function fwShowHideElementById(id, show) {
	if (!document.getElementById) {
		return;
	}
	if (null == id) {
		return;
	}
	if (null == show) {
		show = true;
	}

	var element = document.getElementById(id);
	if (null == element) {
		return;
	}

	if (show) {
		element.style.display = '';
	} else {
		element.style.display = 'none';
	}
}

function fwShowHideElementByIdAlternately(id) {
	if (!document.getElementById) {
		return;
	}
	if (null == id) {
		return;
	}

	var element = document.getElementById(id);
	if (null == element) {
		return;
	}

	if ('none' == element.style.display) {
		element.style.display = '';
	} else {
		element.style.display = 'none';
	}
}

// Start: fwFormSubmitCheck

var fwFormSubmitted = false;
function fwFormSubmitCheck() {
  if (fwFormSubmitted) {
	  return false;
  }

  fwFormSubmitted = true;
  return true;
}

var fwForm2Submitted = false;
function fwForm2SubmitCheck() {
  if (fwForm2Submitted) {
	  return false;
  }

  fwForm2Submitted = true;
  return true;
}

var fwForm3Submitted = false;
function fwForm3SubmitCheck() {
  if (fwForm3Submitted) {
	  return false;
  }

  fwForm3Submitted = true;
  return true;
}

// End: fwFormSubmitCheck