function ValideFormG() {
var valide = false;
var atsign=document.Reservationgr.Email.value;

if (document.Reservationgr.code.value.length <1) {
  window.alert("Code invalide !");
  document.Reservationgr.code.select();
  document.Reservationgr.code.focus();

} 

else if (document.Reservationgr.Nom.value.length <2) {
  window.alert("Nom invalide !");
  document.Reservationgr.Nom.select();
  document.Reservationgr.Nom.focus();

} 

else if (document.Reservationgr.Prenom.value.length <2) {
  window.alert("Prenom invalide !");
  document.Reservationgr.Prenom.select();
  document.Reservationgr.Prenom.focus();

} 

else if (document.Reservationgr.Code_Postal.value.length <2) {
  window.alert("Code Postal invalide !");
  document.Reservationgr.Code_Postal.select();
  document.Reservationgr.Code_Postal.focus();

} 

else if (document.Reservationgr.Commune.value.length <2) {
  window.alert("Ville invalide !");
  document.Reservationgr.Commune.select();
  document.Reservationgr.Commune.focus();

}


else if (document.Reservationgr.Email.value.length <2) {
  window.alert("Email invalide !");
  document.Reservationgr.Email.select();
  document.Reservationgr.Email.focus();

}

else if (document.Reservationgr.Telephone.value.length <2) {
  window.alert("Telephone invalide !");
  document.Reservationgr.Telephone.select();
  document.Reservationgr.Telephone.focus();
} 

else if (document.Reservationgr.Remarques.value.length <2) {
  window.alert("Remarques invalide !");
  document.Reservationgr.Remarques.select();
  document.Reservationgr.Remarques.focus();
} 


else {
valide = true;
document.Reservationgr.envoyer.disabled=true;document.body.className = 'sablier';
}
	
return valide;
}
// function ValideForm()