var hyplink='';
  checklink=location.search.indexOf("link");
  if (checklink != -1)
	{
	laenge=location.search.length;
	hyplink=location.search.substring(checklink+5, laenge);
	}
  var frameName = 'navi';
  if(parent.frames[frameName] && hyplink =="change"){
    var navigationUrl = parent.frames[frameName].location.href;
      navigationUrl = navigationUrl.replace(/navid=[^=]*/, '');
	  navigationUrl = navigationUrl.replace(/navanchor=[^=]*/, '');
	  navigationUrl = navigationUrl.replace(/navurl=[^=]*/, '');
      navigationUrl = navigationUrl.replace(/&navurl=[^=]*/, '');
	  navigationUrl += 'navurl=' + window.location.pathname;
      parent.frames[frameName].location.href = navigationUrl;
    }