Topic: some simpleviewer design help please

hi, my problem is the next one:
i want to pass a drop down menu, one i saw in this site
to the center right of the viewer page.
I'll give an example:
picture showin what i need
site code

Also i would like that the sub-menus started to open for the left side.

I leave this order of aid here after many hours to beat with the head in the code and many research for the way, but without success none.  :(  :?  :x

PS: Sorry my bad english