// Limit the Number of Characters in a Textarea or Text Field.
function limitChars(limitField, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	}
}

// Limits input and returns counter.
function limitCharsReturnCount(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	}
	else {
		limitCount.value = limitNum - limitField.value.length;
	}
}