function verif(email) {
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)) { alert('Cet e-mail n\'est pas valide !');return false }
	else { document.newsletter.submit();return true }
}

function verif2(email,msg,cv,cv2) {
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	var email_valide=1;
	var msg_valide=1;
	var code=1;
	
	//Verification de l'email
	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)) 
	{ 
    
    document.getElementById("email").className="input_contact_error";
    document.getElementById("erreur_image").style.visibility="visible";
	alert('Cet e-mail n\'est pas valide !');
    email_valide=0;
  }
  else if(document.getElementById('email').className=="input_contact_error")
  { document.getElementById('email').className="input_contact"; document.getElementById("erreur_image").style.visibility="hidden";} 
  
  
  //Verification du message
  if(msg=="")
  {
    document.getElementById('message').className="input_contact_msg_error";
    document.getElementById("erreur_image_msg").style.visibility="visible";
    msg_valide=0;
  }
  else
  {
    document.getElementById('message').className="input_contact_msg";
    document.getElementById("erreur_image_msg").style.visibility="hidden";
    msg_valide=1;
  }
  
  //Verification du code
  if(cv!=cv2)
  { 
    document.getElementById('code_verif').className="input_contact_error";
    document.getElementById("erreur_cv").style.visibility="visible";
    code=0;
  }
  
  if(cv==cv2 && document.getElementById('code_verif').className=="input_contact_error")
  { 
    document.getElementById('code_verif').className="input_livre_or";
    document.getElementById("erreur_cv").style.visibility="hidden";
    code=1;
  } 
  
  
  if(email_valide==1 && msg_valide==1 && code==1)
    {  document.estimation.submit();return true; }
  else
    {  return false; }
  
}