how can i add a tool to editor (edit post)

[Terminatoronly]

hi all,
i have installed the plugin hide and it doesnt contain any button in toolbar (i mean the editor in the newthread) so no body knows that its installed but i want it to add a button in the editor for the hide button and when they press on it it will add this code [hide] [/hide] how can i do this please help me i am using vb3.6.4 .