How to Open Blocked site if blocked in school or campus

friends usually in organisations and colleges many sites have been blocked such as orkut,movie sites.
and you all try to open it through proxy sites
you get success in it but the service you found through proxy sites is limited.
such as in orkut you can not send scrap only you can view.
no editing is allowed.

i am just giving some information regarding this.
many of you might know but others who dont know about it may try at their PC

first trick is:

1. just open website www.your-freedom.net
2. download the tool available at this site.
3. you will find guide for using this tool.
4. you need mozilla for running this,it may also be run on IE .
now you can surf freely without any restriction.


Second Trick

1. open this website http://www.torproject.org/download.html.en
2. download the tor(you need java to be present on your PC)
3. install it.
4. just look at the user guide preset on the web.