function AutoTab(currentField, targetFieldId)
{
	if (!currentField.getAttribute) return false;
	var MaxLength = currentField.getAttribute("maxlength");
	var CurrentLength = currentField.value.length;
	
	var TargetField = document.getElementById(targetFieldId);
	if (TargetField==null) return false;
			
	if (CurrentLength>=MaxLength) TargetField.focus();
	
	return true;
}