/* emion interaktive medien */
/* http://www.emion.de      */
/* mschmidt@20040215 1446   */

function subnavig(obj)
	{
	if(document.getElementById)
		{
		var el = document.getElementById(obj);
		var ar = document.getElementById("navigation").getElementsByTagName("span");
		if(el.style.display != "block")
			{
			for(var i=0; i<ar.length; i++)
				{
				if (ar[i].className=="subnavig")
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}
		else
			{
			el.style.display = "none";
			}
		}
	}