function checkconvertform()
{
	var submitform = true;
	
	resetconverterrors();
	
	if (document.convertform.convertvalue.value == "")
	{
		document.getElementById("valueerror").innerHTML = "A value is required to convert.";
		submitform = false;
	}
	
	if (((document.convertform.from.value == document.convertform.to.value) && submitform)
	   && !confirm("You are trying to convert from and to the same unit. Do you want to continue?"))
	{
		submitform = false;
	}

	return submitform;
}

function checkloanform()
{
	var submitform = true;

	resetloanerrors();

	if ((document.loanform.amount.value == "") || (document.loanform.amount.value == 0))
	{
		document.getElementById("amounterror").innerHTML = "Enter an amount here.";
		submitform = false;
	}

	if ((document.loanform.term.value == "") || (document.loanform.term.value == 0))
	{
		document.getElementById("termerror").innerHTML = "Enter a length here.";
		submitform = false;
	}

	if ((document.loanform.interest.value == "") || (document.loanform.interest.value == 0))
	{
		document.getElementById("interesterror").innerHTML = "Enter the interest rate here.";
		submitform = false;
	}

	return submitform;
}

function checkdateform()
{
	var submitform = true;
	
	resetdateerrors();
	
	if (document.dateform.date1.value == "")
	{
		document.getElementById("date1error").innerHTML = "Date required in this field.";
		submitform = false;
	}

	if (document.dateform.date2.value == "")
	{
		document.getElementById("date2error").innerHTML = "Date required in this field.";
		submitform = false;
	}

	return submitform;
}

function resetloanerrors()
{
	document.getElementById("termerror").innerHTML = "";
	document.getElementById("amounterror").innerHTML = "";
	document.getElementById("interesterror").innerHTML = "";
}

function resetdateerrors()
{
	document.getElementById("date1error").innerHTML = "";
	document.getElementById("date2error").innerHTML = "";
}

function resetconverterrors()
{
	document.getElementById("valueerror").innerHTML = "";
}