diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index c299e5858..3c0e050f3 100755
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -1074,12 +1074,12 @@ class G
     public static function streamFile ($file, $download = false, $downloadFileName = '')
     {
         G::LoadSystem('inputfilter');
-		$filter = new InputFilter();
-		$file = $filter->xssFilterHard($file);
-		if(isset($_SERVER['REQUEST_URI'])) {
+        $filter = new InputFilter();
+        $file = $filter->xssFilterHard($file);
+        if(isset($_SERVER['REQUEST_URI'])) {
             $_SERVER['REQUEST_URI'] = $filter->xssFilterHard($_SERVER['REQUEST_URI'],"url");
         }
-		require_once (PATH_THIRDPARTY . 'jsmin/jsmin.php');
+        require_once (PATH_THIRDPARTY . 'jsmin/jsmin.php');
         $folderarray = explode( '/', $file );
         $typearray = explode( '.', basename( $file ) );
         $typefile = $typearray[count( $typearray ) - 1];
@@ -1088,10 +1088,10 @@ class G
         //trick to generate the translation.language.js file , merging two files
         if (strtolower( $typefile ) == 'js' && $typearray[0] == 'translation') {
             $download = $filter->xssFilterHard($download);
-			$downloadFileName = $filter->xssFilterHard($downloadFileName);
-			G::sendHeaders( $filename, 'text/javascript', $download, $downloadFileName );
+            $downloadFileName = $filter->xssFilterHard($downloadFileName);
+            G::sendHeaders( $filename, 'text/javascript', $download, $downloadFileName );
             $output = G::streamJSTranslationFile( $filename, $typearray[1] );
-			$output = $filter->xssFilterHard($output);
+            $output = $filter->xssFilterHard($output);
             print $output;
             return;
         }
@@ -1100,7 +1100,7 @@ class G
         if (strtolower( $typefile ) == 'css' && $folderarray[count( $folderarray ) - 2] == 'css') {
             G::sendHeaders( $filename, 'text/css', $download, $downloadFileName );
             $output = G::streamCSSBigFile( $typearray[0] );
-			$output = $filter->xssFilterHard($output);
+            $output = $filter->xssFilterHard($output);
             print $output;
             return;
         }
@@ -3151,9 +3151,9 @@ class G
     public function pr ($var)
     {
         G::LoadSystem('inputfilter');
-		$filter = new InputFilter();
-		$var = $filter->xssFilterHard($var);
-		print ("<pre>") ;
+        $filter = new InputFilter();
+        $var = $filter->xssFilterHard($var);
+        print ("<pre>") ;
         print_r( $var );
         print ("</pre>") ;
     }