function dropDown(x) // Quellen: http://www.akademie.de; http://www.teamone.de/selfhtml
	{ 
	if(x == "nothing")
      {
      document.forms[0].reset();
      document.forms[0].elements[0].blur();
      return;
      }
    else
      {
      location.href = x;
      document.forms[0].reset();
      document.forms[0].elements[0].blur();
   	  }
     }