function submitRating(formId) 
{ 
    var formId = formId ? formId : 'mediaCommentForm';
	var form = document.getElementById(formId);
	var commentText = document.getElementById('commentText');
	if(commentText != null) {
		commentText.value = "";
	}
	form.submit();

}

function disableSubmit() {
	var submitButton = document.getElementById('submitButton');

	// disable the submit button to avoid duplicate
	// submissions of the form
	submitButton.disabled = true;
	return true;
}

function validateInputs() {
 	var errFlag = new Array();
 	_msg = '';

	var form = document.getElementById('mediaCommentForm');
	var commentText = document.getElementById('commentText').value;
 	if (commentText.length > 1000
 			&& !errFlag['commentText']) {
		errFlag['commentText'] = true;
		_msg = _msg + '\n Comments must be less than 1000 characters ';
	}

	if (_msg != '') {
		alert(_msg);
		return false;
	}
	return true;
}