function Valide(form)
{
 // adaptation des noms des champs à l'autorépondeur AWeber
 var oPre = form.name;
 var oAdr = form.email;
 // eliminer accents
 oPre.value = No_accent(oPre.value);
 // test si saisie prenom
 if (oPre.value == "")
 {
  alert("Merci de saisir votre prénom.");
  oPre.focus();
  return (false);
 }
 else // formatter le(s) prenom(s)
 {
  // mettre initiale(s) en majuscule
  var sPi = oPre.value;
  var nLen = sPi.length;
  var sCar = "";
  var sPf = "";
  var bMaj = true; // première en majuscule
  // boucle sur caractères
  for (i = 0; i < nLen; i++)
  {
   sCar = sPi.charAt(i).toLowerCase();
   if (bMaj == true) {sCar = sCar.toUpperCase(); bMaj = false; }
   sPf = sPf + sCar;
   if (sCar == " " || sCar == "-") { bMaj = true; }
  }
  oPre.value = sPf;
 }
 //test si saisie email
 if (oAdr.value == "")
 {
  alert("Veuillez saisir votre adresse e-mail.");
  oAdr.focus();
  return (false);
 }
 // test si addresse email valide = présence @ et .
 var checkEmail = "@.";
 var checkStr = oAdr.value;
 var EmailValid = false;
 var EmailAt = false;
 var EmailPeriod = false;
 for (i = 0; i < checkStr.length; i++)
 {
  ch = checkStr.charAt(i);
  for (j = 0; j < checkEmail.length; j++)
  {
   if (ch == checkEmail.charAt(j) && ch == "@") EmailAt = true;
   if (ch == checkEmail.charAt(j) && ch == ".") EmailPeriod = true;
   if (EmailAt && EmailPeriod) break;
   if (j == checkEmail.length) break;
  }
  // si @ et . dans l'adresse = ok
  if (EmailAt && EmailPeriod)
  {
   EmailValid = true
   break;
  }
 }
 if (!EmailValid)
 {
  alert("Votre adresse e-mail n'est pas correcte, merci de la corriger.");
  oAdr.focus();
  return (false);
 }
 return(true);
}


function No_accent(my_string) {
var new_string = String (my_string);
new_string = new_string.replace(RegExp("(\u0040|&#x40|&#064;|@|&commat;|\u0061|&#x61|&#097;|\u00C0|&#xC0|&#192;|À|&Agrave;|\u00C1|&#xC1|&#193;|Á|&Aacute;|\u00C2|&#xC2|&#194;|Â|&Acirc;|\u00C3|&#xC3|&#195;|Ã|&Atilde;|\u00C4|&#xC4|&#196;|Ä|&Auml;|\u00C5|&#xC5|&#197;|Å|&Aring;|\u00E0|&#xE0|&#224;|à|&agrave;|\u00E1|&#xE1|&#225;|á|&aacute;|\u00E2|&#xE2|&#226;|â|&acirc;|\u00E3|&#xE3|&#227;|ã|&atilde;|\u00E4|&#xE4|&#228;|ä|&auml;|\u00E5|&#xE5|&#229;|å|&aring;)","gi"),'a');
new_string = new_string.replace(RegExp("(\u00C7|&#xC7|&#199;|Ç|&Ccedil;|\u00E7|&#xE7|&#231;|ç|&ccedil;)","gi"),'c');
new_string = new_string.replace(RegExp("(\u00D0|&#xD0|&#208;|Ð|&ETH;)","gi"),'d');
new_string = new_string.replace(RegExp("(\u0065|&#x65;|&#101;|\u00C8|&#xC8;|&#200;|È|&Egrave;|\u00C9|&#xC9;|&#201;|É|&Eacute;|\u00CA|&#xCA;|&#202;|Ê|&Ecirc;|\u00CB|&#xCB;|&#203;|Ë|&Euml;|\u00E8|&#xE8;|&#232;|è|&egrave;|\u00E9|&#xE9;|&#233;|é|&eacute;|\u00EA|&#xEA;|&#234;|ê|&ecirc;|\u00EB|&#xEB;|&#235;|ë|&euml;)","gi"),'e');
new_string = new_string.replace(RegExp("(\u0069|&#x69|&#105;|\u00CC|&#xCC|&#204;|Ì|&Igrave;|\u00CD|&#xCD|&#205;|Í|&Iacute;|\u00CE|&#xCE|&#206;|Î|&Icirc;|\u00CF|&#xCF|&#207;|Ï|&Iuml;|\u00EC|&#xEC|&#236;|ì|&igrave;|\u00ED|&#xED|&#237;|í|&iacute;|\u00EE|&#xEE|&#238;|î|&icirc;|\u00EF|&#xEF|&#239;|ï|&iuml;)","gi"),'i');
new_string = new_string.replace(RegExp("(\u006E|&#x6E|&#110;|\u00D1|&#xD1|&#209;|Ñ|&Ntilde;|\u00F1|&#xF1|&#241;|ñ|&ntilde;)","gi"),'n');
new_string = new_string.replace(RegExp("(\u006F|&#x6F|&#111;|\u00D2|&#xD2|&#210;|Ò|&Ograve;|\u00D3|&#xD3|&#211;|Ó|&Oacute;|\u00D4|&#xD4|&#212;|Ô|&Ocirc;|\u00D5|&#xD5|&#213;|Õ|&Otilde;|\u00D6|&#xD6|&#214;|Ö|&Ouml;|\u00F2|&#xF2|&#242;|ò|&ograve;|\u00F3|&#xF3|&#243;|ó|&oacute;|\u00F4|&#xF4|&#244;|ô|&ocirc;|\u00F5|&#xF5|&#245;|õ|&otilde;|\u00F6|&#xF6|&#246;|ö|&ouml;|\u00F8|&#xF8|&#248;|ø|&oslash;)","gi"),'o');
new_string = new_string.replace(RegExp("(\u0075|&#x75|&#117;|\u00D9|&#xD9|&#217;|Ù|&Ugrave;|\u00DA|&#xDA|&#218;|Ú|&Uacute;|\u00DB|&#xDB|&#219;|Û|&Ucirc;|\u00DC|&#xDC|&#220;|Ü|&Uuml;|\u00F9|&#xF9|&#249;|ù|&ugrave;|\u00FA|&#xFA|&#250;|ú|&uacute;|\u00FB|&#xFB|&#251;|û|&ucirc;|\u00FC|&#xFC|&#252;|ü|&uuml;)","gi"),'u');
new_string = new_string.replace(RegExp("(\u0079|&#x79|&#121;|\u00DD|&#xDD|&#221;|Ý|&Yacute;|\u00FD|&#xFD|&#253;|ý|&yacute;|\u00FF|&#xFF|&#255;|ÿ|&yuml;)","gi"),'y');
new_string = new_string.replace(RegExp("(\u00C6|&#xC6|&#198;|Æ|&AElig;|\u00E6|&#xE6|&#230;|æ|&aelig;)","gi"),'ae');
new_string = new_string.replace(RegExp("(\u008C|&#x8C|&#140;|Œ|&OElig;|\u009C|&#x9C|&#156;|œ|&oelig;)","gi"),'oe');
return new_string;
}