This is Mozilla Firefox Mouse Tips Hints, for you who like see other firefox tips and trick get it here.

Middle Click
Note: Two-button mouse

For those without middle mouse buttons or mousewheels, ctrl-click will also open new tabs for links, bookmarks, bookmark folders, history items, and toolbar buttons.
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This is the 2nd part of mozilla firefox tips trick

Tip: Drag any link to the Download Manager Window to add & download the link

Tip: Pressing ctrl+enter will add h**p://www. before and .com after the text in the toolbar and load the resulting url. Similarly, shift+enter will add h**p://www. and .net, and ctrl+shift+enter will add h**p://www. and .org

Tip: You can work offline like in IE by clicking File>Work Offline. This means that you can browse your previously visited pages even when you’re offline.
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