.getElementById('alerte').innerHTML = messages[0];
		document.getElementById('message').style.borderColor ='red';
		retour = false;
	}
	
	if(!retour)
	{
		document.getElementById('alerte').style.visibility = "visible";
	}
	
	return retour;
}