var flash2Installed = false;		
var flash3Installed = false;		
var flash4Installed = false;		
var flash5Installed = false;	
var flash6Installed = false;  	

function detectFlashVersion(requiredVersion) {  

	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'); 
  }	

  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 (actualVersion >= requiredVersion) { 	
		hasRightVersion = true;					
	}

  return hasRightVersion;

}

function detectFlash(requiredVersion)
{
 if(detectFlashVersion(requiredVersion) == true)
 {
   return true;
 }
 else
 {
   return false;
 }
}

function getQueryVariable(variable) 
{
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) 
  {
    var pair = vars[i].split("=");
    if (pair[0] == variable) 
    {
      return pair[1];
    }
  }
  return "";
} 

var hasReqestedVersion = detectFlash(5);
if (!hasReqestedVersion) 
{
   var flashpages = "/rundgang.aspx,/head.aspx,/zeitstrahl.aspx,/en/rundgang.aspx,/fr/rundgang.aspx,/en/zeitstrahl.aspx,/fr/zeitstrahl.aspx,";
   if(flashpages.indexOf(location.pathname + ",") > -1)
   {
     url = location.pathname;
     if (location.pathname.indexOf('/head.aspx') != -1)//     /head_noflash wird /en/head_noflash bzw. /fr/head_noflash
     {
       if (getQueryVariable("ln") == "e")
       {
         url = "/en" + url;
       }
       else if (getQueryVariable("ln") == "f")
       {
         url = "/fr" + url;
       }
     }
     document.location.href = url.replace(".aspx", "_noflash.aspx") + location.search;
   }
}