如何让 flash 失去焦点，然后才可以让页面接受javascript事件！

<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
function document_onkeydown() {
alert("sss");
document.focus();
 
if (event.keyCode ==65)
{
// window.location="http://www.sina.com.cn";
}
}//-->
</SCRIPT>
<SCRIPT LANGUAGE=javascript FOR=document EVENT=onkeypress>
<!--//-->
</SCRIPT>
<SCRIPT LANGUAGE=javascript FOR=document EVENT=onfocusout>
<!--
 
//-->
</SCRIPT>
<SCRIPT LANGUAGE=javascript FOR=document EVENT=onkeydown>
<!--
 document_onkeydown()
//-->
</SCRIPT>
</head><body onload="" bgcolor="#FFFFFF" text="#000000">
请按a
<p> 
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="634" height="200">
    <param name=movie value="http://ad4.sina.com.cn/lyw/runjie468x95_home.swf">
    <param name=quality value=high>
    <embed src="http://ad4.sina.com.cn/lyw/runjie468x95_home.swf" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="634" height="200">
    </embed> 
  </object> </p>
<script language="JavaScript">

</script></body>
</html>