function moneyCommaSep(ctrl)
{
  var separator = ",";
  var int = ctrl.value.replace ( new RegExp ( separator, "g" ), "" );
  var regexp = new RegExp ( "\\B(\\d{3})(" + separator + "|$)" );
  do
  {
    int = int.replace ( regexp, separator + "$1" );
  }
  while ( int.search ( regexp ) >= 0 )
  ctrl.value = int;
}

function removeComma(ctrl)
{
  var separator = ",";
  
  ctrl.value = ctrl.value.replace ( new RegExp ( separator, "g" ), "" );
}