how transform firefox 2 congruous extensions controlling iframe firefox 3?

i am perplexing transform tradition firefox progression i combined tasks during work. fundamentally sidebar pulls adult the webpages an iframe several purposes. relocating firefox 3 iframe won't seem during all.

below an instance xul files contains progression specific formula including iframe, now only an try bucket google nonetheless it won't work anything. i can't any plead online changes ff3 means this. any suggestions appreciated.

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://customsidebar/skin/customsidebar.css" type="text/css"?>

<overlay id="customsidebar-main" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/x-javascript" src="chrome://customsidebar/content/customsidebar.js"/>

  <vbox flex="1">
    <toolbar>
      <vbox>
        <hbox id="customsidebar_toptoolbarrow">
          <toolbarbutton label="refresh" id="customsidebar_refresh" oncommand="customsidebar_refresh()" />
        </hbox>
        <hbox>
          <label control="customsidebar_statusbox" value="log"/>
          <textbox id="customsidebar_statusbox" multiline="true" rows="1" wrap="off"  />
        </hbox>
      </vbox>
    </toolbar>

    <iframe id="customsidebar_iframe" src="http://www.google.com" />
  </vbox>
</overlay>

here conceal xul file

<?xml version="1.0"?>
<overlay id="customsidebar-overlay"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

    <menupopup id="viewsidebarmenu">
        <menuitem observes="viewcustomsidebar" />
    </menupopup>

  <broadcasterset id="mainbroadcasterset">
    <broadcaster id="viewcustomsidebar"
      autocheck="false"
      label="customsidebar"
      type="checkbox" group="sidebar"
      sidebarurl="chrome://customersidebar/content/customersidebarmain.xul"
      sidebartitle="customsidebar"
      oncommand="togglesidebar('viewcustomsidebar');"/>
  </broadcasterset>

</overlay>