//
//  Form validation
//
function validateRegForm()
{
	var validates = true;
	
	// Check if the name field has been filled in
	validates = validateField('name');
	
	// Check if the email field has been filled in
	validates = validateField('email');
	
	return validates;
}

// Returns true if the given field is not empty
function validateField(fieldId)
{
	// Check if the email field has been filled in
	field = document.getElementById(fieldId);
	error = document.getElementById('err-' + fieldId);
	if (!field)
	{
		return false;
	} else if (field.value == null || field.value == "")
	{
		error.style.visibility = "visible";
		return false;
	}
	
	error.style.visibility = "hidden";
	
	return true;
}