function checkMandatoryField(id)
{
	var element = document.getElementById(id);
	
	if (element.value == "")
	{
		element.style.backgroundColor = "red";
		return 1;
	}
	else
	{
		element.style.backgroundColor = "";
	}
	
	return 0;
}

function checkConfirmation(id1, id2)
{
	var input1 = document.getElementById(id1);
	var input2 = document.getElementById(id2);
	
	if (input1.value != input2.value)
	{
		input2.style.backgroundColor = "red";
		return 1;
	}
	
	return 0;
}

function showErrorMessage(msg)
{
	var element = document.getElementById("errorMessage");
	
	element.style.visibility = "visible";
	element.innerHTML = msg;
}

function hideErrorMessage()
{
	var element = document.getElementById("errorMessage");
	
	element.style.visibility = "hidden";
}