extjs tree 在ie下偶尔报错刷新一下后可能就好了，在火狐下都正常


setTimeout(function() {
Ext.get('loading').remove();
Ext.get('loading-mask').fadeOut({remove:true});
}, 2000); //得到用户ID
 load();//--设置一些共有参数
Ext.BLANK_IMAGE_URL="Images/s.gif";
Ext.QuickTips.init();
///=================================================头部
var top=new Ext.BoxComponent({
        el:"top",
        height:30
    });//------------------------------------------north设置
var north=new Ext.Panel({
        border:false,
        region:"north",
        height:30,
        items:[top]
    });
//----------------------------------------------左边
var root=new Ext.tree.AsyncTreeNode({
        id:rootsid,
        text:"",
        loader:new Ext.tree.TreeLoader({
            url:"DATA/Dtree.aspx",
            listeners:{
                "beforeload":function(treeloader,node)
                {
                        treeloader.baseParams={
                        id:node.id,
                        method:'POST'
                        };
                }
            }
        })
    });
    
   
    
var treenode=new Ext.tree.TreePanel({
    //如果超出范围带自动滚动条
    autoScroll:false,
    animate:true,
    root:root,
    //默认根目录不显示
    rootVisible:false,
    border:false,
    animate:true,
    lines:true,
    enableDD:true,
   containerScroll:false,
    listeners:
    {
        "click":function(node,event)
        {
            //叶子节点点击不进入链接
            if (node.isLeaf()) {
    // 显示叶子节点菜单
    event.stopEvent();
ALLEvents(node);
    } else {
        //不是叶子节点不触发事件
    event.stopEvent();
    //点击时展开
    node.toggle();
   }          
        }
    }
    
});//加载时自动展开根节点
//treenode.getRootNode().toggle();
treenode.expandAll();
//添加左边
var west=new Ext.Panel({
    //自动收缩按钮 
    collapsible:true,
    border:false,
    width:225,
    layout:"accordion",
    extraCls:"roomtypegridbbar",
     //添加动画效果
    layoutConfig: {
        animate: true
    },
    region:"west",
    title:'左导航',
    //
    items:[{
        title:"<b>导航栏</b>",
        autoScroll:true,
        iconCls:"hotelmanageicon",
        items:[treenode]
    }]
  
});
//-------------------------------------------------------右边
var east=new Ext.Panel({
    layout:"accordion",
     //自动收缩按钮
    collapsible:true,
    layoutConfig: {
        animate: true
    },
    border:false,
    width:204,
    region:"east",
    items:[{
         title:"<b>个人信息</b>",
         autoScroll:true,
         items:[p2]
    },{
        iconCls:"gonggao",
        title:"<b>最新消息</b>",
        items:[publishinfosgrid]
    }]
});
//右边自动隐藏
//east.hide();//-------------------------------------------------中间var center=new Ext.TabPanel({
    //距两边间距
    style:"padding:0 0 0 0",
    region:"center",
    //默认选中第一个
    activeItem:0,
    //如果Tab过多会出现滚动条
    enableTabScroll:true,
    //加载时渲染所有
    //deferredRender:false,
    layoutOnTabChange:true,
    items:[{
        xtype:"panel",
id:"index",
iconCls:"indexicon",
        title:"Home Page",
        html:"<iframe src='HomePage.aspx' scrolling='no' frameborder=0 width=100% height=100%></iframe>"
    }],plugins: new Ext.ux.TabCloseMenu()
    });var botton=new Ext.BoxComponent({
    el:"botton",
    height:40
});var south=new Ext.Panel({
    border:false,
    region:"south",
    height:40,
    items:[botton]
});Ext.onReady(function(){
    var vp=new Ext.Viewport({
        layout:"border",
        items:[north,south,east,west,center]
    });
});