Centrer animation flash sur myspace

body { margin-top: 850px; } 

.topbanner{
  position: absolute; 
  top: 0; 
  width: 850px;
  height:800px
  align: center; 
  margin-top: 0px; 
  margin-left: -400px; 
  left: 50%; 
}

</style>
<div class="topbanner">
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" height="800" width="850" align="center">
  <param name="allowScriptAccess" value="never" />
  <param name="allowNetworking" value="internal" />
  <param name="movie" value="http://s248737971.onlinehome.fr/labo/site.swf" />
  <param name="wmode" value="transparent" />
  <param name="quality" value="high" />
  <param name="scale" value="exactfit" />
<embed type="application/x-shockwave-flash" allowScriptAccess="never" allowNetworking="internal" src="http://s248737971.onlinehome.fr/labo/site.swf" height="800" width="850" align="center" wmode="transparent" quality="high" scale="exactfit" />
</object>
</div>