function layeroff()
{
    if( navigator.appName == "Netscape" ) 
  {
    document.getElementById("wirueberuns").style.visibility="hidden"; 
    document.getElementById("anlegerinfo").style.visibility="hidden"; 
    document.getElementById("wasistneu").style.visibility="hidden"; 
    document.getElementById("statistiken").style.visibility="hidden"; 
    document.getElementById("publikationen").style.visibility="hidden"; 
    document.getElementById("veranstaltungen").style.visibility="hidden"; 
    document.getElementById("themen").style.visibility="hidden"; 
    document.getElementById("suche").style.visibility="hidden"; 
    document.getElementById("links").style.visibility="hidden"; 
    document.getElementById("englisch").style.visibility="hidden";
    document.getElementById("finanzplatz").style.visibility="hidden";
  }
/*  if( navigator.appName == "Netscape" ) 
  {
    document.layers["wirueberuns"].visibility = "hide"; 
    document.layers["anlegerinfo"].visibility = "hide"; 
    document.layers["wasistneu"].visibility = "hide"; 
    document.layers["statistiken"].visibility = "hide"; 
    document.layers["publikationen"].visibility = "hide";
    document.layers["veranstaltungen"].visibility = "hide"; 
    document.layers["themen"].visibility = "hide"; 
    document.layers["suche"].visibility = "hide"; 
    document.layers["links"].visibility = "hide"; 
    document.layers["englisch"].visibility = "hide";
    document.layers["finanzplatz"].visibility = "hide";
  }
*/  if( navigator.appName == "Microsoft Internet Explorer" ) 
  { 
    document.all.wirueberuns.style.visibility="hidden"; 
    document.all.anlegerinfo.style.visibility="hidden"; 
    document.all.wasistneu.style.visibility="hidden"; 
    document.all.statistiken.style.visibility="hidden"; 
    document.all.publikationen.style.visibility="hidden"; 
    document.all.veranstaltungen.style.visibility="hidden"; 
    document.all.themen.style.visibility="hidden"; 
    document.all.suche.style.visibility="hidden"; 
    document.all.links.style.visibility="hidden"; 
    document.all.englisch.style.visibility="hidden";
    document.all.finanzplatz.style.visibility="hidden";
  }
} 
function layeron( whichlayer )
{ 
  if( navigator.appName=="Netscape" )
  { 
    document.getElementById(whichlayer).style.visibility = "visible"; 
    //eval( "document.layers['"+whichlayer+"'].visibility = 'show'" );
  }
  if( navigator.appName=="Microsoft Internet Explorer" ) 
  { 
    eval( "document.all."+whichlayer+".style.visibility='visible'" ); 
  } 
}