rem: this.openGroupBookmark(aSelection.item[i].Value, aTargetBrowser); 
add: this.openGroupBookmark(aSelection.item[i].Value, aTargetBrowser, aEvent); 
context:   openBookmark: function (aSelection, aTargetBrowser, aDS)   {    if (!aTargetBrowser)      return;    for (var i=0; i<aSelection.length; ++i) {      var type = aSelection.type[i];      if (type == "Bookmark" || type == "")        this.openOneBookmark(aSelection.item[i].Value, aTargetBrowser, aDS);      else if (type == "FolderGroup" || type == "Folder" || type == "PersonalToolbarFolder")        this.openGroupBookmark(aSelection.item[i].Value, aTargetBrowser);    }  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4f35327af22fb2f55d166ef742116d9b55e9f1bc/bookmarks.js/buggy/xpfe/components/bookmarks/resources/bookmarks.js