function emptyBox(fieldName, fieldText) {
	if (document.getElementById(fieldName).value != fieldText) {
  	return;
  }
  else {
		document.getElementById(fieldName).value = "";
  }
}

function fillBox(fieldName, fieldText) {
	if (document.getElementById(fieldName).value != "") {
		return;
	}
	else {
		document.getElementById(fieldName).value = fieldText;
	}
}