var iHeight = 0;
  var iWidth  = 0;

  window.onresize = function()
  {
    if (window.innerHeight)
    {
      iHeight = window.innerHeight;
      iWidth  = window.innerWidth;
      fNav    = window.frames[nav_frame_name].innerWidth;
      fTop    = window.frames[top_frame_name].innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
    {
      iHeight = document.documentElement.clientHeight;
      iWidth  = document.documentElement.clientWidth;
    }
    else if (document.body)
    {
      iHeight = document.body.clientHeight;
      iWidth  = document.body.clientWidth;
    }
    else
      doResize = false;

    if (doResize)
    {
      var nav_url = window.frames[nav_frame_name].location.href;
      var new_url = 'http://www.px24.com/main.asp?pp=250440&wmid=600009422&lang=en';

      var reg = /.*&lang=([^&]*)/;
      var match = reg.exec(nav_url);
      if (match != null)
      {
        new_url = new_url + '&lang=' + match[1];
      }

      window.frames[main_frame_name].location.href = new_url + '&' + iWidth + '_' + iHeight + '_' + fNav + '_' + fTop;
    }
  }