Some Cool Firefox Tricks

Some Cool Firefox Tricks That Might Make You Crazy!!
TYPE
* chrome://browser/content/browser.xul :: Opens another Firefox inside a tab in the the existing Firefox window.
* chrome://browser/content/preferences/preferences.xul :: Opens the Options dialog box inside the Firefox tab.
* chrome://browser/content/bookmarks/bookmarksPanel.xul :: Opens the ?Book Marks Manager? inside a tab in the Firefox window.
* chrome://browser/content/history/history-panel.xul :: Opens the History Panel in the Firefox tab.
* chrome://mozapps/content/extensions/extensions.xul?type=extensions :: Opens the Extensions window in the current tab.
* chrome://browser/content/preferences/cookies.xul :: Opens the ?cookies window? inside a tab in the Firefox window.
* chrome://browser/content/preferences/sanitize.xul :: Opens the ?Clear Private Data? window inside the current tab.
* chrome://browser/content/aboutDialog.xul :: Opens the ?About Firefox? Dialog box inside the tab.
* chrome://browser/content/credits.xhtml :: A scrolling list of names. The one?s who we must thank for creating Firefox

And My favorite ;)
* chrome://global/content/alerts/alert.xul :: Dancing Firefox.

These were firefox tricks, i knew,Do try them.