Things to look for while changing to a new company

Things to look for while changing to a new company -

1) flexi-times
2) Internet access permitted?
3) Dress code
4) Canteen
5) Other facilities, like Gym etc.
6) On-site oppertunities
7) working in telecom domain?

Also ask about:
1) company hierarchy
2) scope of growth
3) Appraisal system