/********************************************************
*	Counts the characters currently entered into a form field
*
*	@author      Ava Hristova
*	@version     1.00
********************************************************/

charCount = 1;
maxCharCount = 2000;

function displayRemLength(fieldName) {
	remField = document.getElementById(fieldName);
	remField.innerHTML = (maxCharCount - charCount > 0) ? maxCharCount - charCount : 0;
}

function evalEntryLength(curField, maxLimit, discardXtra, errClass, normalClass) {
	maxCharCount = maxLimit;
	var fieldLength = getCharCount(curField);
	
	if (fieldLength > maxLimit) {
		if (errClass != "") {
			curField.className = errClass;
		}
		if (discardXtra) {
			showAllowedLength(curField, maxLimit);
		}
	} else if (normalClass != "") {
		curField.className = normalClass;
	}
}

function getCharCount(curField) {
	charCount = curField.value.length;
	
	return charCount;
}

function showAllowedLength(curField, maxLimit) {
	curField.value = curField.value.substr(0, maxLimit);
	window.status = curField.value;
}