function fChange(x){
	if(x.value == 'yes'){
		document.getElementById('fOld').style.display = 'none';
		document.getElementById('fNew').style.display = 'block';
		x.value = 'no';
	}
	else{
		document.getElementById('fOld').style.display = 'block';
		document.getElementById('fNew').style.display = 'none';
		x.value = 'yes';
	}
}