Index: /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js
===================================================================
--- /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js	(revision 830)
+++ /FCKeditor/trunk/editor/_source/classes/fckeditingarea.js	(revision 831)
@@ -47,5 +47,5 @@
 	// Remove all child nodes from the target.
 	var oChild ;
-	while( oChild = eTargetElement.firstChild )		// Only one "=".
+	while( ( oChild = eTargetElement.firstChild ) )		// Only one "=".
 	{
 		// Set innerHTML = '' to avoid memory leak.
Index: /FCKeditor/trunk/editor/_source/commandclasses/fckjustifycommands.js
===================================================================
--- /FCKeditor/trunk/editor/_source/commandclasses/fckjustifycommands.js	(revision 830)
+++ /FCKeditor/trunk/editor/_source/commandclasses/fckjustifycommands.js	(revision 831)
@@ -45,4 +45,5 @@
 				return FCKConfig.JustifyFullClass ;
 		}
+		return null ;
 	} )() ;