[4.1.3] emptyText doesn't show properly in Firefox and IE

[cwtuan]

Ext version tested:

• Ext 4.1.3

Browser versions tested against:

• IE 8
• FF 18.0
• Chrome 24

Description:

• When the text field get focused and the value is empty, emptyText doesn't show properly in Firefox and IE.
• IE doesn't show emptyText at all.
• Firefox show emptyText but the text is not grayed out.
• emptyText.png

Test code:

Ext.create('Ext.form.Panel', {
    title: 'Contact Info',
    width: 300,
    bodyPadding: 10,
    renderTo: Ext.getBody(),
    items: [{
        emptyText: 'input your name',
        xtype: 'textfield',
        name: 'name',
        fieldLabel: 'Name'
    }]
}); 

[evant]

FYI, this is a dupe of http://www.sencha.com/forum/showthread.php?246917