function windowThere(theURL,winName,features) {
	if (top.opener && !top.opener.closed) {
		top.opener.location.href = theURL;
	} else {
	if (window.winName) {
			//change href of {winName}
			winName.location.href = theURL;
		} else {
			PopWin(theURL,winName,features);
		}
	}
}
/* heres the href to use...
<a href="javascript:windowThere('/over60s/','popWindow','titlebar=1,status=1,toolbar=1,location=1,scrollbars=1,resizable=yes,menubar=yes');">test</a>
*/

// submit the form to the specified page
function goToPage( pageUrl ) {
  // the form object that will be used
  var form_object = document.kidsform;

  validation_success = validate_form( form_object );
  if ( validation_success ) {
    form_object.action = pageUrl;
    form_object.submit();
  } else {
    window.alert( 'Sorry, you did not complete the form correctly' );
  }
}

function PopWin( theURL, winName, features ) {
  window.open( theURL, winName, features );
}

function PopW(theURL,winName,features) { 
	window.close();
	window.open(theURL,winName,features); 
}

// required_elements contains the names of elements that have to be
// filled in before the form can be submitted 
required_elements = new Array();

// check_format_elements contains the names and formats of elements
// that have to be filled in with the correct format before
// the form can be submitted 
check_format_elements = new Array();

// add an element to the required_elements array
function add_required_element( element_name ) {
  required_elements[ required_elements.length ] = element_name; 
}

// add an element to the check_format_elements array
function add_check_format_element( element_name, element_format ) {
  element_to_format = new Array( element_name, element_format )
  check_format_elements[ check_format_elements.length ] = element_to_format;
}

/**
 * returns true if all the required elements are filled in and all
 * the formated elements have the right format. otherwise returns false.
 */
function validate_form() {
  var form_is_valid = true;
  for ( i = 0; i < required_elements.length; i++ ) {
    elements = document.getElementsByName( required_elements[ i ] );
	if (getRadio(required_elements[i])){
		//alert('k');
	} else {
		var form_is_valid = false;
	}
  }
  return form_is_valid;
}


/**
 * returns true if the required element is filled in, false otherwise
 */
function validate_required_element(name, type, format) {
  // TODO: implement
  //alert(name + ', ' + type + ', ' + format);
  return true;
}

/**
 * returns true if the formatted element is filled in with the correct
 * format, false otherwise.
 * note: it will return true if the element
 * is not filled in at all. this is so that optional elements can be
 * tested for formatting.
 */
function validate_formatted_element() {
  // TODO: implement
  return true;
}

function saveResult() {
  goToPage( 'save_to_myplan.php' );
}

function getRadio(grpName) { 
	var grp, rad, r = 0; 
	grp = (typeof grpName == 'string') ? document.kidsform[grpName] : grpName; 
	while (rad = grp[r++]) if (rad.checked) return rad.value; 
	return ''; 
}