网页内容:<script>
document.write("<IFRAME name=ccc id=ccc MARGINHEIGHT=0 MARGINWIDTH=0 FRAMEBORDER=0 WIDTH=500 HEIGHT=500 SCROLLING=NO SRC='about:blank'></IFRAME>")<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="280" height="80">
    <param name="movie" value="zzz.swf" />
    <param name="quality" value="high" />
    <embed src="zzz.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="280" height="80"></embed>
</object>flash内容:
getURL("JavaScript:document.getElementById('ccc').src='http://www.baidu.com'");
这样会无效,请问怎么回事?Flash