Hi everybody ! I have iPad 2 wifi +gsm

I have got test for this devices , but i can not enable it on the debug mod.
I do next steps settings -> safari-> advanced-> and i can enable only javascript or web inspector.

http://s020.radikal.ru/i701/1510/4c/06c65734d171.png

How can I enable debug mod ?
Maybe company of developer must registrate my idevices because i given them UDID of my idevices