function fenster(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function kostenfenster(theURL,winName,features) {
 var externesfenster = window.open('mpu_fenster/mpu_kostensaetze.html','ks','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=446,height=385,top=0,left=0,screenX=0, screenY=0');
  if (externesfenster) externesfenster.focus();
  return (externesfenster) ? false : true;
}

//anzeige im hauptfenster und fokusierung
 function wechsel(zielseite){
	if(opener){
	opener.location.href = zielseite;
	opener.focus();
	}
}

//anezeige im hauptfenster ohne fokusierung
function openeranzeige(URL){
opener.location.href=URL;
return;
}

 function feldertesten() {   
   	with (document.Formular) {
      		if (
		Name.value=="" || 
		Street_Address.value=="" || 
		City.value=="" || 
		Zip_Code.value=="" || 
		Country.value=="" || 
		Telephone.value=="" || 
		E_mail.value=="" || 
		Birth_Country.value=="" || 
		Date_of_Birth.value=="" || 
		gender.value=="" || 
		Education.value=="" || 
		Degrees_Granted.value=="" || 
		name_of_College.value=="" || 
		Work.value=="" || 
		Teaching.value=="" || 
		languages.value=="" || 
		English.value=="" || 
		plans.value=="" || 
		Course_Location_1.value=="-none-" || 
		How_found_us.value=="" || 
		emergency_contact.value=="" || 
		housing.value=="" || 
		medical.value=="" ||
		Agree_terms.checked == false
      		) {
			alert(" \n Please fill in all the fields \n");
			return false;
      		}
	}
 	return true;
  }