var valueElement = document.getElementById('attr' + i +'value_');
if (!wsptIsNull(valueElement))
{
	data.values[dataIndex].value = valueElement.value;
	//if this happens to be a checkbox, its returning "true" (string) always,
	//and not checking the checked state. valueElement.checked is the boolean i want
}
else
{
	data.values[dataIndex].value = '';
}