Javascript 判斷Flash是否載入完成

<div><span class="intro">下載進度：</span>  <div class="barborder">    <div class="bar" id="loadpercent"></div>  </div></div> 定義廣告層：<div id="showAD"></div> 　　定義FLASH顯示層：<div id="showSWF" class="show" style="display:none;">   <object id="flashgame" ......省略內容......>  </object></div> 文章來自學IT網：http://www.xueit.com/html/2010-01-04/33-1619445279781.html

<script language="javascript">    if(window.navigator.userAgent.indexOf("Firefox")>=1)//判斷是否為FIREFOX瀏覽器，FIREFOX不支援PercentLoaded()函數   {       document.getElementById("loadpercent").innerHTML= "Firefox!No Attentions";       document.getElementById("showSWF").style.display='block';    }    else   {       refreshProgress();    }     function show()//隱藏AD層、顯示FLASH層      {        document.getElementById("showAD").style.display='none';        document.getElementById("showSWF").style.display='block';      }           function refreshProgress()//重新整理進度條函數      {        var downProgressWidth=502;        var bar = document.getElementById("loadpercent");        var movie = document.getElementById("flashgame");        var nPercentLoaded = Math.abs(movie.PercentLoaded());        bar.style.width=Math.ceil(downProgressWidth*nPercentLoaded/100) +"px";        bar.innerHTML= nPercentLoaded +"%";               if(nPercentLoaded==100)        {          bar.style.width=(downProgressWidth-2) + "px"; bar.innerHTML= "Game download is complete"; show();        }        else        {          setTimeout('refreshProgress()',0);        } }