swfobject
<script type="text/javascript" src="http://synth.jp/pg/js/swfobject.js"></script> <div id="flashcontent"> This text is replaced by the Flash movie. </div> <script type="text/javascript"> var so = new SWFObject("http://synth.jp/pg/swf/test.swf?format=raw", "mymovie", "200", "200", "7", "#ffffff"); so.write("flashcontent"); </script>