Safari get crash while using facebook

[mdhole]

Hello friends,
Im using jailbreak 3gs with ios 4.1. From last two months whenever im trying to acces facebook into safari , it get crash before loading a complet page and every other page is working perfectly. Please help me in this issue. And also i have to upgrade my ios can it will be possible for me please give me suggetion. Thanku all

 

[willerz2]

Most likely an iOS version