control tagTree expand and collapse

[时茂 朱]

hi，
   How can I use controller to control the tagTree expand and collapse .
The tagTree is in the jsp page.
 
thanks

                
---------------------------------
抢注雅虎免费邮箱-3.5G容量，20M附件！ 

--- Begin Message ---

hi，
   How can I use controller to control the tagTree expands and collapses .
The tagTree is in the jsp page.
 
thanks
                
---------------------------------
抢注雅虎免费邮箱-3.5G容量，20M附件！ 

--- End Message ---