diff --git a/sai/modules/saimod_sys_error/sai_sys_error.js b/sai/modules/saimod_sys_error/sai_sys_error.js
index 283eeab..1ba62b6 100644
--- a/sai/modules/saimod_sys_error/sai_sys_error.js
+++ b/sai/modules/saimod_sys_error/sai_sys_error.js
@@ -1,22 +1,18 @@
 function init__SYSTEM_SAI_saimod_sys_error() {  
     
-    
     $('#truncate_table').click(function(){
-        
+
         $.ajax({
             type :'GET',
-            //url  : './system/sai/modules/saimod_sys_error/saimod_sys_error.php',
-            data :{truncate : 'sys_log'},
+            url  : './?action=developer&sai_mod=.SYSTEM.SAI.saimod_sys_error&truncate=sys_log',
             success : function(data) {
-                if(data === true){
-                    
-                    
+                
+                if(data == 1){
+                    $('#info_box').html("deleting data...");
                     $('#truncate_modal').modal('hide');
-                    //location.reload(true);
+                    $('#content-wrapper').load('./?action=developer&sai_mod=.SYSTEM.SAI.saimod_sys_error');
                 }else{
-                    //location.reload(true);
-                    $('#truncate_modal').modal('hide');
-                    //you don't have the permission to truncate table
+                    $('#info_box').html("You do not have the permission to truncate table!");
                 }
                 
            }
@@ -24,21 +20,24 @@ function init__SYSTEM_SAI_saimod_sys_error() {
     });
     
     
-    $('#refresh_error_table').click(function(){
+    $('#refresh_error_table').live("click", (function(){
         
         $('img#loader').show();
         
+        $('#content-wrapper').load('./?action=developer&sai_mod=.SYSTEM.SAI.saimod_sys_error');
         
-        setTimeout($('img#loader').hide(), 3000);
-            //TODO: reload error msgs....
+        setTimeout("$('img#loader').hide()", 1300);
         
-        
-        
-        
-    })
-        
-
+    }));
     
     
+    $("#filter-error button").live("click", (function(){
+        
+        $(this).parents().children().removeClass('active');
+        $(this).addClass('active');
+        
+        
+        $('#table-wrapper').load('./?action=developer&sai_mod=.SYSTEM.SAI.saimod_sys_error&filter_error='+$(this).attr('id'));
+    }));
     
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_error/sai_sys_error_truncate.php b/sai/modules/saimod_sys_error/sai_sys_error_truncate.php
new file mode 100644
index 0000000..f1479fb
--- /dev/null
+++ b/sai/modules/saimod_sys_error/sai_sys_error_truncate.php
@@ -0,0 +1,18 @@
+<?php
+
+
+
+if( isset($_GET['truncate'])){
+    if(\SYSTEM\SECURITY\Security::check(\SYSTEM::getSystemDBInfo(), \SYSTEM\SECURITY\RIGHTS::SYS_SAI)){
+        $con = new \SYSTEM\DB\Connection(\SYSTEM::getSystemDBInfo());
+        $res = $con->query('TRUNCATE system.sys_log;');
+        echo '1';
+        return TRUE;
+    }else{
+        echo '0';
+        return FALSE;
+    }
+
+}
+
+?>
diff --git a/sai/modules/saimod_sys_error/saimod_sys_error.php b/sai/modules/saimod_sys_error/saimod_sys_error.php
index 5a1e604..6dfb5f6 100644
--- a/sai/modules/saimod_sys_error/saimod_sys_error.php
+++ b/sai/modules/saimod_sys_error/saimod_sys_error.php
@@ -4,24 +4,57 @@ namespace SYSTEM\SAI;
 
 
 class saimod_sys_error extends \SYSTEM\SAI\SaiModule {    
-    public static function truncate_sys_log(){
+    
+    private static function truncate_syslog(){
         if(\SYSTEM\SECURITY\Security::check(\SYSTEM\system::getSystemDBInfo(), \SYSTEM\SECURITY\RIGHTS::SYS_SAI)){
             $con = new \SYSTEM\DB\Connection(\SYSTEM\system::getSystemDBInfo());
             $res = $con->query('TRUNCATE system.sys_log;');
-
             return true;
         }else{
             return false;
+        }   
+    }
+    
+    
+    private static function build_table($filter){
+        
+        $con = new \SYSTEM\DB\Connection(\SYSTEM\system::getSystemDBInfo());
+        $res = $con->query('SELECT * FROM system.sys_log ORDER BY time DESC LIMIT 100;');
+        
+        $now = microtime(true);
+        
+        $result =   '<div id="table-wrapper"><table class="table table-hover table-condensed" style="overflow: auto;">'.                    
+                    '<tr>'.'<th>'.'time ago in sec'.'</th>'.'<th>'.'time'.'</th>'.'<th>'.'class'.'</th>'.'<th>'.'message'.'</th>'.'<th>'.'code'.'</th>'.'<th>'.'file'.'</th>'.'<th>'.'line'.'</th>'.'<th>'.'ip'.'</th>'.'<th>'.'querytime'.'</tr>';
+        while($r = $res->next()){
+            
+            if($filter !== NULL && $filter !== 'all'){
+                if(self::tablerow_class($r['class']) === $filter){
+                    $result .= '<tr class="'.self::tablerow_class($r['class']).'">'.'<td>'.(int)($now - strtotime($r['time'])).'</td>'.'<td>'.$r['time'].'</td>'.'<td>'.$r['class'].'</td>'.'<td>'.$r['message'].'</td>'.'<td>'.$r['code'].'</td>'.'<td>'.$r['file'].'</td>'.'<td>'.$r['line'].'</td>'.'<td>'.$r['ip'].'</td>'.'<td>'.$r['querytime'].'</tr>';
+                }
+            }else{
+                $result .= '<tr class="'.self::tablerow_class($r['class']).'">'.'<td>'.(int)($now - strtotime($r['time'])).'</td>'.'<td>'.$r['time'].'</td>'.'<td>'.$r['class'].'</td>'.'<td>'.$r['message'].'</td>'.'<td>'.$r['code'].'</td>'.'<td>'.$r['file'].'</td>'.'<td>'.$r['line'].'</td>'.'<td>'.$r['ip'].'</td>'.'<td>'.$r['querytime'].'</tr>';
+            }
         }
+        $result .= '</table></div>';
+        
+        return $result;
+        
     }
     
     
     public static function html_content(){
-        $con = new \SYSTEM\DB\Connection(\SYSTEM\system::getSystemDBInfo());
-        $res = $con->query('SELECT * FROM system.sys_log ORDER BY time DESC LIMIT 100;');
         
         
-        $now = microtime(true);
+        if( isset($_GET['truncate'])){
+            return self::truncate_syslog();
+        }
+                
+        if( isset($_GET['filter_error'])){
+            return self::build_table($_GET['filter_error']);
+        }else{
+            $filter = NULL;
+        }
+        
         
         $result = '<div id="truncate_modal" class="modal hide fade">
                     <div class="modal-header">
@@ -31,23 +64,28 @@ class saimod_sys_error extends \SYSTEM\SAI\SaiModule {
                     <div class="modal-body">
                       <p>This action will delete all error messages from databse. <br />
                          Are you sure?</p>
+                      <span id="info_box" />
                     </div>
                     <div class="modal-footer">
                       <a href="#" class="btn" data-dismiss="modal">Cancel</a>
                       <a href="#" class="btn btn-danger" id="truncate_table">Yes, delete all!</a>
                     </div>
                   </div>            
-                  <button href="#refresh_error_table" class="btn" style="height: 32px; font-size: 13px;">Refresh</button>
+                  <button id="refresh_error_table" class="btn" style="height: 32px; font-size: 13px;">Refresh</button>
+                  <img id="loader" src="dasense/page/default_developer/img/ajax-loader.gif" style="margin-left: 10px; display: none;"/>
+                  <div id="filter-error" class="btn-group" style="left: 60px;">
+                    <button class="btn active" href="#" id="all">All</button>
+                    <button class="btn" href="#" id="error">Error</button>
+                    <button class="btn" href="#" id="warning">Warning</button>
+                    <button class="btn" href="#" id="success">Info</button>
+                    <button class="btn" href="#" id="info">Deprecated</button>
+                  </diV>
                   <button data-toggle="modal" href="#truncate_modal" class="btn" style="height: 32px; font-size: 13px; float: right;">Truncate Table</button>
-                  <img id="loader" src="dasense/page/default_developer/img/ajax-loader.gif" style="margin-left: 10px;">
                   <br /><br />';
         
-        $result .=   '<table class="table table-hover table-condensed" style="overflow: auto;">'.                    
-                    '<tr>'.'<th>'.'time ago in sec'.'</th>'.'<th>'.'time'.'</th>'.'<th>'.'class'.'</th>'.'<th>'.'message'.'</th>'.'<th>'.'code'.'</th>'.'<th>'.'file'.'</th>'.'<th>'.'line'.'</th>'.'<th>'.'ip'.'</th>'.'<th>'.'querytime'.'</tr>';
-        while($r = $res->next()){
-            $result .= '<tr class="'.self::tablerow_class($r['class']).'">'.'<td>'.(int)($now - strtotime($r['time'])).'</td>'.'<td>'.$r['time'].'</td>'.'<td>'.$r['class'].'</td>'.'<td>'.$r['message'].'</td>'.'<td>'.$r['code'].'</td>'.'<td>'.$r['file'].'</td>'.'<td>'.$r['line'].'</td>'.'<td>'.$r['ip'].'</td>'.'<td>'.$r['querytime'].'</tr>';
-        }
-        $result .= '</table>';
+        
+        $result .= self::build_table($filter);
+        
         return $result;
         
     }
diff --git a/sai/modules/saimod_sys_login/saimod_sys_login.php b/sai/modules/saimod_sys_login/saimod_sys_login.php
index 6828787..4f77ec6 100644
--- a/sai/modules/saimod_sys_login/saimod_sys_login.php
+++ b/sai/modules/saimod_sys_login/saimod_sys_login.php
@@ -5,10 +5,12 @@ namespace SYSTEM\SAI;
 class saimod_sys_login extends \SYSTEM\SAI\SaiModule {    
     public static function html_content(){
         
+       /* 
         if( isset($_POST['username']) && isset($_POST['password']) &&                            
             \SYSTEM\SECURITY\Security::login(\SYSTEM\system::getSystemDBInfo(), $_POST['username'], sha1($_POST['password']), md5($_POST['password']))){            
             return \SYSTEM\PAGE\replace::replaceFile(\SYSTEM\WEBPATH(new \SYSTEM\PSAI(),'modules/saimod_sys_login/login_success.tpl'), array());}            
-                    
+         */           
+        
         $vars = array();    
         $vars['login'] = 'Login';
         $vars['logout'] = 'Logout';