function bearbeiten(elementname) {
   	document.f1.elements[elementname].style.backgroundColor = '#FFFFFF';
	document.f1.elements[elementname].style.color = '#000000'; 
}

function fertig(elementname) {
   	document.f1.elements[elementname].style.backgroundColor = '#FFFFFF';
	document.f1.elements[elementname].style.color = '#000000'; 
}