function emailSalesSetup()
{
	elemRegarding = document.getElementById('regarding');
	elemUserName = document.getElementById('userName');
	elemPhoneNum = document.getElementById('phoneNum');
	elemRemainingChars = document.getElementById('remainingChars');
	maxLength = 85;

	elemRemainingChars.innerHTML = maxLength;
}


function evaluateTotalLength(currentElement)
{
	totalLength = elemUserName.value.length + elemPhoneNum.value.length + elemRegarding.value.length;

	if (totalLength > maxLength)
	{
		switch (currentElement)
		{
			case elemUserName:
				currentElementAllowance = (elemPhoneNum.value.length + elemRegarding.value.length);
				break;
			case elemPhoneNum:
				currentElementAllowance = (elemUserName.value.length + elemRegarding.value.length);
				break;
			case elemRegarding:
				currentElementAllowance = (elemUserName.value.length + elemPhoneNum.value.length);
				break;
			default:
				currentElementAllowance = 0;
				
		}
		currentElement.value = currentElement.value.substring(0, maxLength - currentElementAllowance);
	}
	else
		elemRemainingChars.innerHTML = maxLength - totalLength;
}

window.onload = emailSalesSetup;