Whenever Firefox detects your Internet connection has gone off, it automatically switches to Offline mode,
For some webdesigners out there, like me, the two clicks it takes to put it back online when you are working on localhost becomes a headache. To solve this...

For Firefox 3
1. in the address bar, type and press enter
2. in the search bar that appears, find
3. set it to false, and your done.

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What would you attempt to do if you knew you couldn't fail?