function contact_post(){
  //Validation des données
    form_config = [{"input_id":"contact_firstname","label":"Pr\u00e9nom","mandatory":true,"data_type":"varchar"},{"input_id":"contact_name","label":"Nom","mandatory":true,"data_type":"varchar"},{"input_id":"contact_email","label":"Courriel","mandatory":true,"data_type":"email"},{"input_id":"contact_phone","label":"T\u00e9l\u00e9phone","mandatory":true,"data_type":"phone"},{"input_id":"contact_msg","label":"Message","mandatory":true,"data_type":"varchar"}]
  if(form_validation(form_config)){
    document.getElementById('fr_contact').method='post';
    document.getElementById('fr_contact').action='post_contact.php';
    document.getElementById('fr_contact').target='_top';
    document.getElementById('fr_contact').submit();
  }  
}