/*
 * Returns a boolean value indicating whether or not the textString parameter
 * is either the empty String or a String of empty spaces.
 */
function isBlank(textString) {
	returnValue = true;

	for(i = 0; i < textString.length; i++) {
		if (textString.charAt(i) != ' ') {
			returnValue = false;
			break;
		}
	}

	return returnValue;
}