//得到自身URL后的参数:用户名
loadVariables("", u);
uname.text=u;

htm:

var fla='';
fla+='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="250" height="80" id="ajax" align="middle">';
fla+='<param name="allowScriptAccess" value="sameDomain" />';
fla+='<param name="movie" value="ajax.swf?m='+Math.round(Math.random() * 10000).toString()+'&u=ikmb" /><param name="quality" value="high" /><param name="bgcolor" value="#ffffff" /><embed src="ajax.swf" quality="high" bgcolor="#ffffff" width="250" height="80" name="ajax" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
fla+='</object>';
document.write(fla);