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;

	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)) 
	{ 
    alert('Cet e-mail n\'est pas valide !');
    document.getElementById("erreur_image").style.visibility="visible";
    email_valide=0;
  	}
  else
  { 
  document.getElementById("erreur_image").style.visibility="hidden";
  email_valide==1
  } 
  
  
  //Verification du message
  if(msg=="")
  {
    document.getElementById("erreur_image_msg").style.visibility="visible";
    msg_valide=0;
  }
  else
  {
    document.getElementById("erreur_image_msg").style.visibility="hidden";
    msg_valide=1;
  }
  
  //Verification du code
  if(cv!=cv2)
  { 
    document.getElementById("erreur_cv").style.visibility="visible";
    code=0;
  }
  
  if(cv==cv2)
  { 
    document.getElementById("erreur_cv").style.visibility="hidden";
    code=1;
  } 
  
  
  if(email_valide==1 && msg_valide==1 && code==1)
    {  document.newsletter.submit();return true; }
  else
    {  return false; }


}