图片变化显示效果改成动态读取路径后的显示问题

http://sports.sohu.com/
----------------------------------
<SCRIPT type=text/javascript>
<!--
var focus_width=240
var focus_height=190
var text_height=21
var swf_height = focus_height+text_height

var pics='http://photocdn.sohu.com/20051227/Img241155261.jpg|http://photocdn.sohu.com/20051227/Img241147314.jpg|http://photocdn.sohu.com/20051227/Img241145471.jpg'
var links='http://sports.sohu.com/20051227/n241154692.shtml|http://sports.sohu.com/1/1203/47/subject217104782.shtml|http://sports.sohu.com/xixing.shtml'
var texts='湖人连败 科比31分|朱家军破门无术 0-1不敌纳瓦拉联队|孙继海首发打满全场 曼城一球惜败维冈|周建安接替邸安和出任中国男排主帅|组图：莎拉波娃化妆前后全过程' 
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://business.sohu.com/upload/focus.swf"> <param name="quality" value="high"><param name="bgcolor" value="#CCCCCC">');
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://business.sohu.com/upload/focus.swf" wmode="opaque" FlashVars="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'" menu="false" bgcolor="#ffffff" 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>