function c_invo01_hideAll()
{
  if (document.forms[0].c_invo01 != null)
  {
    if (document.forms[0].c_invo01.checked == false) {changeObjectVisibility("c_invo01_QS","hidden","none");}
  }

//  if (document.crForm.c_invo01.checked == false) {changeObjectVisibility("c_invo01_QS","hidden","none");}
}