function HideOldArchive()
{
	ToggleId("archive-2006");
	ToggleId("archive-2007");
	ToggleId("archive-2008");
	ToggleId("archive-2009");
}  // function HideOldArchive()
document.addEventListener("DOMContentLoaded", HideOldArchive, false);


/**
* @brief toggles between block and none display using an id
*/
function ToggleId(object_id)
{
	if(document.getElementById(object_id).style.display == "none")
	{
		document.getElementById(object_id).style.display = "block";
	}
	else
	{
		document.getElementById(object_id).style.display = "none";
	}
}  // function ToggleId()