diff --git a/backup/mod/resource/backuplib.php b/backup/mod/resource/backuplib.php
new file mode 100644
index 00000000000..ffb070081f6
--- /dev/null
+++ b/backup/mod/resource/backuplib.php
@@ -0,0 +1,53 @@
+<?PHP //$Id$
+    //This php script contains all the stuff to backup/restore
+    //resource mods
+
+    //This is the "graphical" structure of the resource mod:
+    //
+    //                     resource                                      
+    //                 (CL,pk->id,files)
+    //
+    // Meaning: pk->primary key field of the table
+    //          fk->foreign key to link with parent
+    //          nt->nested field (recursive data)
+    //          CL->course level info
+    //          UL->user level info
+    //          files->table may have files)
+    //
+    //-----------------------------------------------------------
+
+    function resource_backup_mods($course,$user_data=false) {
+        print "hola";
+    }
+   
+   ////Return an array of info (name,value)
+   function resource_check_backup_mods($course,$user_data=false) {
+        //First the course data
+        $info[0][0] = get_string("modulenameplural","resource");
+        if ($ids = choice_ids ($course)) {
+            $info[0][1] = count($ids);
+        } else {
+            $info[0][1] = 0;
+        }
+
+        return $info;
+    }
+
+
+
+
+
+
+    // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE
+
+    //Returns an array of resources id
+    function resources_ids ($course) {
+
+        global $CFG;
+
+        return get_records_sql ("SELECT a.id, a.course
+                                 FROM {$CFG->prefix}resource a
+                                 WHERE a.course = '$course'");
+    }
+   
+?>