function c_ed_hideAll()
{
  if (document.forms[0].c_ed != null)
  {
    if (document.forms[0].c_ed.checked == false) {changeObjectVisibility("c_ed_QS","hidden","none");}
  }

//  if (document.crForm.c_ed.checked == false) {changeObjectVisibility("c_ed_QS","hidden","none");}
}