一个javascript幻灯片无法显示的问题，什么原因？？

<script type=text/javascript>
<!--
var focus_width=282
var focus_height=205
var text_height=20
var swf_height = focus_height+text_height
 
var pics='http://imgs.soufun.com/news/2012_07/17/1342500771083.jpg|http://imgs.soufun.com/news/2012_07/17/1342500878761.jpg'
var links='http://newhouse.fs.soufun.com/house/subject.htm|http://newhouse.fs.soufun.com/house/lookhouse.htm'
var texts='看房团|看房团'document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="'+ focus_width +'" height="'+ swf_height +'">');
document.write('<param name="allowScriptAccess" value="sameDomain"><param name="movie" value="http://whbbs.soufun.com/asp/kuka/s/pixviewer.swf"><param name="quality" value="high"><param name="bgcolor" value="#DADADA">');
document.write('<param name="menu" value="false"><param name=wmode value="opaque">');
document.write('<param name="FlashVars" value="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'">');
document.write('<embed src="http://whbbs.soufun.com/asp/kuka/s/pixviewer.swf" wmode="opaque" FlashVars="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'" menu="false" bgcolor="#DADADA" quality="high" width="'+ focus_width +'" height="'+ swf_height +'" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />'); 
document.write('</object>');
//-->
</script>