var browser = "none";

/* Netscape check */



if(navigator.appName == "Netscape")

           {

           /* Netscape 5 and higher check*/

           if (parseInt(navigator.appVersion) >= 5)

                   {

                   browser = "Netscape5 and above";

                   doclobj = "document.getElementById";

                   objtagopen = "('";

                   objtagclose = "').";

                   leftpix = "style.left";

                   toppix = "style.top";

                   visprop = "style.visibility";

                   showstr = "'visible'";

                   hidestr = "'hidden'";

                   }

/* all old Netscapes */

else

               {

                   browser = "Netscape 4";

                   doclobj = "document.layers";

                   objtagopen = "['";

                   objtagclose = "'].";

                   leftpix = "left";

                   toppix = "top";

                   visprop = "visibility";

                   showstr = "'show'";

                   hidestr = "'hide'";

                   }

           }

/* all other bowsers */

else

                   {

                   browser = "MSIE";

                   doclobj = "document.all";

                   objtagopen = "['";

                   objtagclose = "'].";

                   leftpix = "style.pixelLeft";

                   toppix = "style.pixelTop";

                   visprop = "style.visibility";

                   showstr = "'visible'";

                   hidestr = "'hidden'";

                   }



function hi(nam)

           {

           bla = doclobj + objtagopen + nam + objtagclose + visprop + " = " + showstr;

           eval(bla);

           }



function lo(nam)

        {

        bla = doclobj + objtagopen + nam + objtagclose + visprop + " = " + hidestr;

        eval(bla);

        }



function popup(url,windowtitle,params)

        {

        window1=window.open(url, windowtitle, params);

        }







/* ab hier rollover button navi */



n1 = new Image();

n1.src = "/images/navi/aktuell1.gif";

o1 = new Image();

o1.src = "/images/navi/aktuell2.gif";

n2 = new Image();

n2.src = "/images/navi/archiv1.gif";

o2 = new Image();

o2.src = "/images/navi/archiv2.gif";

n3 = new Image();

n3.src = "/images/navi/veranstaltungen1.gif";

o3 = new Image();

o3.src = "/images/navi/veranstaltungen2.gif";

n4 = new Image();

n4.src = "/images/navi/aboservice1.gif";

o4 = new Image();

o4.src = "/images/navi/aboservice2.gif";



function chp(Bildnr,Bildobjekt)

{

 window.document.images[Bildnr].src = Bildobjekt.src;

}

function fix1() {

n1.src = "/images/navi/aktuell2.gif";

n2.src = "/images/navi/archiv1.gif";

n3.src = "/images/navi/veranstaltungen1.gif";

n4.src = "/images/navi/aboservice1.gif";

chp(1,o1)

}



function fix2() {

n1.src = "/images/navi/aktuell1.gif";

n2.src = "/images/navi/archiv2.gif";

n3.src = "/images/navi/veranstaltungen1.gif";

n4.src = "/images/navi/aboservice1.gif";

chp(2,o2)

}



function fix3() {

n1.src = "/images/navi/aktuell1.gif";

n2.src = "/images/navi/archiv1.gif";

n3.src = "/images/navi/veranstaltungen1.gif";

n4.src = "/images/navi/aboservice1.gif";

chp(3,o3)

}



function fix4() {

n1.src = "/images/navi/aktuell1.gif";

n2.src = "/images/navi/archiv1.gif";

n3.src = "/images/navi/veranstaltungen2.gif";

n4.src = "/images/navi/aboservice1.gif";

chp(4,o4)

}



function fix5() {

n1.src = "/images/navi/aktuell1.gif";

n2.src = "/images/navi/archiv1.gif";

n3.src = "/images/navi/veranstaltungen1.gif";

n4.src = "/images/navi/aboservice2.gif";

chp(5,o5)

}



function fix6() {

n1.src = "/images/navi/aktuell1.gif";

n2.src = "/images/navi/archiv1.gif";

n3.src = "/images/navi/veranstaltungen1.gif";

n4.src = "/images/navi/aboservice1.gif";

chp(6,o6)

}





/* ab hier gehe zum jahr der auswahlbox */



function GotoURL(f) {

  self.location.href = f.archivjahr.options[f.archivjahr.selectedIndex].value;

}