var objPrec = "";
function showHide(IDObj, show)
{ closeReps = objPrec.split("-");
  concatRep = "";
  for(i=0; i<closeReps.length; i++)
  { monObjPrec = (objPrec ? document.getElementById(concatRep+""+closeReps[i]) : null);
    if (monObjPrec) 
	{ monObjPrec.style.display = "none";
	  concatRep = concatRep + closeReps[i] + "-";
	}
  }

  openReps = IDObj.split("-");
  concatRep = "";
  for(i=0; i<openReps.length; i++)
  { monObj = document.getElementById(concatRep+"" +openReps[i]);
    monObj.style.display = (show ? "block" : "none");
	concatRep = concatRep + openReps[i] + "-";
  }
  objPrec = concatRep;
}