var str_opendRef = "";
var str_opendRefPic = "";

function showHideRef(str_id, str_pic)
{
	if (document.getElementById(str_id).style.display == "block")
	{
		document.getElementById(str_id).style.display = "none";
		document.getElementById(str_pic).src = "bilder/alle/left.gif";
	}
	else
	{
		if (str_opendRef != "")
		{
			document.getElementById(str_opendRef).style.display = "none";
			document.getElementById(str_opendRefPic).src = "bilder/alle/left.gif";
		}
		document.getElementById(str_id).style.display = "block"
		document.getElementById(str_pic).src = "bilder/alle/down.gif";
		str_opendRef = str_id;
		str_opendRefPic = str_pic;
	}
}