Ext.setup({
    icon: 'icon.png',
    tabletStartupScreen: 'tablet_startup.png',
    phoneStartupScreen: 'phone_startup.png',
    glossOnIcon: false,
    onReady: function() {

        var form;

        var formBase = {
            scroll : 'vertical',
            url    : 'postUser.php',
            standardSubmit : false,
            items: [
                {
                    xtype: 'fieldset',
                    title: 'Login',
                    instructions: 'Please enter your credentials',
                    defaults: {
                        required: true,
                        labelAlign: 'left',
                        labelWidth: '40%'
                    },
                    items: [
                    {
                        xtype: 'emailfield',
                        name : 'email',
                        label: 'Email',
                        placeHolder: '[email protected]',
                        useClearIcon: true
                    }, {
                        xtype: 'passwordfield',
                        name : 'password',
                        label: 'Password',
                        useClearIcon: false
                    }]
                }],
            listeners : {
                submit : function(form, result){
                    console.log('success', Ext.toArray(arguments));
                },
                exception : function(form, result){
                    this.form.close();
                    alert('Here');
                }
            },

            dockedItems: [
                {
                    xtype: 'toolbar',
                    dock: 'bottom',
                    items: [
                        {
                            text: 'Login',
                            ui: 'confirm',
                            handler: function() {
                                if(formBase.user){
                                    form.updateRecord(formBase.user, true);
                                }
                                form.submit({
                                    waitMsg : {message:'Logging in ...', cls : 'demos-loading'}
                                });
                            }
                        }
                    ]
                }
            ]
        };

        if (Ext.is.Phone) {
            formBase.fullscreen = true;
        } else {
            Ext.apply(formBase, {
                autoRender: true,
                floating: true,
                modal: true,
                centered: true,
                hideOnMaskTap: false,
                height: 385,
                width: 480
            });
        }

        form = new Ext.form.FormPanel(formBase);
        form.show();
    }
});