function show_aktuell(show_aktuell){
    var myObj = document.getElementById(show_aktuell);
    if(myObj.style.display == "block"){
        myObj.style.display = "none";
        
    }else{
        myObj.style.display = "block";
        
    }
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
    if (init==true) with (navigator) {
        if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
            document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage;
        }
        }
    else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
    }
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
    var i,p,v,obj,args=MM_showHideLayers.arguments;
    for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) {
        v=args[i+2];
        if (obj.style) {
            obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v;
        }
        obj.display=v;
    }
}