//记住用户名密码
  function saveInfo(){

      var loginId=document.getElementById("loginId").value;
        //loginId = cTrim(loginId,0);

        var password=document.getElementById("password").value;
      var date=new Date();
        date.setTime(date.getTime()+365*24*3600*1000);
        setCookie("loginId",loginId,date);
        setCookie("password",password,date);
      }
      
    function setFocus(){
        var userId = getCookieValue("loginId");
        var ischeck = getCookieValue("che");
        if(userId!=null){        
            document.getElementById("loginId").value=userId;
        }
        if(document.getElementById("loginId").value==""){
            document.getElementById("loginId").focus();
        }else{
            document.getElementById("password").focus();
        }
        if(ischeck == "1"){
            document.getElementById("che").checked=true;
        }else{
            document.getElementById("che").checked=false;
        }
    }
    function reset()
    {
          document.getElementById("loginId").value='';
          document.getElementById("password").value='';
          document.getElementById("loginId").focus(true,true);
    }
  function login(){
      //saveInfo();
        var loginId=document.getElementById("loginId").value;
            loginId = cTrim(loginId,0).toLowerCase();
        var password=document.getElementById("password").value;
        var ch=document.getElementsByName("che");
        var l=ch.length;
        var date=new Date();
        for(var n=0;n<l;n++){
            if(ch[n].checked){
                date.setTime(date.getTime()+365*24*3600*1000);
                setCookie("loginId",loginId,date);
                setCookie("che","1",date);
            }else{
                date.setTime(date.getTime()+365*24*3600*1000);
                clearCookie("loginId");
                setCookie("che","2",date);
            }
        }
        
     if(loginId==''||password==''){
            Ext.Msg.alert('登录','请正确填写用户名或密码！');
            if(loginId == ''){
                document.getElementById("loginId").focus();
                return;
            }
            if(password == ''){
                document.getElementById("password").focus();
            }
            return ;
        }
     
        Ext.Ajax.request({
            url:'<c:url value="/login/validate.do"/>',
            params:{loginId:loginId,password:password},
            method:'POST',
            clientValidation:true    ,
            success:function(form,action){
                var responseObject=form.responseText;
                var items={};
                try{
                 items=Ext.decode(responseObject);
                }catch(e){
                if(form.responseText.indexOf("failure :true")!=-1){
                        items.success=false;
                        items.info='连接数据库失败，请联系管理员！';
                     }
                    }
                if(items.success){
                    <%String value = UtilResource.getPropertyInCache("config/organise",
                    "organise.loginSuccess");
            pageContext.setAttribute("value", value);%>
                  window.location.href="<gtp:url/>/webbjkys/default.jsp";
                }else{
                    Ext.Msg.alert('登录',items.info);
                   document.getElementById("password").focus();
                }
            },
            failure:function(form,action){
                Ext.Msg.alert('登录','连接数据库失败，请联系管理员！');
             }
        });

  }

你要说出来提示什么错误啊

object reuqired 这种提示。

 我个人认为亦可能是这个错了           
没有带标签过去的吧
 url:'<c:url value="/login/validate.do"/>',