sub menu added

just add 
class="add-menu"
to the div with the impress id and the menu will appear

example:
<div id="impress" class="add-menu">
![submenu](https://f.cloud.github.com/assets/2688676/627189/df3a6f3e-d006-11e2-85cb-a216cfbe4ee9.png)

the sub menu includes
a beautiful progress bar and two arrows for mouse clicking forward and back