function popWindow(Filename, Winname, Features) {
     MyWindow = window.open(Filename, Winname, Features);
     MyWindow.focus();
}

function foldOut(item) {
   object=document.getElementById(item);
   visible=(object.style.display!="none")
   if (visible) { 
     object.style.display="none"; 
   } 
   else { 
     object.style.display="block";
   }
}


function foldOutSpecial(item) {
   document.getElementById("anderewelten").style.display = "none";
   document.getElementById("retro").style.display = "none";
   document.getElementById("blindtext").style.display = "none";
   document.getElementById("action").style.display = "none";
   document.getElementById("mystery").style.display = "none";

   object=document.getElementById(item);
   visible=(object.style.display!="none")
   if (visible) { 
     object.style.display="none"; 
   } 
   else { 
     object.style.display="block"; 
   }
   document.getElementById("nav_pics").style.display = "none";
   document.getElementById("nav_browse").style.display = "block";
}

function foldBack() {
   document.getElementById("anderewelten").style.display = "none";
   document.getElementById("retro").style.display = "none";
   document.getElementById("blindtext").style.display = "none";
   document.getElementById("action").style.display = "none";
   document.getElementById("mystery").style.display = "none";
   document.getElementById("nav_pics").style.display = "block";
   document.getElementById("nav_browse").style.display = "none";
}