function getInfoAboutRemainingLengthInput(id, max, span_id)
{
	fieldObj = document.getElementById(id);
	
	if (fieldObj.value.length > max)
	{
		fieldObj.value = fieldObj.value.substring(0,max);
	}
	
	span1 = document.getElementById(span_id + '_written');
	span2 = document.getElementById(span_id + '_remaining');
	
	if(span1 != null) span1.innerHTML = fieldObj.value.length;
	if(span2 != null) span2.innerHTML = max - fieldObj.value.length;
}