窗口对象及窗口分组

/*//窗口对象
   Ext.onReady(
    function()
    {
     var form = new Ext.form.FormPanel(
              { baseCls: 'x-plain',
               layout:'absolute',
               url:'save-form.php',
               defaultType: 'textfield',
               items:[ {x: 0, y: 5,xtype:'label',text: 'Send To:'},
                 {x: 60, y: 0, name: 'to',anchor:'100%'},  // anchor width by percentage
                 {x: 0, y: 35, xtype:'label',text: 'Subject:'},
                 {x: 60, y: 30, name: 'subject',anchor: '100%'},  // anchor width by percentage
                 {x:0, y: 60,xtype: 'textarea',name: 'msg',anchor: '100% 100%'}  // anchor width and height
                ]
              }
             );

     var window = new Ext.Window
     (
      {
       title: 'Resize Me',
       width: 500,
       height:300,
       minWidth: 300,
       minHeight: 200,
       layout: 'fit',
       plain:true,
       bodyStyle:'padding:5px;',
       buttonAlign:'center',
       items: form,
       buttons:[{text: 'Send'},{text: 'Cancel'}]
      }
     );

     window.show();
    }
   );*/
   
   /*//窗口对象--分组
   Ext.onReady(
    //窗口对象
    function()
    {
     mygroup=new Ext.WindowGroup();
     Ext.get("popWindow").on("click",newWin);
     Ext.get("sendToBack").on("click",toBack);
     Ext.get("hideAll").on("click",hideAll);     
    } 
   )
   var i=0,mygroup;  
   function newWin()
   {
    var win=new Ext.Window({title:'窗口'+i++,width:400,height:300,maximizable:true,manager:mygroup});
    win.show();
   }
   function toBack()
   {
    mygroup.sendToBack(mygroup.getActive());
   }
   function hideAll()
   {
    mygroup.hideAll();
   }*/