dedecms 跨域共享cookie的域名 实际方法

<?php 
require_once(dirname(__FILE__)."/config.php"); 
AjaxHead(); 
if($myurl == '') 
{ 
echo "document.write('<div id=_userlogin>');"; 
echo "document.write('<form name=userlogin action=".$GLOBALS['cfg_cmsurl']."/member/index_do.php method=POST>');"; 
echo "document.write('<input type=hidden name=fmdo value=login />');"; 
echo "document.write('<input type=hidden name=dopost value=login />');"; 
echo "document.write('<input type=hidden name=keeptime value=604800 />');"; 
echo "document.write('<div class=s1>用户名</div><div class=s2><input type=text name=userid /></div> ');"; 
echo "document.write('<div class=s1>密码</div><div class=s2><input name=pwd type=password /></div> ');"; 
echo "document.write('<div class=s1>验证码</div><div class=s2 id=s2><input name=vdcode type=text maxlength=4 /></div>');"; 
echo "document.write('<div class=simg><img src=".$GLOBALS['cfg_cmsurl']."/include/vdimgck.php width=50 height=20 /></div><div class=s3><input type=submit value=登录 /> </div>');"; 
echo "document.write('<div class=s1><a href=".$GLOBALS['cfg_cmsurl']."/member/resetpassword.php target=_blank>忘记密码？</a> <a href=".$GLOBALS['cfg_cmsurl']."/member/index_do.php?fmdo=user&dopost=regnew target=_blank><font color=#FF0000>免费注册</font></a></div>');"; 
echo "document.write('</form></div>');"; 
exit(''); 
} 
$uid = $cfg_ml->M_LoginID; 
$face = $cfg_ml->fields['face'] == '' ? $GLOBALS['cfg_memberurl'].'/images/nopic.gif' : $cfg_ml->fields['face']; 
echo "document.write('<div class=s5><b>".$cfg_ml->M_UserName."</b> 欢迎登陆XXXXXXXX！<a href=".$cfg_memberurl."/index.php>会员中心</a> | <a href=".$cfg_memberurl."/edit_fullinfo.php>帐户</a> | <a href=".$myurl.">我的Blog</a> | <a href=".$cfg_memberurl."/index_do.php?fmdo=login&dopost=exit><font color=#FF0000>退出登陆</font></a></div>');"; 
?>

<script language="javascript" type="text/javascript" src="http://你的域名/member/ajax_index_loginsta_s.php"></script>