Side Menu

for what i see you want to insert a sidemenu in a theme and that one you show its not yours (just a example)
try this
http://www.dynamicdrive.com/dynamicindex1/pushmenu.htm
or this
http://www.dynamicdrive.com/dynamicindex...lemenu.htm

atm im developing a theme with that feature and im using one the slide menus above, but both work great and easily costumize with fontaowesome and aconrdion menu inside