var layerok = 0;
var boxnum = 5;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;


var count = 0;
var counter;
var size = 20;
 

function Mostra(box,x,y,on) {
 if (layerok) {
  if (on) {
   if (NS4) {
    document.layers[box].left = x;
    document.layers[box].top = y;
    document.layers[box].visibility = "show";
   } else {
    document.all[box].style.pixelLeft = x;
    document.all[box].style.pixelTop = y;
    document.all[box].style.visibility = "visible";
   }
  } else {
   if (NS4) {
    document.layers[box].visibility = "hide";
   } else {
    document.all[box].style.visibility = "hidden";
   }
  }
 }
}

function Nascondi() {
 if (layerok) {
  for(i=1; i<=boxnum; i++) {
   box = "m"+i;
   Mostra(box,0,0,false);
  }
 }
}

function Apri(box,x,y) {
 Nascondi()
 Mostra(box,x,y,true);
}

function on(img) {
 if (NS4) {
  document.layers["logo"].src = "/img/"+img;
 } else {
  document.all["bild"].src = "/img/"+img;
 }
 Mostra("logo",413,54,true);
}

function off() {
 Mostra("logo",413,54,false);
}