/*
* Name: emptyField(fieldID)
* Desc: empty a text field on click
*/
function emptyField(fieldID) {
	var myField = document.getElementById(fieldID);
	myField.value = "";
}

/*
* Name: refillField(fieldID)
* Desc: refill default text in a text field if not filled in.
*/
function refillField(fieldID, defaulttext) {
   var myField = document.getElementById(fieldID);
   if (myField.value == "") {
      myField.value = defaulttext;
   }
}