1.”chrome://browser/content/browser.xul”(without quotes)-It Opens Firefox inside the existing Firefox window.
2.”chrome://browser/content/preferences/preferences.xul”(without quotes)-It Opens the Options dialog box inside the Firefox.
3.”chrome://browser/content/bookmarks/bookmarksPanel.xul”(without quotes)-It Opens the Book Marks Manager inside the Firefox window.
4.”chrome://browser/content/history/history-panel.xul”(without quotes)-It Opens the History of web inside the Firefox tab.
5.”chrome://mozapps/content/extensions/extensions.xul?type=extensions”(without quotes)-It Opens the Extensions window in the current tab.
6.”chrome://browser/content/preferences/cookies.xul”(without quotes)-It shows the “cookies window” inside the Firefox window.
7.”chrome://browser/content/preferences/sanitize.xul”(without quotes)-It shows the “Clear Private Data” window inside the current tab.
Note: Do not delete the data if you don't want to loose your history or cookies……
8.”chrome://browser/content/aboutDialog.xul”(without quotes)-It Opens the “about firefox” Dialog box inside the window.
9.”chrome://browser/content/credits.xhtml”(without quotes)-IT shows the list of the fathers of the firefox(who build the firefox)
10.”chrome://global/content/alerts/alert.xul”-It shows the naughty Firefox.