function checklocation( )
{
  var re=/^http(s?):\/\/([^\/]+)\/(.*)$/;
  var a=re.exec(top.location.href);

  if( a.length==4 )
  {
    //var secure=a[1];
    var host=a[2];
    var path=a[3];

    if( ( path!='volvo/' &&
          path!='volvo/index.html' &&
          path!='volvo' ) ||
        ( host!='www.northlodge.org' ) )
    {
      top.location.href='http://www.northlodge.org/volvo/';
    }
  }
}

function medsize( fn, wid )
{
  window.open(
    fn,
    wid.replace('-',''),
    "toolbar=0,location=0,status=0,menubar=0,scrollbars=1,width=610,height=570"
  );
}