function switchLeaderboard(leaderboard)
{
	
	if ( leaderboard == "" ) {
		leaderboard = "points";
		if ( $("link-runs").className == "on" ) leaderboard = "runs";
	}
	
	$("sidebar-points-all").style.display	= 'none';
	$("sidebar-points-month").style.display	= 'none';
	$("sidebar-runs-all").style.display		= 'none';
	$("sidebar-runs-month").style.display		= 'none';

	$("link-points").className = 'off';
	$("link-runs").className = 'off';
	
	var filter = ( $("leaderboard-filter-all").checked ? "all" : "month" )

	$("sidebar-"+leaderboard+"-"+filter).style.display = 'block';
	$("link-"+leaderboard).className = 'on';
}