--- a/develop/classes/basemodel.php	Mon Feb 09 18:59:24 2015 +0100
+++ b/develop/classes/basemodel.php	Tue Feb 10 16:20:29 2015 +0100
@@ -2,7 +2,7 @@
 
 abstract class BaseModel {
 	// protected $database;
-    protected $systemNAME; 
+    protected $systemNAME, $topic; 
 
 	public function __construct() {
         global $mysql_database, $mysql_server, $mysql_user, $mysql_password, $systemNAME;
@@ -23,6 +23,7 @@
 
             die ('Can\'t use foo : ' . mysql_error());
         }
+        $this->topic = 1;   // set the default topic to person (人物)
 	}
     
     protected function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") {
@@ -88,6 +89,15 @@
         return $result;
     }
 
+    protected function GetTopiclist() {
+        $query = sprintf("SELECT * FROM `topics`");
+        $result = mysql_query($query);
+        if (!$result) {
+            return json_encode("Failed during selecting topics table.");
+        }
+        return $result;
+    }
+
 
         
 }