diff --git a/img/img.php b/img/img.php
index 855d3e3..9502ab3 100644
--- a/img/img.php
+++ b/img/img.php
@@ -1,41 +1,53 @@
 <?php
+
 namespace SYSTEM\IMG;
 
-class img {    
+class img {
+
     private static $imgfolders = array(); //only strings!   (catname => array(2.path 3.mask))*
-    
-    public static function registerFolder($path,$cat,$mask){
-        self::$imgfolders[$cat] = array($path,$mask);}
-    
-    public static function get($cat = null,$id = null,$returnasjson = false){
-        if(!$cat){
-            return $returnasjson ? \SYSTEM\LOG\JsonResult::toString(self::$imgfolders) : self::$imgfolders;}        
-        
-        if(!array_key_exists($cat, self::$imgfolders)){
-            throw new \SYSTEM\LOG\ERROR("No matching Cat '".$cat."' found.");}
-            
-        $folder = self::getFolder(self::$imgfolders[$cat][0],self::$imgfolders[$cat][1]);
-        if($id == null){
-            return $returnasjson ? \SYSTEM\LOG\JsonResult::toString($folder) : $folder;}
-        
-        if(!in_array($id, $folder)){
-             throw new \SYSTEM\LOG\ERROR("No matching ID '".$id."' found.");}
-        
-        \SYSTEM\HEADER::PNG();     
-        return file_get_contents(self::$imgfolders[$cat][0].$id);        
+
+    public static function registerFolder($path, $cat, $mask) {
+        self::$imgfolders[$cat] = array($path, $mask);
     }
-    
-    public static function put($cat,$id,$contents){
-        throw new \SYSTEM\LOG\ERROR("not implemented");}
-    
-    private static function getFolder($folder,$mask){
+
+    public static function get($cat = null, $id = null, $returnasjson = false) {
+        if (!$cat) {
+            return $returnasjson ? \SYSTEM\LOG\JsonResult::toString(self::$imgfolders) : self::$imgfolders;
+        }
+
+        if (!array_key_exists($cat, self::$imgfolders)) {
+            throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");
+        }
+
+        $folder = self::getFolder(self::$imgfolders[$cat][0], self::$imgfolders[$cat][1]);
+        if ($id == null) {
+            return $returnasjson ? \SYSTEM\LOG\JsonResult::toString($folder) : $folder;
+        }
+
+        if (!in_array($id, $folder)) {
+            throw new \SYSTEM\LOG\ERROR("No matching ID '" . $id . "' found.");
+        }
+
+        \SYSTEM\HEADER::PNG();
+        return file_get_contents(self::$imgfolders[$cat][0] . $id);
+    }
+
+    public static function put($cat, $id, $contents) {
+        if (!array_key_exists($cat, self::$imgfolders)) {
+            throw new \SYSTEM\LOG\ERROR("No matching Cat '" . $cat . "' found.");}        
+        return move_uploaded_file($contents, self::$imgfolders[$cat][0].$id);        
+    }
+
+    private static function getFolder($folder, $mask) {
         $files = array();
-        foreach (glob($folder.$mask) as $file) {
-            $files[] = basename($file);}        
+        foreach (glob($folder . $mask) as $file) {
+            $files[] = basename($file);
+        }
         return $files;
     }
-    
-    public static function getURL($cat,$id=null){
-        return \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_BASEURL).'api.php?call=img&cat='.$cat.'&id='.$id;}
-    
+
+    public static function getURL($cat, $id = null) {
+        return \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CONFIG_PATH_BASEURL) . 'api.php?call=img&cat=' . $cat . '&id=' . $id;
+    }
+
 }
diff --git a/sai/modules/saimod_sys_img/saimod_sys_img.php b/sai/modules/saimod_sys_img/saimod_sys_img.php
index 26b7e0f..e6c9237 100644
--- a/sai/modules/saimod_sys_img/saimod_sys_img.php
+++ b/sai/modules/saimod_sys_img/saimod_sys_img.php
@@ -2,23 +2,30 @@
 namespace SYSTEM\SAI;
 
 class saimod_sys_img extends \SYSTEM\SAI\SaiModule {    
+    public static function sai_mod__SYSTEM_SAI_saimod_sys_img_action_upload($cat){
+        if(!\SYSTEM\IMG\img::put($cat, basename($_FILES['datei']['name']) , $_FILES['datei']['tmp_name'])){
+            throw new \SYSTEM\LOG\ERROR("upload problem");}
+        
+        throw new \SYSTEM\LOG\ERROR("upload finished sucessful");
+    }
     public static function sai_mod__SYSTEM_SAI_saimod_sys_img(){
         //tt
         $result = '';  
-        $img_folders = \SYSTEM\IMG\img::get();
-        $result .= '<form action="upload.php" method="post" enctype="multipart/form-data">'; 
+        $img_folders = \SYSTEM\IMG\img::get();                
         foreach($img_folders as $name=>$folder){
             $cat = \SYSTEM\IMG\img::get($name);
             $result .= "<h3>".$name."</h3>";
-            
-            $result .= '<input type="file" name="datei"><br>
-                        <input type="submit" class="btn" value="Hochladen">'; 
+            $result .= '<form action="'.\SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_SAI_CONFIG_BASEURL).'sai_mod=.SYSTEM.SAI.saimod_sys_img&action=upload&cat='.$name.'" method="post" enctype="multipart/form-data">'; 
+            $result .= '<input type="hidden" name="MAX_FILE_SIZE" value="3000000" />                        
+                        <input type="file" name="datei"><br>
+                        <input type="submit" class="btn" value="Hochladen">';
+            $result .= "</form>";
+                        
             foreach($cat as $img){
                 //$result .= '<img src="api.php?call=img&cat='.$name.'&id='.$img.'" alt="" />';   
                 $result .= '<li><a href="api.php?call=img&cat='.$name.'&id='.$img.'">'.$img.'</a></li>';   
             }
-        }
-        $result .= "</form>";
+        }        
         return $result;
     }