var ie4 = document.all;
var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;

function showrevier(id) {
  window.clearTimeout(aktiv);
  var jetzt = new Date();
  var newpict = new Image();
  newpict.src = "../inc/getpict.php?cam="+id+"&r=1&t="+jetzt;
  document.images["pict"].src = newpict.src;
  currid = id;
  /*
  if (ns4) { document.layers["minus"].visibility = "show"; }
  if (ie4) { document.all["minus"].style.visibility = "visible"; }
  if (ns6) { document.getElementById("minus").style.visibility = "visible"; }
  if (ns4) { document.layers["plus"].visibility = "show"; }
  if (ie4) { document.all["plus"].style.visibility = "visible"; }
  if (ns6) { document.getElementById("plus").style.visibility = "visible"; }
  */
}

function chgPict(id) {
  var jetzt = new Date();
  var newpict = new Image();
  newpict.src = "../inc/getpict.php?cam="+id+"r=0&t="+jetzt;
  document.images["pict"].src = newpict.src;
  currid = id;
  /*
  if (ns4) { document.layers["minus"].visibility = "hide"; }
  if (ie4) { document.all["minus"].style.visibility = "hidden"; }
  if (ns6) { document.getElementById("minus").style.visibility = "hidden"; }
  if (ns4) { document.layers["plus"].visibility = "show"; }
  if (ie4) { document.all["plus"].style.visibility = "visible"; }
  if (ns6) { document.getElementById("plus").style.visibility = "visible"; }
  */
  aktiv = window.setTimeout("chgPict(id)", 60000);
}

var currid = 0;
var aktiv = window.setTimeout("chgPict(currid)", 60000);