var requiredVersion = 5;  
var useRedirect = false;  
var flashPage = "" 
var noFlashPage = ""  
var upgradePage = ""  
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;
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('</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 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;  
  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();