function ControlVisible(objId, status)
{
	var o = document.getElementById(objId);
	if (o == null) return;	
	o.style.display = status;
}

function setTarget(tarID, value_show)
{
	var tar = document.getElementById(tarID);
	if (tar == null) return false;

	ControlVisible(tarID, "inline");
	tar.innerHTML = value_show;
}