<HEADER>

<div id="flashbg">
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="950" height="400">
<param name="movie" value="http://ns2.barton.hu/allods-online/public_html/templates/ja_zeolite/images/headerflash.swf" />
<param name="quality" value="high" />
<embed src="http://ns2.barton.hu/allods-online/public_html/templates/ja_zeolite/images/headerflash.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="950" height="400"></embed>
</object>
</div>


<div id="ja-header" class="clearfix">
<?php if ($this->countModules('user4')) { ?>
<?php } ?>

<div id="ja-col2">
<div class="loginhdr" >
<jdoc:include type="modules" name="loginheader" style="rounded" />
</div></div>



<MAIN NAV>

<?php if ($tmpTools->getParam('ja_menu') != 'none') : ?>
<div id="ja-mainnavwrap">

<div id="ja-mainnav" class="clearfix">
<jdoc:include type="modules" name="hornav" style="raw" />
</div>

</div>
<?php endif; ?>
<MAIN NAV>

</div>
<HEADER>


itt meg a css:
#flashbg {
z-index: 1;
position: relative;
margin: 0px;
}

#ja-header {
line-height: normal;
position: relative;
margin-bottom: 0px;
z-index: 2;
height: 400px;
}