function updateCustomer(aCustomerId , aReferer)
{
  new Ajax.Updater('dataBlock' , '../management/data_box.php' , { parameters: {customerId: aCustomerId , referer : aReferer} , encoding: 'iso-8859-15'});
}
function updateStatistic(aStatisticId , aReferer)
{
  new Ajax.Updater('dataBlock' , '../management/data_box.php' , { parameters: {statisticId: aStatisticId , referer : aReferer} , encoding: 'iso-8859-15'});
}