diff --git a/.gitignore b/.gitignore
index 187adb2..15aeb71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
-/nbproject/
\ No newline at end of file
+/nbproject/
+/.settings/
+/.buildpath
+/.project
diff --git a/lib.php b/lib.php
index 8c69193..69cb858 100644
--- a/lib.php
+++ b/lib.php
@@ -122,7 +122,7 @@ function tab_add_instance($tab)
             $value = trim($value);
             if (isset($value) && $value <> '')
             {
-                $option = new object();
+                $option = new stdClass();
                 $option->tabname = $value;
                 $option->tabid = $tab->id;
 
@@ -153,7 +153,7 @@ function tab_add_instance($tab)
                     $draftitemid = $tab->content[$key]['itemid'];
                     if ($draftitemid)
                     {
-                        $tabcontentupdate = new object();
+                        $tabcontentupdate = new stdClass();
                         $tabcontentupdate->id = $newtab_content_id;
                         $tabcontentupdate->tabcontent = file_save_draft_area_files($draftitemid, $context->id, 'mod_tab', 'content', $newtab_content_id, $editoroptions, $tab->content[$key]['text']);
                         $DB->update_record('tab_content', $tabcontentupdate);
@@ -204,7 +204,7 @@ function tab_update_instance($tab)
 
 
         $value = trim($value);
-        $option = new object();
+        $option = new stdClass();
         $option->tabname = $value;
         $option->tabcontentorder = $tab->tabcontentorder[$key];
         $option->externalurl = $tab->externalurl[$key];
@@ -245,7 +245,7 @@ function tab_update_instance($tab)
                     $draftitemid = $tab->content[$key]['itemid'];
                     if ($draftitemid)
                     {
-                        $tabcontentupdate = new object();
+                        $tabcontentupdate = new stdClass();
                         $tabcontentupdate->id = $newtab_content_id;
                         $tabcontentupdate->tabcontent = file_save_draft_area_files($draftitemid, $context->id, 'mod_tab', 'content', $newtab_content_id, $editoroptions, $tab->content[$key]['text']);
                         $DB->update_record('tab_content', $tabcontentupdate);
diff --git a/locallib.php b/locallib.php
index 62d0c34..e34ec44 100644
--- a/locallib.php
+++ b/locallib.php
@@ -171,7 +171,7 @@ function tab_embed_general($fullurl, $title, $clicktoopen, $mimetype)
     // IE can not embed stuff properly if stored on different server
     // that is why we use iframe instead, unfortunately this tag does not validate
     // in xhtml strict mode
-    if ($mimetype === 'text/html' and check_browser_version('MSIE', 5))
+    if ($mimetype === 'text/html' and core_useragent::check_browser_version('MSIE', 5))
     {
         if (preg_match('(^https?://[^/]*)', $fullurl, $matches))
         {