function activ(Name)
{
	Name1 = "l" + Name;
	Name2 = "r" + Name;
	document.all [Name1].className = "activ_l";
	document.all [Name2].className = "activ_r";
}


function inactiv(Name)
{
	Name1 = "l" + Name;
	Name2 = "r" + Name;
	document.all [Name1].className = "";
	document.all [Name2].className = "inactiv";
}


function extra()
    {
        window.open("sonder.htm","RheintalExtraSeite","toolbar=0,width=400,height=400,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,copyhistory=0");
    }