var requiredVersion = 6;
var useRedirect = false;  
                           
var flashPage = "movie.html"      
var noFlashPage = "noflash.htm"  
var upgradePage = "upgrade.htm"  

// System globals
var flash2Installed = false;    
var flash3Installed = false;    
var flash4Installed = false;   
var flash5Installed = false;    
var flash6Installed = false;    
var maxVersion = 6;             
var actualVersion = 0;          
var hasRightVersion = false;    
var jsVersion = 1.0;


// Check the browser...we're looking for ie/win
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;    // true if we're on ie

var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows

// This is a js1.1 code block, so make note that js1.1 is supported.
jsVersion = 1.1;

// Write vbscript detection on ie win. IE on Windows doesn't support regular
// JavaScript plugins array detection.
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('<' + '/SCRI' + 'PT\> \n');
}

function detectFlash() {
  if (navigator.plugins) {
    // ...then check for flash 2 or flash 3+.
    if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {

      // Set convenient references to flash 2 and the plugin description.
      var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
      var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;
     
      // alert("Flash plugin description: " + flashDescription);
      
      // A flash plugin-description looks like this: Shockwave Flash 4.0 r5
      // We can get the major version by grabbing the character before the period
      var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
     
      flash2Installed = flashVersion == 2;    
      flash3Installed = flashVersion == 3;
      flash4Installed = flashVersion == 4;
      flash5Installed = flashVersion == 5;
      flash6Installed = flashVersion >= 6;
    }
  }  
 
  for (var i = 2; i <= maxVersion; i++) {  
    if (eval("flash" + i + "Installed") == true) actualVersion = i;
  }

  if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 3;  
 
  // alert("version detected: " + actualVersion);

  if (actualVersion >= requiredVersion) {
    if (useRedirect) {
      if(jsVersion > 1.0) {
        window.location.replace(flashPage);  
      } else {
        window.location = flashPage;
      }
    }
    hasRightVersion = true;                
  } else {  
     if (useRedirect) {
      if(jsVersion > 1.0) {
        window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
      } else {
        window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
      }
    }
  }
}

detectFlash();  // call our detector now that it's safely loaded.