function nav(URL){
  window.document.location = URL;
}

function changeDisplay(InOutObjStr, first, second, imgObjStr, firstImg, secondImg){
  var Obj1=window.document.getElementById(InOutObjStr);
  var Obj2=window.document.getElementById(imgObjStr);
  if(Obj1!=null){
    var preS=Obj1.style.display;
    if(preS==first){
      Obj1.style.display=second;
      if(Obj2!=null){Obj2.src=secondImg;}
    }else{
      Obj1.style.display=first;
      if(Obj2!=null){Obj2.src=firstImg;}
    }
  }
}


var requiredVersion = 5; 
var useRedirect = false; 
var flashChecked = false;

var flash2Installed = false;  
var flash3Installed = false;  
var flash4Installed = false;  
var flash5Installed = false;  
var flash6Installed = false;
var flash7Installed = false;

var maxVersion = 7;   
var actualVersion = 0;    
var hasRightVersion = false;  
var jsVersion = 1.0;    

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

detectFlash = function(){
  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('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
  }

  if (navigator.plugins) {  // does navigator.plugins exist?
    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;
    flash7Installed = flashVersion == 7;
    }
  }

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

  if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 2;

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

writeFlash = function(s,w,h,b,v,t) {
  if(!flashChecked){ detectFlash();}
  var alternateContent = '<center>Voor deze site heeft u <a target="_blank" href="http://www.microsoft.com/download/">Microsoft Internet Explorer</a> versie 5.5 (of hoger) en de <a target="_blank" href="http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash&P5_Language=English">Macromedia Flash plugin</a> versie ' + requiredVersion + ' (of hoger) nodig.'
  var flashContent = '<OBJECT CLASSID="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" WIDTH="'+w+'" HEIGHT="'+h+'" CODEBASE="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
  + '<PARAM NAME="MOVIE" VALUE="'+s+'">'
  + '<PARAM NAME="PLAY" VALUE="true">'
  + '<PARAM NAME="LOOP" VALUE="false">'
  + '<PARAM NAME="QUALITY" VALUE="high">'
  + '<PARAM NAME="WMODE" VALUE="'+t+'">'
  + '<PARAM NAME="MENU" VALUE="false">'
  + '<PARAM NAME=bgcolor VALUE='+b+'>'
  + '<EMBED SRC="'+s+'" WIDTH="'+w+'" HEIGHT="'+h+'" PLAY="true" LOOP="false" QUALITY="high" MENU="false" BGCOLOR="'+b+'" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED>'
  + '<NOEMBED>' + alternateContent + '</NOEMBED></OBJECT>';

  if (hasRightVersion) {
    document.write(flashContent);
  } else {
    document.write(alternateContent);
  }
}

writeFlashRes = function(s,w,h,b,v,t) {
  if(!flashChecked){ detectFlash();}
  var alternateContent = '<center>Voor deze site heeft u <a target="_blank" href="http://www.microsoft.com/download/">Microsoft Internet Explorer</a> versie 5.5 (of hoger) en de <a target="_blank" href="http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash&P5_Language=English">Macromedia Flash plugin</a> versie ' + requiredVersion + ' (of hoger) nodig.'
  var flashContent = '<OBJECT CLASSID="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" WIDTH="'+w+'" HEIGHT="'+h+'" CODEBASE="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
  + '<PARAM NAME="MOVIE" VALUE="'+s+'">'
  + '<PARAM NAME="PLAY" VALUE="true">'
  + '<PARAM NAME="LOOP" VALUE="false">'
  + '<PARAM NAME="QUALITY" VALUE="high">'
  + '<PARAM NAME="WMODE" VALUE="'+t+'">'
  + '<PARAM NAME="MENU" VALUE="false">'
  + '<PARAM NAME=bgcolor VALUE='+b+'>'
  + '<EMBED SRC="'+s+'" WIDTH="'+w+'" HEIGHT="'+h+'" PLAY="true" LOOP="false" QUALITY="high" MENU="false" BGCOLOR="'+b+'" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED>'
  + '<NOEMBED>' + alternateContent + '</NOEMBED></OBJECT>';

  if (hasRightVersion) {
    return flashContent;
  } else {
    return alternateContent;
  }
}