Try to use <object> tag
Code:
<div align="center">
<object type="application/x-shockwave-flash" data="./clientscript/mediaplayer4/player.swf" id="player2" height="360" width="640">
<param name="movie" value="./clientscript/mediaplayer4/player.swf">
<param name="FlashVars" value="&file={param}">
<param name="quality" value="best">
<param name="menu" value="false">
<param name="wmode" value="transparent">
</object>
</div>
Download a new version of JW Player here (4.3)
I use folder Clientscript to storage jw player JS on my site so depend on you put change the url "./clientscript/mediaplayer4" to fit your
good luck !!!