diff --git a/src/site/controllers/parts.json.php b/src/site/controllers/parts.json.php
index 529b8a7..56307eb 100644
--- a/src/site/controllers/parts.json.php
+++ b/src/site/controllers/parts.json.php
@@ -12,28 +12,165 @@ class InvalidUserDataException extends UserException {}
 
 class ClubsHelperControllerUser
 {
-    
+    /**
+     * @param string $fcnName
+     * @param CommonClubsModelUser $user
+     * @param JInput $post
+     * @throws Exception
+     * @return string
+     */
     public function parse($fcnName, $user, $post)
     {
         switch($fcnName)
         {
             case 'name':
-                return $this->editName($user, $post);
+                $this->editName($user, $post);
+                break;
+            case 'username':
+                $this->editUsername($user, $post);
+                break;
+            case 'address':
+                $this->editAddress($user, $post);
+                break;
+            case 'city':
+                $this->editCity($user, $post);
+                break;
+            case 'mail':
+                $this->editMail($user, $post);
+                break;
+            case 'phone':
+                $this->editPhone($user, $post);
+                break;
+            case 'mobile':
+                $this->editMobile($user, $post);
+                break;
+                
+            default:
+                throw new Exception();
+        }
+        
+        return "index.php?option=com_clubs&view=part&type=user.$fcnName";
+    }
+    
+    private function checkLen($value, $len, $msg)
+    {
+        if(strlen($value) < 5)
+            throw new InvalidUserDataException($msg);
+    }
+    
+    private function editName($user, $post)
+    {
+        $name = trim($post->getString('value'));
+        $this->checkLen($name, 5, "Der Name muss mindestens 5 Zeichen lang sein.");
+        
+        $user->setName($name);
+        $user->save();
+    }
+    
+    private function editUsername($user, $post)
+    {
+        $username = $post->getString('value');
+        $validator = new ClubsHelperValidator();
+        $res = $validator->validateUsername($user, $username);
+        
+        switch($res)
+        {
+            case ClubsHelperValidator::USERNAME_VALID:
+                $user->setUsername($username);
+                $user->save();
+                return;
+                
+            case ClubsHelperValidator::USERNAME_NOT_FREE:
+                throw new InvalidUserDataException('Der Benutzername ist bereits vergeben.');
+                
+            case ClubsHelperValidator::USERNAME_NOT_OK:
+                throw new InvalidUserDataException('Der Benutzername ist nicht korrekt formaitert. Er muss mit einem Buchstaben beginnen.');
                 
             default:
                 throw new Exception();
         }
     }
     
-    public function editName($user, $post)
+    private function editAddress($user, $post)
     {
-        $name = $post->getString('name');
-        if(strlen($name) < 5)
-            throw new InvalidUserDataException("Der Name muss mindestens 5 Zeichen lang sein.");
+        $address = trim($post->getString('value'));
+        $this->checkLen($address, 10, 'Die Adresse muss mindestens 10 Zeichen lang sein.');
         
-        $user->setName($name);
+        $parts = array_filter(explode("\n", str_replace("\r", "\n", $address)));
+        if(count($parts) < 2)
+            throw new InvalidUserDataException('Die Adresse muss mindestens aus 2 Zeilen bestehen.');
+        
+        $addr = join("\n", $parts);
+        $user->setAddress($addr);
+        $user->save();
+    }
+    
+    private function editCity($user, $post)
+    {
+        $city = trim($post->getString('value'));
+        $this->checkLen($city, 4, 'Die Stadt muss aus mindestens 4 Zeichen bestehen.');
+        
+        $user->setCity($city);
+        $user->save();
+    }
+    
+    private function editMail($user, $post)
+    {
+        $mail = trim($post->getString('value'));
+        $this->checkLen($mail, 8, "Die Mail-Adresse muss aus mindestens 8 Zeichen bestehen.");
+        if(! preg_match('/..*@..*\...*/', $mail))
+            throw new InvalidUserDataException('Die Mail-Adresse hat kein gültiges Format.');
+        
+        $user->setMail($mail);
+        $user->save();
+    }
+    
+    private function editPhone($user, $post)
+    {
+        $phone = trim($post->getString('value'));
+        
+        if(strlen($phone) == 0)
+        {
+            $user->setPhone(null);
+            $user->save();
+            return;
+        }
+        
+        $validator = new ClubsHelperValidator();
+        $phonePlain = '';
+        $phoneDigits = '';
+        $valid = $validator->validatePhoneNumber($phone, $phonePlain, $phoneDigits);
+        
+        $this->checkLen($phoneDigits, 6, 'Die Telefonnummer muss mindestens 6 Ziffern umfassen.');
+        if(! $valid)
+            throw new InvalidUserDataException('Keine gültige Telefonnummer gegeben. Erlaubte Zeichen sind 0-9, -, + und Leerzeichen. Bitte Vorwahl mit angeben.');
+        
+        $user->setPhone($phonePlain);
+        $user->save();
+    }
+    
+    private function editMobile($user, $post)
+    {
+        $mobile = trim($post->getString('value'));
+        
+        if(strlen($mobile) == 0)
+        {
+            $user->setMobile(null);
+            $user->save();
+            return;
+        }
+        
+        $validator = new ClubsHelperValidator();
+        $mobilePlain = '';
+        $mobileDigits = '';
+        $valid = $validator->validatePhoneNumber($mobile, $mobilePlain, $mobileDigits);
+        
+        $this->checkLen($mobileDigits, 6, 'Die Handynummer muss mindestens 6 Ziffern umfassen.');
+        if(! $valid)
+            throw new InvalidUserDataException('Keine gültige Handynummer gegeben. Erlaubte Zeichen sind 0-9, -, + und Leerzeichen. Bitte Vorwahl mit angeben.');
+            
+        $user->setMobile($mobilePlain);
         $user->save();
-        return 'index.php?option=com_clubs&view=mypage&layout=parts&type=name';
     }
 }
 
diff --git a/src/site/helpers/validator.php b/src/site/helpers/validator.php
new file mode 100644
index 0000000..417e1ae
--- /dev/null
+++ b/src/site/helpers/validator.php
@@ -0,0 +1,45 @@
+<?php
+
+// No direct access.
+defined('_JEXEC') or die;
+
+class ClubsHelperValidator
+{
+    
+    public function validatePhoneNumber($number, &$cleanedNumber, &$plainDigits = null)
+    {
+        if($plainDigits !== null)
+            $plainDigits = preg_replace('/[^+0-9]/', '', $number);
+        
+        $cleanedNumber = preg_replace('/[^-+ 0-9]/', '', $number);
+        
+        $validNational = preg_match('/^0[0-9 -]+$/', $cleanedNumber);
+        $validInternational = preg_match('/^\+[0-9 -]+$/', $cleanedNumber);
+        
+        return ($validNational || $validInternational);
+    }
+    
+    
+    const USERNAME_VALID = 0;
+    const USERNAME_NOT_FREE = 1;
+    const USERNAME_NOT_OK = 2;
+    /**
+     * @param CommonClubsModelUser $user
+     * @param string $username
+     */
+    public function validateUsername($user, &$username)
+    {
+        // Remove false chars
+        $username = preg_replace('/[^a-zA-Z0-9!@#$%^&*()[]{}_+=\/\\?-]/', '', $username);
+        
+        // Ensure start with an alphabetic char
+        if(! preg_match('/^[a-zA-Z]/', $username))
+            return self::USERNAME_NOT_OK;
+        
+        if(! $user->isUsernameFree($username))
+            return self::USERNAME_NOT_FREE;
+        
+        return self::USERNAME_VALID;
+    }
+    
+}
\ No newline at end of file