Set browser to full screen

Hello,

 

I am trying to create a examiantion system web based using asp.net c# and i want when student started the exam  the browser set to full screen so he can not see the tabs and url entering section of browser or any other controls of browser, just as pressing "f11" key  of our keyboard.

 

how can i do this?

 

Please guide me.......

 

Thank You