var oActiveRegion = null;

function ToggleRegion(id)
{
	if (!oActiveRegion)
	{
		var oDIVs = document.getElementsByTagName("DIV");
		for (var i = 0; i < oDIVs.length; i++)
		{
			if (oDIVs[i].className == "active")
			{
				oActiveRegion = oDIVs[i];
				break;
			}
		}
	}
	
	var oRegion = document.getElementById(id);
	if (oRegion)
	{
		if (oActiveRegion)
			oActiveRegion.className = "";
		
		if (oActiveRegion != oRegion)
		{
			oActiveRegion = oRegion;
			oActiveRegion.className = "active";
		}
		else
			oActiveRegion = null;
	}
	
	return false;
}