Lost my 'Avast Site Blocking' tool

Can anyone help find the site blocking page please. The homepage OR Avast Control Panel has changed. I used to click ‘Security’ then ‘Tools’ then ‘Site Blocking’ etc., but the new ‘Tools’ page no longer has ‘Site Blocking’ Thanks in anticipation.

This is the old format, you may recall
http://www.youtube.com/watch?v=dJKwrhMuv60

it is still here in avast 9.
setting>active protection>web shield setting>site blocking>

Thanks Ank, I’ve now got it working

welcome