diff --git a/lib/documentmanagement/DocumentLink.inc b/lib/documentmanagement/DocumentLink.inc
index ff908be..95eff0c 100644
--- a/lib/documentmanagement/DocumentLink.inc
+++ b/lib/documentmanagement/DocumentLink.inc
@@ -26,7 +26,7 @@
  * @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
  * @package lib.documentmanagement 
  */
-class DocumentLink {
+class DocumentLink extends KTEntity {
 
 	/** primary key value */
 	var $iId;
@@ -98,77 +98,17 @@ class DocumentLink {
 		$this->iChildDocumentID = $iNewValue;
 	}
 
-	/**
-	* Store the current object in the database
-	*
-	* @return boolean on successful store, false otherwise and set $_SESSION["errorMessage"]
-	*
-	*/
-	function create() {
-		global $default, $lang_err_database, $lang_err_object_exists;
-		//if the object hasn't been created
-		if ($this->iId < 0) {
-            $sTable = $default->document_link_table;
-            $aFieldValues = array(
-                'parent_document_id' => $this->iParentDocumentID,
-                'child_document_id' => $this->iChildDocumentID,
-            );
-            $id =& DBUtil::autoInsert($sTable, $aFieldValues);
-
-            if (PEAR::isError($id)) {
-                $_SESSION["errorMessage"] = $id->toString();
-                return false;
-            }
-            $this->iId = $id;
-            return true;
-		}
-		$_SESSION["errorMessage"] = $lang_err_object_exists."id = ".$this->iId." table = document_fields";
-		return false;
-	}
+    function _fieldValues () {
+        return array(
+            'parent_document_id' => $this->iParentDocumentID,
+            'child_document_id' => $this->iChildDocumentID,
+        );
+    }
 
-	/**
-	* Update the values in the database table with the object's current values
-	*
-	* @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
-	*
-	*/
-	function update() {
-		global $default, $lang_err_database, $lang_err_object_key;
-		//only update if the object has been stored
-		if ($this->iId > 0) {
-			$sql = $default->db;
-			$result = $sql->query("UPDATE $default->document_link_table SET parent_document_id = $this->iParentDocumentID, child_document_id = $this->iChildDocumentID WHERE id = $this->iId");
-			if ($result) {
-				return true;
-			}
-			$_SESSION["errorMessage"] = $lang_err_database;
-			return false;
-		}
-		$_SESSION["errorMessage"] = $lang_err_object_key;
-		return false;
-	}
-
-	/**
-	* Delete the current object from the database
-	*
-	* @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
-	*
-	*/
-	function delete() {
-		global $default, $lang_err_database, $lang_err_object_key;
-		//only delete the object if it exists in the database
-		if ($this->iId >= 0) {
-			$sql = $default->db;
-			$result = $sql->query("DELETE FROM $default->document_link_table WHERE id = $this->iId");
-			if ($result) {
-				return true;
-			}
-			$_SESSION["errorMessage"] = $lang_err_database;
-			return false;
-		}
-		$_SESSION["errorMessage"] = $lang_err_object_key;
-		return false;
-	}
+    function _table () {
+        global $default;
+        return $default->document_link_table;
+    }
 
 	/**
 	* Static function.