var vmenu = 0;
var vom = 0;
var cv = 10;
var strUA = ""; var bswr = "";
strUA = navigator.userAgent.toLowerCase();
if (strUA.indexOf("safari") != -1) {
  bswr = "sf";
} else if (strUA.indexOf("firefox") != -1) {
  bswr = "ff";
} else if (strUA.indexOf("opera") != -1) {
  bswr = "op";
} else if (strUA.indexOf("netscape") != -1) {
  bswr = "nn";
} else if (strUA.indexOf("msie") != -1) {
  bswr = "ie";
} else if (strUA.indexOf("mozilla/4") != -1) {
  bswr = "n4";
}
function menuSelect(x) {
  document.getElementById("panel1").style.display = "block";
  setTimeout("Effect()",50);
}
function Effect() {
  if (vmenu >= 0) {
    subEffect(vom);
    if (vmenu == 0) vom += cv;
    if (vmenu == 1) vom -= cv;
    if (vom < 0) vom = 0;
  }
  if (vom == 100) {
    document.getElementById("panel1").style.zIndex = 40;
    vmenu = 1;
    subEffect(100);
    saveData(1);
    return false;
  }
  if (vom == 0) {
    document.getElementById("panel1").style.zIndex = 40;
    vmenu = 0;
    subEffect(0);
    saveData(0);
    return false;
  }
  if (vom > 0 && vom < 100) {
    setTimeout("Effect()",50);
  }
}
function subEffect(b) {
  if (bswr == "op" || bswr == "sf") document.getElementById("panel1").style.opacity = b / 100;
    else {
    if (bswr == "ie") document.getElementById("panel1").filters['alpha'].opacity = b;
      else if (bswr == "ff" || bswr == "nn") document.getElementById("panel1").style.MozOpacity = b / 100;
  }
  document.getElementById("panel1").style.height = (b * 1.5) + "px";
}
function saveData(x) {
  var sDay = new Date();
  sDay.setTime(sDay.getTime()+(1000*60*60*24));
  var eDay = sDay.toGMTString();
  document.cookie = "number=" + x + ";expires=" + eDay;
}

onload = function() {
  var Data   = 0;
  var Name   = "number=";
  var Cookie = document.cookie + ";";
  start = Cookie.indexOf(Name);
  if (start != -1) Data = unescape(Cookie.substring(Cookie.indexOf(Name) + 7,Cookie.indexOf(";",start)));
  if (Data > 0) menuSelect(Data);
}