Bookmark Multiple Tabs library for Firefox 2 or later

Usage:

chrome.manifest

overlay  chrome://browser/content/browser.xul
         chrome://***/content/bookmarkMultipleTabs.xul
overlay  chrome://browser/content/places/bookmarkProperties.xul
         chrome://***/content/bookmarkMultipleTabs_bookmarkPropertiesOverlay.xul
overlay  chrome://browser/content/places/bookmarkProperties2.xul
         chrome://***/content/bookmarkMultipleTabs_bookmarkPropertiesOverlay.xul

JS files

window['piro.sakura.ne.jp']
  .bookmarkMultipleTabs
  .addBookmarkFor(tabsArray, folderName);