/indra/newview/skins/default/xui/en/panel_snapshot_postcard.xml

<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<panel
 height="380"
 layout="topleft"
 name="panel_snapshot_postcard"
 width="490">
    <string
     name="default_subject">
        Postcard from [SECOND_LIFE].
    </string>
    <string
     name="default_message">
        Check this out!
    </string>
    <string
     name="upload_message">
        Sending...
    </string>
    <icon
     follows="top|left"
     height="18"
     image_name="Snapshot_Email"
     layout="topleft"
     left="12"
     mouse_opaque="true"
     name="title_icon"
     top="5"
     width="18" />
    <text
     follows="top|left|right"
     font="SansSerifBold"
     height="20"
     layout="topleft"
     left_pad="12"
     length="1"
     name="title"
     right="-10"
     text_color="white"
     type="string"
     top_delta="3">
        Email
    </text>
    <button
     follows="right|top"
     height="23"
     is_toggle="true"
     label="Message"
     layout="topleft"
     name="message_btn"
     right="-82"
     top_delta="-7"
     width="70">
      <button.commit_callback
       function="Postcard.Message" />
    </button>
    <button
     follows="right|top"
     height="23"
     is_toggle="true"
     label="Settings"
     layout="topleft"
     name="settings_btn"
     top_delta="0"
     right="-10"
     width="70">
      <button.commit_callback
       function="Postcard.Settings" />
    </button>
    <view_border 
     bevel_style="in"
     follows="left|top|right" 
     height="1"
     left="10"
     layout="topleft"
     name="hr"
     right="-10"
     top_pad="5"
     />
    <panel_container
     follows="all"
     height="340"
     layout="topleft"
     left="0"
     name="postcard_panel_container"
     default_panel_name="panel_postcard_message"
     top_pad="10"
     width="490">
      <panel
       follows="all"
       layout="topleft"
       name="panel_postcard_message"
       filename="panel_postcard_message.xml" />
      <panel
       follows="all"
       layout="topleft"
       name="panel_postcard_settings"
       filename="panel_postcard_settings.xml" />
    </panel_container>
</panel>