// Script code Copyright MyRo 1999-2003
var GetObjectByRef = null;
function errorHandler(message, url, line)
{
   window.alert ("Een fout gebeurde: " + message + "\n op de lijn:" +  line + "\n in: " + url);
   // stop the event from bubbling up to the default window.onerror handler
   return true;
}

// install the global error-handler
window.onerror = errorHandler;

function CBrowserVersion()
{
  this.ver=navigator.appVersion;
  this.agent=navigator.userAgent.toLowerCase();
  this.dom=document.getElementById?1:0;
  this.opera = -1;
  if (window.opera)
  {
    if (this.agent.indexOf("opera 5")>-1 || this.agent.indexOf("opera/5")>-1)
      this.opera = 500;
   else if (this.agent.indexOf("opera 6")>-1 || this.agent.indexOf("opera/6")>-1)
     this.opera = 600;
  }
  this.ie = -1;
  if (this.opera < 0)
  {
        pos = this.agent.indexOf ("msie");
    if (pos >= 0)
    {
      pos += 5;
      this.ie = parseFloat (this.agent.substr (pos, pos + 6)) * 100;
    }
  }
  this.mac=(this.agent.indexOf("mac")>-1);
  this.ns = -1;
  this.firefox = -1;
  this.mozilla = -1;
  if (this.agent.indexOf("firefox") > -1)
  {
    pos = this.agent.indexOf("firefox") + 8;
    this.firefox = parseFloat (this.agent.substring (pos, pos + 6)) * 100;
  }
  else if (this.agent.indexOf("gecko")>-1 || window.sidebar)
  {
    this.ns = 600;
    pos = this.agent.indexOf ("netscape");
    if (pos > 0)
    {
      pos += 9;
      this.ns = parseFloat (this.agent.substr (pos, pos + 6)) * 100;
      if (this.ns < 600)
        this.ns = 600;
    }
    else
    {
      pos = this.agent.indexOf ("rv:");
      if (pos > 0)
      {
        pos += 3;
        this.mozilla = parseFloat (this.agent.substr (pos, pos + 6)) * 100;
      }
    }
  }
  else if (!this.dom && document.layers)
    this.ns = 400;
  this.usedom= this.ns >= 600 || this.firefox >= 0;
  this.reuse = this.ie >= 400  || this.usedom || this.firefox >= 0;//Reuse layers
  this.useDhtml= this.ie >= 400 || this.firefox >= 0 || this.ns >= 500;
  this.useLayer=this.ns == 400;
  this.supportError=this.ie >= 500 || this.ns >= 600 || this.firefox >= 0;

  if (document.all)
    GetObjectByRef = function (nm) {return window.document.all [nm];};
  else if (document.getElementById)
    GetObjectByRef = function (nm) {return document.getElementById (nm);};
  else if (document.layers)
    GetObjectByRef = function (nm) {return document.layers [nm];};
  else
    GetObjectByRef = null;

  if (this.ie >= 400)
    GetParentNode = function(obj) {return obj ? obj.parentElement : NULL;};
  else
    GetParentNode = function (obj) {return obj ? obj.parentNode : NULL;};

  return this;
}

var browserVersion=new CBrowserVersion();

function SupportDHTML ()
{
  if (browserVersion == null)
    return false;
  return browserVersion.useDhtml;
}

function IEVersion ()
{
  if (browserVersion == null)
    return 0;
  return browserVersion.ie;
}

function NSVersion ()
{
  if (browserVersion == null)
    return 0;
  return browserVersion.ns;
}

function FireFoxVersion ()
{
  if (browserVersion == null)
    return 0;
  return browserVersion.firefox;
}

function SupportLayers ()
{
  if (browserVersion == null)
    return false;
  return browserVersion.useLayer;
}

function SupportAnimation ()
{
  if (browserVersion == null)
    return false;
  return browserVersion.ie >= 550;
}

function Check()
{
  if (!SupportDHTML ())
    return;
  var obj;
  for (var i=0; i < Data.elements.length; i++)
  {
    obj=Data.elements[i];
    if (obj.type=="text" && Data.elements[i].value.length > 0)
    {
      doSubmit.style.visibility="visible";
      return 1;
    }
  }
  doSubmit.style.visibility="hidden";
}

function InitSheet()
{
  if (SupportDHTML ())
    doSubmit.style.visibility="hidden";
}

function GetStyleSheet (location)
{
  if (IEVersion () >= 500 || FireFoxVersion () >= 0)
    return '<LINK REL="stylesheet" TYPE="text/css" HREF="' + location + 'css/MR5.css">';
  else if (IEVersion () >= 400)
    return '<LINK REL="stylesheet" TYPE="text/css" HREF="' + location + 'css/MR4.css">';
  else if (IEVersion () >= 300)
    return '<LINK REL="stylesheet" TYPE="text/css" HREF="' + location + 'css/MR3.css">';
  else if (this.ns > 0)
    return '<LINK REL="stylesheet" TYPE="text/css" HREF="' + location + 'css/NV4.css">';
  return "";
}

function ShowAnswer (id, hide)
{
  if (SupportDHTML ())
    if (hide)
      id.style.display="none";
    else
      id.style.display="";
}

function ToggleAnswer (id)
{
  if (SupportDHTML ())
  {
    if (id.style.display=="none")
      id.style.display="";
    else
      id.style.display="none";
   }
}

function ToggleAnswerS (oItems)
{
  var obj = GetObjectByRef (oItems);
  if (obj)
  {
    if (obj.style.display == "none")
    {
      obj.style.display = "inline";
    }
    else
    {
      obj.style.display = "none";
    }
  }
}

function SelectMenu (id)
{
  if (SupportDHTML ())
  {
    if (id.className == "RMenu")
    id.className = "RMenuPush";
    id.style.color = "Red";
  }
}

function UnselectMenu (id)
{
  if (SupportDHTML ())
  {
    if (id.className == "RMenuPush")
      id.className = "RMenu";
    id.style.color = "Black";
  }
}

function ToggleDisplay(oItems)
{
  var obj = GetObjectByRef (oItems);
  if (obj)
    if ((obj.style.display == "") || (obj.style.display == "none"))
    {
      obj.style.display = "block";
      //oButton.src = "/msdn-online/start/images/minus.gif";
    }
    else
    {
      obj.style.display = "none";
      //oButton.src = "/msdn-online/start/images/plus.gif";
    }
}

var menuCount;

function InitDownMenu1 (sTitle)
{
  menuCount = 0;
  document.write ('<table class="DownMenuTable" border="0" width="100%"><tr>');
}

function EndDownMenu1 ()
{
  document.write ("</tr></table>");
}

function MakeDownMenu1 (sName, sBookmark, sInfo, picture)
{
  if (menuCount == 5)
  {
    document.write ('</tr></tr>');
    menuCount = 1;
  }
  else
    menuCount++;
   
  var index;
  thisPage = location.href;
  index = thisPage.lastIndexOf ("/");
  if (index < 0)
    index = thisPage.lastIndexOf ("\\");
  if (index > 0)
    thisPage = thisPage.substr (index + 1);
  if (sName == null || thisPage == sName || thisPage == "_" + sName)
  {
    if (picture == null)
      document.write ('<td class="DownMenuCell">' + sInfo + '</td>\n');
    else
      document.write ('<td class="DownMenuCell">' + picture + sInfo + '</td>\n');
    return true;
  }
  else
  {
    var ref;
    if (sBookmark == "")
      ref = sName;
    else
      ref = sName + "#" + sBookmark;
    if (picture == null)
      document.write ('<td class="DownMenuCell"><a href="' + ref + '">' + sInfo + '</a></td>\n');
    else
      document.write ('<td class="DownMenuCell"><a href="' + ref + '">' + picture + sInfo + '</a></td>\n');
    return false;
  }
}