   <menu.popup id="headersmenuflt-list">
     <li #fltbymtd>By Method
      <menu>
      <li onclick="tab.headersfilter = 'method:GET'">GET</li>
      <li onclick="tab.headersfilter = 'method:POST'">POST</li>
      <li onclick="tab.headersfilter = 'method:HEAD'">HEAD</li>
      </menu>
     </li>
     <li #fltbywebtype>By Web Type
      <menu>
      <li onclick="tab.headersfilter = 'type:htm|css|javascript|json|xml ext:htm|css|js|xml'">All Web Types</li>
      <hr/>
      <li onclick="tab.headersfilter = 't