var formSubmit = true; // variable pour empecher les clicks abusifs sous IE

if(window.RegExp){
  var regexAlpha = /^[A-Za-zÀàÂâÉéÈèÊêËëÎîÏïÔôÖöÙùÛûÇç \-\'\.]+$/;
  var regexNum = /^[0-9]+$/;
  var regexAlphaNum = /^[0-9A-Za-zÀàÂâÉéÈèÊêËëÎîÏïÔôÖöÙùÛûÇç \-\'\.]+$/;
  //var regexVille = /^[A-Za-zÀàÂâÉéÈèÊêËëÎîÏïÔôÖöÙùÛûÇç \-\.]+$/;
  var regexAddress = /^[0-9]+(\,)? [0-9A-Za-zÀàÂâÉéÈèÊêËëÎîÏïÔôÖöÙùÛûÇç \-\.\']+$/;
  var regexPC = /^[A-Za-z][0-9][A-Za-z]( )?[0-9][A-Za-z][0-9]$/;
  var regexPhone = /^[0-9]{10}$/;
  var regexEmailNo = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
  var regexEmailYes = /^.+\@(\[?)[A-Za-z0-9\-\.]+\.([A-Za-z]{2,4}|[0-9]{1,3})(\]?)$/;
  var regexVIN = /^[0-9A-Za-z]{17}$/;
  var regexYear = /^[1-2][0-9]{3}$/;
  var regexKM = /^[0-9 \,\.]+$/;
  var regexDate = /^[0-9]{4}\/((0[1-9])|(1[0-2]))\/((0[1-9])|((1|2)[0-9])|(3(0|1)))$/;
  /*var regexHour = /^(((0|1)[0-9])|(2[0-3]))$/;*/
  var regexMoney = /^[0-9\.\,]+$/;
  
  var regexNotEmpty = /^.+$/;
  var regexOnlySpace = /^ +$/;
}

function validateField(field, regex){
  return regex.test(document.getElementById(field).value);
}

// Fonction checkprofil: Vérifie les champs nom, courriel et comments
function validateQuicknewsletter(f) {
  var fn = f.name;
  var ofn = document.forms[fn];
	var erreur = false;
  var nb_err = 0;
  
  if(!formSubmit) return false;
  formSubmit = false;
  
  if(document.getElementById('M_firstname').value == '' && document.getElementById('M_lastname').value == ''){  
    var title_err = '';
  	var msgerreur = "<ul>";
    
    if (!validateField('qwe', regexAlpha)){
      msgerreur += "<li>'First Name' : Please write your first name</li>";
      erreur = true;
      nb_err++;
    }
    
    if (!validateField('rty', regexAlpha)){
      msgerreur += "<li>'Last Name' : Please write your last name</li>";
      erreur = true;
      nb_err++;
    }
    
    if (!validateField('M_phone', regexNotEmpty) || validateField('M_phone', regexOnlySpace)){
      msgerreur += "<li>'Telephone' : Please write your phone number</li>";
      erreur = true;
      nb_err++;
    }
    
    if (!(!validateField('XXDESXXemail_address', regexEmailNo) && validateField('XXDESXXemail_address', regexEmailYes))){
      msgerreur += "<li>'E-mail' : Please write a valid e-mail address</li>";
      erreur = true;
      nb_err++;
    }
    
    msgerreur += "</ul>";
    
    if (nb_err > 1)
      title_err = "The following fields require your attention:";
    else
      title_err = "The following field requires your attention:";
  }

  if(erreur == true) {
		if(document.getElementById){
      document.getElementById("quicknewsletterErrmsg").innerHTML = title_err + msgerreur;
      document.getElementById('quicknewsletterErrmsg').style.display = '';
    }
    else
      alert(msgerreur);
    formSubmit = true;
		return false;
  }
  else {
    if(document.getElementById('M_firstname').value == '' && document.getElementById('M_lastname').value == ''){
      document.getElementById(f.id).submit();
    }
  }
}