gtk_notebook_set_scrollable ?

[rings <rings etang com>]

 Hi all:
   I have soem questions about gtknotebook, please help me!
 
 - There are many pages in notebook,if I use these function :
 
    gtk_notebook_set_tab_pos(notebook,GTK_POS_BOTTOM);
    gtk_notebook_set_scrollable(notebook,TRUE);
 
   right_arrow and left_arrow will show on the right. Now,I would like to show them on  left.How can I do?

  thank you.

rings