function loadFrame(frameName)
{
  var mainFrameURL = location.search.substring(1); 
  if (mainFrameURL != '') {
    eval(frameName + '.location = "' + mainFrameURL + '";');
  }
}

function loadFrameSet(frameSetURL, currentPageURL)
{
  if (parent.location == location) {
    location = frameSetURL + "?" + currentPageURL;
  }
}