function emptyBox(fieldName, fieldText) {
  		if (document.getElementById(fieldName).value != fieldText)
  			{
  			// don't do anything
  			}		
  		else
  			{
  			document.getElementById(fieldName).value = "";
  			}
     	} // end function
	
	function fillBox(fieldName, fieldText) {
		if (document.getElementById(fieldName).value != "")
			{
			// don't do anything
			}			
		else
			{
			document.getElementById(fieldName).value = fieldText;
			} // end if
    } // end function