openedId = "";
function showObj(objId)
{
	if (openedId != "") document.getElementById(openedId).style.display = "none";
	document.getElementById(objId).style.display = "block";
	openedId = objId;
}

function hideObj(objId)
{
	document.getElementById(objId).style.display = "none";
	openedId = "";
}