var hasRightVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
if(hasRightVersion) {  // if we've detected an acceptable version
    var oeTags = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'
    + 'width="160" height="160"'
    + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
    + '<param name="movie" value="laura.swf" /><param name="quality" value="high" /><param name="bgcolor" value="#ffffff" />'
    + '<embed src="laura.swf" quality="high" bgcolor="#ffffff" '
    + 'width="160" height="160" name="laura" align="middle"'
    + 'play="true"'
    + 'loop="true"'
    + 'quality="high"'
    + 'allowScriptAccess="sameDomain"'
    + 'type="application/x-shockwave-flash"'
    + 'pluginspage="http://www.macromedia.com/go/getflashplayer">'
    + '<\/embed>'
    + '<\/object>';
    document.write(oeTags);   // embed the flash movie
  } else {  // flash is too old or we can't detect the plugin
    var alternateContent = '<img src="images/speech.jpg" width="160" height="160" alt="Laura Bruni at the Labour Party Conference" />';
    document.write(alternateContent);  // insert non-flash content
  }