diff --git a/Patients.php b/Patients.php
index 1f1c3d8..48caa84 100755
--- a/Patients.php
+++ b/Patients.php
@@ -106,6 +106,7 @@ $answerType = (isset($_GET['type'])) ? $_GET['type'] : null;
 
 						<span>Choix du médecin traitant (optionnel)</span><br>
 						<select id='crMedecin' name='id_medecin'><?php
+							echo "<option value='.'>Médecins traitants</option>";
 							foreach(MedecinRepo::getAll() as $MEDECIN)
 								echo "<option value='".$MEDECIN['Id']."'>".$MEDECIN['Nom']." ".$MEDECIN['Prenom']."</option>";
 						?></select>
diff --git a/js/lib/API.js b/js/lib/API.js
index 319c529..82b8b71 100755
--- a/js/lib/API.js
+++ b/js/lib/API.js
@@ -44,8 +44,10 @@ APIClass.prototype = {
 		else                                 // IE5, IE6 
 			this.xhr[i] = new ActiveXObject('Microsoft.XMLHttpRequest');
 
+
 		console.log(pRequest);
 
+
 		var ptrAPI = this;
 		this.xhr[i].onreadystatechange = function(){
 			if( ptrAPI.xhr[i].readyState == 4 ){ // si la requête est terminée
@@ -74,6 +76,8 @@ APIClass.prototype = {
 				form.append(obj, pRequest[obj]);
 
 		this.xhr[i].open('POST', '/managers/', true);
+		// on définit le HEADER
+		this.xhr[i].setRequestHeader('X-Requested-With', 'XMLHttpRequest');
 		this.xhr[i].send( form );
 
 	}
diff --git a/js/patients.js b/js/patients.js
index 2de5999..2cf2a28 100755
--- a/js/patients.js
+++ b/js/patients.js
@@ -168,13 +168,13 @@ sbCreer.addEventListener('click', function(e){
 			nom: inNom.value,
 			civilite: (inCivil[0].checked) ? inCivil[0].value : inCivil[1].value,
 			adresse: inAdr.value,
-			adresse2: inAdr2.value,
+			adresse2: (inAdr2.value.length>0) ? inAdr2.value : null,
 			code_postal: inCP.value,
 			ville: inVille.value,
 			date_naissance: inDN.value,
 			lieu_naissance: inLN.value,
 			num_secu: inSecu.value,
-			medecin_traitant: inMedecin.value
+			medecin_traitant: (inMedecin.value!='.') ? inMedecin.value : null
 		};
 
 		API.send('Patient:add', request, function(e){
diff --git a/managers/index.php b/managers/index.php
index d2ec853..560789a 100755
--- a/managers/index.php
+++ b/managers/index.php
@@ -37,6 +37,12 @@ if(isset($_POST['command'])){
         $objectResponse->send();
     }
 
+}else{
+    $response = json_encode(['result' => false,
+            'message' => "Variable POST command inexistante"]);
+    $objectResponse = new Response(404);
+    $objectResponse->write($response);
+    $objectResponse->send();
 }
 ob_end_clean();
 ?>
diff --git a/repositories/StaticRepo.php b/repositories/StaticRepo.php
index a923d17..26c4eee 100755
--- a/repositories/StaticRepo.php
+++ b/repositories/StaticRepo.php
@@ -109,10 +109,12 @@ class StaticRepo{
         =============================================================*/
         $checker = true; // contiendra VRAI si la vérification s'avère correcte
         $matches = [];
+        $len = 8;
+
         //si on a un type scalairexlongueur, on traite
-        if(preg_match_all('/((?:[a-z][a-z]+))(\\d+)/is',$dbtype,$matches)){
+        if(preg_match_all('/([A-Z][a-z]+)(\d+)/s', $dbtype,$matches)){
             $dbtype = $matches[1][0];
-            isset($matches[2][0])? $len = $matches[2][0] : $len = 8;
+            $len    = $matches[2][0];
         }
 
         switch($dbtype){
@@ -123,27 +125,27 @@ class StaticRepo{
 
             // [2] Chaine de caractère (longueur variable)
             case 'String':
-                $checker = $checker && is_string($variable) && strlen($variable)<$len;
+                $checker = $checker && is_string($variable) && strlen($variable) <= $len;
                 break;
 
             case 'Integer':
-                $checker = $checker && is_int($variable) && $variable<pow(2,32);
+                $checker = $checker && is_int($variable) && $variable<pow(2, 32);
                 break;
 
             case 'SmallInteger':
-                $checker = $checker && is_int($variable) && $variable<pow(2,16);
+                $checker = $checker && is_int($variable) && $variable<pow(2, 16);
                 break;
 
             case 'TinyInteger':
-                $checker = $checker && is_int($variable) && $variable<pow(2,8);
+                $checker = $checker && is_int($variable) && $variable<pow(2, 8);
                 break;
 
             case 'BigInteger':
-                $checker = $checker && is_int($variable) && $variable<pow(2,64);
+                $checker = $checker && is_int($variable) && $variable<pow(2, 64);
                 break;
 
             case 'Date':
-                $checker = $checker && is_string($variable) && preg_match('/(\d+)\/(\d+)\/(\d+)/is',$variable);
+                $checker = $checker && is_string($variable) && ( preg_match('/\d{2}\/\d{2}\/\d{4}/', $variable) || preg_match('/\d{4}-\d{2}-\d{2}/', $variable) );
                 break;
 
             case 'Heure':
diff --git a/repositories/repos/PatientRepo.php b/repositories/repos/PatientRepo.php
index 740676e..bec3383 100755
--- a/repositories/repos/PatientRepo.php
+++ b/repositories/repos/PatientRepo.php
@@ -18,34 +18,56 @@ class PatientRepo
     }
 
     public static function add($civilite,$prenom,$nom,$adresse,$adresse2,$ville,$codePostal,$dateNaissance,$lieuNaissance,$numSecu,$medecinTraitant = null){
-
-        if(!StaticRepo::checkParam($civilite,'Civilite') && !StaticRepo::checkParam($prenom,'String45') && !StaticRepo::checkParam($nom,'String45')
-            && !StaticRepo::checkParam($adresse,'String255') && !StaticRepo::checkParam($adresse2,'String255')&& !StaticRepo::checkParam($ville,'String50')
-            && !StaticRepo::checkParam($codePostal,'String5') && !StaticRepo::checkParam($dateNaissance,'Date') && !StaticRepo::checkParam($lieuNaissance,'String50')
-            && !StaticRepo::checkParam($numSecu,'String15')){return false;}
-
-        if($medecinTraitant != null && !StaticRepo::checkParam($medecinTraitant,'Integer')){return false;}
+        $correctTypes = StaticRepo::checkParam($civilite,'Civilite');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($prenom,'String45');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($prenom,'String45');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($nom,'String45');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($adresse,'String255');
+        $correctTypes = $correctTypes && ( $adresse2 == 'null' || StaticRepo::checkParam($adresse2, 'String255') );
+        $correctTypes = $correctTypes && StaticRepo::checkParam($ville,'String50');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($codePostal,'String');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($dateNaissance,'Date');
+        $correctTypes = $correctTypes && StaticRepo::checkParam($lieuNaissance,'String50');
+        $correctTypes = $correctTypes && ( $medecinTraitant == 'null' || StaticRepo::checkParam($medecinTraitant, 'Integer') );
+        if( !$correctTypes ) return false;
 
         $dateNaissance = strtotime($dateNaissance);
         $dateNaissance = Date('o-m-d',$dateNaissance);
 
-        $req = StaticRepo::getConnexion()->prepare('INSERT INTO Patient VALUES (DEFAULT,:civilite,:nom,:prenom,:adresse,:adresse2,:ville,:codePostal,:dateNaissance,:lieuNaissance,:numSecu,:medecin)');
-        $result = $req->execute(['civilite' => $civilite,
-            'nom' => $nom,
-            'prenom' => $prenom,
-            'adresse' => $adresse,
-            'adresse2' => $adresse2,
-            'ville' => $ville,
-            'codePostal' => $codePostal,
+        $req = StaticRepo::getConnexion()->prepare("INSERT INTO Patient
+            VALUES(DEFAULT,
+                :civilite,
+                :nom,
+                :prenom,
+                :adresse,
+                :adresse2,
+                :ville,
+                :codePostal,
+                :dateNaissance,
+                :lieuNaissance,
+                :numSecu,
+                :medecin
+        )");
+        $result = $req->execute([
+            'civilite'      => $civilite,
+            'nom'           => $nom,
+            'prenom'        => $prenom,
+            'adresse'       => $adresse,
+            'adresse2'      => (strlen($adresse2)>0) ? $adresse2 : NULL,
+            'ville'         => $ville,
+            'codePostal'    => $codePostal,
             'dateNaissance' => $dateNaissance,
             'lieuNaissance' => $lieuNaissance,
-            'numSecu' => $numSecu,
-            'medecin' => $medecinTraitant ]);
+            'numSecu'       => $numSecu,
+            'medecin'       => $medecinTraitant
+        ]);
+
         //PDO renvoie un ID sous forme de char, on transtype
         $id = StaticRepo::getConnexion()->lastInsertId();
         settype($id,'integer');
-        if($result){return $id;}
-        else{return false;}
+
+        if($result)return $id;
+        else       return false;
 
     }