为何该脚本在ie中可显示但是在firefox中该flash显示不出图片呢？

Question

<SCRIPT language=JavaScript type=text/javascript>
function FocusPic()
{   
var focus_width=300;
var focus_height=200;
var text_height=0;
var swf_height = focus_height+text_height;
var texts="";
var html = new Array();
html.push('<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 +'">');
html.push('<param name="allowScriptAccess" value="sameDomain"><param name="movie" value="http://image.chinahr.com/index/vip/pix.swf"><param name="quality" value="high"><param name="bgcolor" value="#F0F0F0">');
html.push('<param name="menu" value="false"><param name=wmode value="opaque">');
html.push('<param name="FlashVars" value="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'& target=_black">');
html.push('<embed src="/image/flashwindow" wmode="opaque" FlashVars="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'" menu="false" bgcolor="#F0F0F0" quality="high" width="'+ focus_width +'" height="'+ swf_height +'" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
html.push('</object>');
document.getElementById("div1").innerHTML = html.join("");
}
</SCRIPT>
<DIV id=div1></DIV>
<SCRIPT language=javascript type=text/javascript> // promos + links
prmo = new Array();
link = new Array();//加载图片信息
            prmo[0]="339.jpg";
            link[0]="http://www.163.com";
prmo[1]="502.jpg";
            link[1]="http://www.163.com";
prmo[2]="375.jpg";
            link[2]="http://www.163.com";
prmo[3]="397.jpg";
            link[3]="http://www.163.com";

            //init
promos = "";
links = "";// build flashvars
for (x=0;x<prmo.length;x++) {
 promos += (x+1<prmo.length) ? prmo[x]+"|" : prmo[x];
 links += (x+1<prmo.length) ? link[x]+"|" : link[x];
}       
            
var pics=promos;
var links=links;
FocusPic();
</SCRIPT>