rem: url = prefs.CopyCharPref("sidebar.customize.more_panels.url"); 
add: url = prefs.CopyCharPref("sidebar.customize.directory.url"); 
context: function BrowseMorePanels(){  var url = '';  var browser_url = "chrome://navigator/content/navigator.xul";  var prefs = Components.classes['@mozilla.org/preferences;1'];  if (prefs) {    prefs = prefs.getService();  }  if (prefs) {    prefs = prefs.QueryInterface(Components.interfaces.nsIPref);  }  if (prefs) {    var locale;    try {      url = prefs.CopyCharPref("sidebar.customize.more_panels.url");      var temp = prefs.CopyCharPref("browser.chromeURL");      if (temp) browser_url = temp;    } catch(ex) {      debug("Unable to get prefs: "+ex);    }  }  window.openDialog(browser_url, "_blank", "chrome,all,dialog=no", url);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/52daf33f3cddb57d8c5b5455e4ccdd3019258622/sidebarOverlay.js/clean/suite/common/sidebar/sidebarOverlay.js