Wireless connection keeps disconnecting

I have a macbook OSX etc...i'm on a BT wireless home hub...it was working fine till about 2 weeks ago..now the connection lasts for maybe 5 mins if I'm lucky before it disconnects and I have to enter my password etc...very annoying...
is it my mac or is it BT?
thanks,
C23

Coles Cross,
Thought you may have been boosting a WiFi signal with the router. With you plugging into the router yours would be closer to the router so you wouldn't be having the problems I'm having. What I can't understand is that I'm on one of he first Intel iMacs and the web browsing is fine. The new MacBook, sometimes it works and sometimes it doesn't. I can run network diagnostics and it says I have the connection but, the browser just sits there or takes forever to load. I usually just give up on it. I go back to my iMac and all works fine. If you or anyone would know what the difference could be, I'd appreciate it.
Oh, I have ran repair permissions program and all seems fine except each time it will have about 10 lines that all say the same thing about an iChat icon not being what it expected. Don't know if that's anything to do with it or not.
This is what is says each time:
Repairing permissions for “McBook”
Permissions differ on "System/Library/PrivateFrameworks/GraphicsAppSupport.framework/Versions/A/Frame works/QuartzComposer.framework", should be lrwxr-xr-x , they are drwxr-xr-x .
Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent" has been modified and will not be repaired.
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Flags".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Flowers".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Fruit".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Fung Shui".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Funk Animals".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Gems".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Hollowbody Guitars".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Planets".
ACL found but not expected on "Library/Application Support/Apple/iChat Icons/Tribal Masks".
Permissions repair complete
Thanks for any help you may be able to give,
Barry

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