////////////////////////////////////////////////////
//This file is for common form validation functions
////////////////////////////////////////////////////

/*
** This is for forms with only one required text field.
**
** Check to see if the text field is, for practical purposes, empty.
** The return value is false if only empty space is found in field.
*/
function isFieldFilled( e ) {
  retval = true;

  //check for null
  //check for ""
  if (e.value == null || e.value == "") {
    retval = false;
  }

  //check for only white space
  if ( e.value.match(/^\s+$/) ) {
    retval = false;
  }

  if (! retval) 
    alert("The required field was left blank.\nPlease fill in the field to submit the form.\n\nThank you.");  
  
  return retval;
}