gXMLBuffer ="<?xml version='1.0' encoding='utf-8' ?>  <indexdata>  <key name=\"INVITE messages\" >    <topic name=\"Configure SIP Trunking\" url=\"tug/configure_sip_trunking.htm\" />  </key>  <key name=\"Invite, Subscribe\" >    <topic name=\"Add or Edit SIP Devices\" url=\"tug/add_or_edit_sip_devices.htm\" />    <topic name=\"Update Configuration Settings\" url=\"tug/configure_advanced_settings.htm\" />  </key>  <key name=\"IOS\" >    <topic name=\"About Web Real-Time Communication\" url=\"tug/about_web_real-time_communication.htm\" />  </key>    </indexdata>";