var requiredVersion = 8;

var useRedirect = false;

var flashPage = "yes.html"
var noFlashPage = "html/no.html"
var upgradePage = "html/up.html"

var flash2Installed = false;
var flash3Installed = false;
var flash4Installed = false;
var flash5Installed = false;
var flash6Installed = false;
var flash7Installed = false;
var flash8Installed = false;
var maxVersion = 8;
var actualVersion = 0;
var hasRightVersion = false;
var jsVersion = 1.0;

var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;
jsVersion = 1.1;

if(isIE && isWin)
{
  document.write( '<SCR' + 'IPT LANGUAGE=VBScript\> \n' );
  document.write( 'on error resume next \n' );
  document.write( 'flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n' );
  document.write( 'flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n' );
  document.write( 'flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n' );
  document.write( 'flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n' );
  document.write( 'flash6Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6"))) \n' );
  document.write( 'flash7Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7"))) \n' );
  document.write( 'flash8Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8"))) \n' );
  document.write( '</SCR' + 'IPT\> \n' );
}

function detectFlash() {

  if (navigator.plugins)
  {
  
    if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"])
    {
      var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
      var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;
      
      var descArray = flashDescription.split(" ");
      var versionArray = descArray[2].split(".");
      // var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
      var flashVersion = versionArray[0];

      flash2Installed = flashVersion == 2;
      flash3Installed = flashVersion == 3;
      flash4Installed = flashVersion == 4;
      flash5Installed = flashVersion == 5;
      flash6Installed = flashVersion == 6;
      flash7Installed = flashVersion == 7;
      flash8Installed = flashVersion >= 8;
    }
  }

  for (var i = 2; i <= maxVersion; i++)
  {
    if (eval("flash" + i + "Installed") == true) actualVersion = i;
  }

	

  if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 3;

  if (actualVersion >= requiredVersion)
  {
     if (useRedirect)
     {
      if(jsVersion > 1.0)
      {
        window.location.replace(flashPage);
      }
      else
      {
        window.location = flashPage;
      }
    }
    
    hasRightVersion = true;
    return true;

  }
  else
  {
    if (useRedirect)
    {
      if(jsVersion > 1.0)
      {
        window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
      }
      else
      {
        window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
      }
    }
  
    return false;
  }
}