// Blink the @ in forms field
function blinky(){
  var delay = 750;
  document.getElementById("top_email").value = document.getElementById("top_email").value == '@' ? '' : '@';
  document.getElementById("middle_email").value = document.getElementById("middle_email").value == '@' ? '' : '@';
  document.getElementById("footer_email").value = document.getElementById("footer_email").value == '@' ? '' : '@';
  timerb = setTimeout('blinky(' + delay + ')', delay);
}
// Stop Blink the @ in forms field on focus
function stopblinky(field){
  clearInterval(timerb);
  document.getElementById(field).value = '';
}
// Blink the player
function blinkP(){
  var delayP = 800;
  document.getElementById("bt1").style.visibility = document.getElementById("bt1").style.visibility == 'hidden' ? 'visible' : 'hidden';
  document.getElementById("bt2").style.visibility = document.getElementById("bt2").style.visibility == 'hidden' ? 'visible' : 'hidden';
  timerP = setTimeout('blinkP(' + delayP + ')', delayP);
}
function check_email(t){
  var test_email = /^[\w-\.]{2,}@[\w-]{1,}\./;
  return test_email.test(t);
}
function submitMail(ch){
  var errorMsgs = 'Votre adresse email n\'est pas valide';
  var mail = document.getElementById(ch).value;
  if(! check_email(mail)){
    alert(errorMsgs);
    return;
  }
  var url = 'http://promo.vador.com/index.php/mailcatch/index/wid/10/rebill/1/offer/13/track1/edm-cactheur-diz1/track2/edm-diz1/site/extraits-de-matures.com/niche/5/lang/fr/mail/'+mail;
  window.open(url);
}