var offen="";
var opn="";

function testen()
{
if ((navigator.appName=="Microsoft Internet Explorer")&&(navigator.appVersion.charAt(0)>=4))
{schicht="document.all";auf="[";zu="]";stil=".style";}
else if
((navigator.appName=="Netscape")&&(navigator.appVersion.charAt(0)>=4)&&(navigator.appVersion.substring(0,1)<5)&&(navigator.appVersion.substring(2,3)>=5))
{schicht="document.layers";auf="[";zu="]";stil="";}
else if
((navigator.appName=="Netscape")&&(navigator.appVersion.charAt(0)>=5))
{schicht="document.getElementById";auf="(";zu=")";stil=".style";}
}

testen();

function zeig(wen)
{
if (offen)
{
eval(schicht+auf+'offen'+zu+stil+'.visibility="hidden"');
}
if (wen)
{
eval(schicht+auf+'wen'+zu+stil+'.visibility="visible"');
offen=wen;
}
}

function show (li)
{
if (opn)
{
eval(schicht+auf+'opn'+zu+stil+'.visibility="hidden"');
}
if (li)
{
eval(schicht+auf+'li'+zu+stil+'.visibility="visible"');
opn=li;
}
}

function lnk (men)
{if (men)
{
eval(schicht+auf+'men'+zu+stil+'.visibility="visible"');
}}


function pruef(wen)
{
if (offen)
zeig (wen);
}
function ende()
{
zeig();
offen="";
}



function Status(Text)
{
 window.status= Text ; return true;
}