<!-- 	
function checkAll(field) {
  var ids = '';
  if (field[0].checked) {
    for (i = 1; i < field.length; i++) field[i].checked = false;
    field[0].checked = false;
    document.forms[0].chids.value = '';
  } else {
    for (i = 1; i < field.length; i++) {
      field[i].checked = true;
      ids += field[i].value + ':';
    }
    field[0].checked = true;
    document.forms[0].chids.value = ids;
  }
}
function checkVal(field) {
  var ids = '';
  for (i = 0; i < field.length; i++) if (field[i].checked) ids += field[i].value + ':';
  document.forms[0].chids.value = ids;
}
-->