<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/fondopantalla"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@drawable/fondo_secundario"
    android:orientation="vertical" >

    <WebView
        android:id="@+id/mainwebview"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"/>
</LinearLayout>