메시지 창 설정

// Basic alert:
Ext.Msg.alert('Status', 'Changes saved successfully.');

// Prompt for user data and process the result using a callback:
Ext.Msg.prompt('Name', 'Please enter your name:', function(btn, text){
    if (btn == 'ok'){
        // process text value and close...
    }
});

// Show a dialog using config options:
Ext.Msg.show({
   title:'Save Changes?',
   msg: 'You are closing a tab that has unsaved changes. Would you like to save your changes?',
   buttons: Ext.Msg.YESNOCANCEL,
   fn: processResult,
   animEl: 'elId',
   icon: Ext.MessageBox.QUESTION
});


















processResult 는 javascript function명 참조: http://extjs.com/deploy/dev/docs/