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="849" height="145"'
    + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
    + '<param name="movie" value="flash_swf/flash_thorotread4.swf" /><param name="quality" value="high" /><param name="bgcolor" value="#f4f1e7" /><param name="wmode" value="transparent" />'
    + '<embed src="flash_swf/flash_thorotread4.swf" wmode="transparent" quality="high" bgcolor="#f4f1e7" '
    + 'width="849" height="145" name="photo_gallery" align="middle"'
    + 'play="true"'
    + 'loop="false"'
    + '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 = ''
  	+ ''
   	+ '';
    document.write(alternateContent);  // insert non-flash content
  }