the code is
<object width="425" height="344">
<param name="movie" value="http://www.youtube.com/v/JsujaaB4x4w&hl=en&fs=1"></param>
<param name="allowFullScreen" value="true"/>
<param name="wmode" value="transparent">
<param name="allowscriptaccess" value="always"/>
<embed src="transparent.swf" type="application/x-shockwave-flash" width="425" height="344" hidden="true" wmode="transparent" id='ppop'></embed>
<embed src="1.swf" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344" wmode="transparent" ></embed>
</object>
the transparent.swf can not hide