function doLogin(contextPath){
  var name=$F('email');
  var pwd =$F('password');
  if(name=='' || pwd ==''){
    alert('邮箱/密码必须填写完整');
    return;
  }

  var url = contextPath+"/login.do";
  var params = "email="+name+"&password="+pwd+"&flag=0";
  //alert(url+";"+params);
  var myAjax = new Ajax.Request(url,{
    method:'post',
    parameters:params,
    onSuccess:function showResponse(originalRequest){
              var xmlObj = originalRequest.responseXML;
              var login = xmlObj.getElementsByTagName("login")[0];
              //alert(originalRequest.responseText);
              if(login!=null){
                var msg = xmlObj.getElementsByTagName("success")[0].firstChild.nodeValue;
                //alert(msg);
                if(msg=='true'){
                  var nick = xmlObj.getElementsByTagName("nickname")[0].firstChild.nodeValue;
                  var time = xmlObj.getElementsByTagName("time")[0].firstChild.nodeValue;
                  var em= xmlObj.getElementsByTagName("email")[0].firstChild.nodeValue;
                  //alert(nick+";"+time+";"+em);
                  
            //var s = " <div><img src=\""+contextPath+"/images/dot.gif\" width=\"153\" height=\"8\" /></div>";
			        var s = " <div style=\"padding-top:8px;\"><span class=\"orange-bold\">"+nick+"，您好！</span></div>";
			           s += " <div style=\"padding-top:8px;\">上次登陆时间："+time+"</div>";
			           s += " <div style=\"padding-top:8px;\">[积分查询]  [<a href=\""+contextPath+"/web/members/updateMembers.do\" target=\"_blank\">用户中心</a>]</div>";
			           s += " <div><img src=\""+contextPath+"/images/dot.gif\" width=\"153\" height=\"8\" /></div>";
			           s += " <div style=\"padding-top:5px;\"><a href=\"#this\" class=\"white-bold\" onClick=\"javascript:doLogout('"+contextPath+"');\">[退出]</a></div>";
                 
                  //alert(s);
                  //alert($('login').innerHTML);
                  $('login').innerHTML = s;
                }else{
                  alert(msg);
                }

              }else{
                alert('系统超时，请稍后重试');
              }
    }
  });
}

function doLogout(contextPath){
  var url = contextPath+"/logout.do";
  var s= "<div style=\"padding-top:8px;\"><span class=\"white-bold\">邮 箱</span>&nbsp;<input type=\"text\" name=\"email\" class=\"input-blue\"  style=\"width:100px;\" /></div>"+
        "<div style=\"padding-top:8px;\"><span class=\"white-bold\">密 码</span>&nbsp;<input type=\"password\" name=\"password\" maxlength=\"15\" class=\"input-blue\" style=\"width:100px;\" /></div>"+
        "<div style=\"padding-top:8px;\"><input type=\"button\" class=\"button-blue\" value=\"登录\"  onClick=\"doLogin('"+contextPath+"');\"/></div>"+
        "<div><img src=\""+contextPath+"/images/dot.gif\" width=\"153\" height=\"8\" /></div>"+
        "<div style=\"padding-top:5px;\"><a href=\""+contextPath+"/members/register.do\" target=\"_register\" class=\"white-bold\">注册</a>&nbsp;<span class=\"white-bold\">|</span>&nbsp;<a href=\""+contextPath+"/members/getpassword.do\" target=\"_register\" class=\"white-bold\">忘记密码</a></div>";
  var myAjax = new Ajax.Request(url,{
      method:'get',      
      onSuccess:function showResponse(originalRequest){
                var msg = originalRequest.responseText; //alert(msg);                
                if(msg==0){
                 $('login').innerHTML = s;
                }

      }
    });  
}