Hi, here are answers on your questions:
1. yes -> let me know from which one - but it will be better if you give me proper description of requirments
2. PHP + MySQL with usage of Nette framework + JQuery
3. as in bid up to 30days
4. as in bid 2000EUR
5. I have small company so me or one of my employee can help you in future with upgrades etc.
Best regards
Peter