你是要改变整个flash文件的透明度吗?
通常将button设在flash中可以更方便的改变每个move clip的透明度

解决方案 »

  1.   

    to zhfkiller(杀手) 小朋友,,我是说JS不是说FLASH
      

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    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <title>无标题文档</title>
    <script language="JavaScript" type="text/JavaScript">
    <!--
    function MM_reloadPage(init) {  //reloads the window if Nav4 resized
      if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
        document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
      else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
    }
    MM_reloadPage(true);
    //-->
    </script>
    </head><body>
    <div id="Layer2" style="position:absolute; width:200px; height:115px; z-index:2; left: 192px; top: 85px;">dddddsdfasfsadf</div>
    <div id="Layer1" style="position:absolute; width:171px; height:115px; z-index:3; filter:Alpha(Opacity=20); left: 103px; top: 58px;"> 
      <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="186" height="180">
        <param name="movie" value="3d.swf">
        <param name="quality" value="high">
        <param name="BGCOLOR" value="#FF00FF">
        <param name="wmode" value="transparent">
        <embed src="3d.swf" width="186" height="180" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" bgcolor="#FF00FF"></embed></object>
    </div>
    </body>
    </html>
      

  3.   

    最主要加这句<param name="wmode" value="transparent">