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);