2.1/samples/mail/src/com/google/gwt/sample/mail/client/TopPanel.ui.xml

<!DOCTYPE ui:UiBinder 
  SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent"
>
<ui:UiBinder
  xmlns:ui='urn:ui:com.google.gwt.uibinder'
  xmlns:g='urn:import:com.google.gwt.user.client.ui'
  xmlns:mail='urn:import:com.google.gwt.sample.mail.client'>

  <ui:image field='logo' src='logo.png'/>

  <!-- IE6 cannot handle transparent png, which is what ImageResource creates -->
  <ui:data field='logoIe6Data' src='logo_ie6.gif' />

  <ui:style>

  .statusDiv {
    text-align: right;
    margin: 1em;
  }

  .linksDiv {
    text-align: right;
  }

  @if user.agent ie6 {
    @url logoIe6 logoIe6Data;
    .logo {
      background-image: logoIe6;
      width: 140px;
      height: 75px;
      position: absolute;
    }
  } @else {
    @sprite .logo {
      gwt-image: 'logo';
      position: absolute;
    }
  }
  </ui:style>

  <g:HTMLPanel>
    <div class='{style.logo}'/>

    <div class="{style.statusDiv}">
      <div>
        <b>Welcome back, foo@example.com</b>
      </div>

      <div class='{style.linksDiv}'>
        <g:Anchor href='javascript:;' ui:field='signOutLink'>Sign Out</g:Anchor>
        &nbsp;
        <g:Anchor href='javascript:;' ui:field='aboutLink'>About</g:Anchor>
      </div>
    </div>
  </g:HTMLPanel>
</ui:UiBinder>