function pa_registrar_opciones() {
    register_setting( 'pa_opciones_theme', 'pa_opciones', 'pa_validar' );
}
 
add_action( 'admin_init', 'pa_registrar_opciones' );

$opciones = get_option('pa_opciones');

$valores_default= array(
                    'copyright' => '©2011 Timersys',
                    'logo' => 'http://tudomain.com/images/logo_placeholder.png'
              )
$opciones = get_option('pa_opciones',$valores_default)

function pa_opciones_theme() {
    add_theme_page( 'Opciones Theme', 'Opciones Theme', 'edit_theme_options', 'opciones_theme', 'pa_theme_page' );
}
 
add_action( 'admin_menu', 'pa_opciones_theme' );

function pa_theme_page() {
    global $valores_default;
 
    if ( ! isset( $_REQUEST['updated'] ) )
    $_REQUEST['updated'] = false; // Para comprobar si el formulario fue enviado o no. ?>
 
    <div>
    <?php screen_icon(); echo "<h2>". __( ' Opciones de ' ) . get_current_theme() . "</h2>";
    // Esto muestra el ícono de la página si es que tiene uno y el nombre del theme ?>
 
    <?php if ( false !== $_REQUEST['settings-updated'] ) : ?>
    <div><p><strong><?php _e( 'Opciones guardadas' ); ?></strong></p></div>
    <?php endif; // Si el formulario se envia mostramos el mensaje. ?>
 
    <form method="post" action="options.php">
 
    <?php $opciones = get_option( 'pa_opciones', $valores_default ); ?>
 
    <?php settings_fields( 'pa_opciones_theme' );
    /* Esta función imprime todos los campos hidden necesarios para que el formulario funcione correctamente */ ?>
 
    <table class="form-table">
 
    <tr valign="top"><th scope="row"><label for="logo">Logo Url</label></th>
    <td>
    <input id="theme_logo" name="pa_opciones[theme_logo]" type="text" value="<?php  esc_attr_e($opciones['theme_logo']); ?>" />
   <?php  if($opciones['theme_logo'] !='') : ?> 
        <img src="$opciones['theme_logo']" alt="logo" />
   <? endif; ?>
    </td>
    </tr>
 
    <tr valign="top"><th scope="row"><label for="favico">Favico Url</label></th>
    <td>
    <input id="theme_favico" name="pa_opciones[theme_logo]" type="text" value="<?php  esc_attr_e($opciones['theme_favico']); ?>" />
    <?php if($opciones['theme_favico'] !='') : ?> 
         <img src="$opciones['theme_favico']" alt="logo" />
    <? endif; ?>
    </td>
    </tr>
 
    <tr valign="top"><th scope="row"><label for="google_analytics">C&oacute;digo de Google Analytics</label></th>
    <td>
    <textarea id="google_analytics" name="pa_opciones[google_analytics]"><?php  esc_attr_e($opciones['google_analytics']); ?> </textarea>
    </td>
    </tr>
 
    <tr valign="top"><th scope="row"><label for="copyright">Footer Copyright</label></th>
    <td>
    <input id="footer_copyright" name="pa_opciones[copyright]" type="text" value="<?php  esc_attr_e($opciones['copyright']); ?>" />
    </td>
    </tr>
    </table>
 
   <p class="submit">
    <input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" />
    </p>
 
    </form>
 
    </div>
 
    <?php
}

function mi_barra_admin(){
    return false;
}
add_filter( 'show_admin_bar' , 'mi_barra_admin');

function mi_barra_admin($content) {
    return ( current_user_can("administrator") ) ? $content : false;
}
add_filter( 'show_admin_bar' , 'mi_barra_admin');

echo wp_title('');

<?php
function custom_login() {
echo '<link rel="stylesheet" type="text/css" href="'.get_bloginfo('stylesheet_directory').'/custom-login.css" />';
}
add_action('login_head', 'custom_login');
function the_url( $url ) {
    return get_bloginfo( 'siteurl' );
}
add_filter( 'login_headerurl', 'the_url' );
?>

h1 a {
	background: url(../images/logo-white.png) no-repeat;
}

<input size="95" type="text" name="sw_logo" value="<?php echo get_option('sw_logo'); ?>" /><input class="upload_image_button" type="button" value="Upload" />

jQuery(document).ready(function() {
 
jQuery('.upload_image_button').click(function() {
 formfield = jQuery(this).prev('input');
 tb_show('', 'media-upload.php?type=image&TB_iframe=true');
 
 return false;
 
});
 
 
window.send_to_editor = function(html) {
 imgurl = jQuery('img',html).attr('src');
 jQuery(formfield).val(imgurl);
 tb_remove();
}
 
});

function my_admin_scripts(){
 	wp_enqueue_script('media-upload');
	wp_enqueue_script('thickbox');
	wp_register_script( 'custom-upload', get_bloginfo('stylesheet_directory').'/jq/upload.js',array('jquery','media-upload','thickbox'));
    wp_enqueue_script( 'custom-upload' );
}
function my_admin_styles() {
wp_enqueue_style('thickbox');
}
 
if (isset($_GET['page']) && $_GET['page'] == 'configuracion-theme') {
add_action('admin_print_scripts', 'my_admin_scripts');
 
add_action('admin_print_styles', 'my_admin_styles');
 
}

<?php
/**
 * Traducido por http://masquewordpress.com
 * Date and Time Locale object
 *
 * @package WordPress
 * @subpackage i18n
 */
 
/**
 * Class that loads the calendar locale.
 *
 * @since 2.1.0
 */
class WP_Locale {
	/**
	 * Stores the translated strings for the full weekday names.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $weekday;
 
	/**
	 * Stores the translated strings for the one character weekday names.
	 *
	 * There is a hack to make sure that Martes and Jueves, as well
	 * as Domingo and Sabado don't conflict. See init() method for more.
	 *
	 * @see WP_Locale::init() for how to handle the hack.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $weekday_initial;
 
	/**
	 * Stores the translated strings for the abbreviated weekday names.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $weekday_abbrev;
 
	/**
	 * Stores the translated strings for the full month names.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $month;
 
	/**
	 * Stores the translated strings for the abbreviated month names.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $month_abbrev;
 
	/**
	 * Stores the translated strings for 'am' and 'pm'.
	 *
	 * Also the capalized versions.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $meridiem;
 
	/**
	 * The text direction of the locale language.
	 *
	 * Default is left to right 'ltr'.
	 *
	 * @since 2.1.0
	 * @var string
	 * @access private
	 */
	var $text_direction = 'ltr';
 
	/**
	 * Imports the global version to the class property.
	 *
	 * @since 2.1.0
	 * @var array
	 * @access private
	 */
	var $locale_vars = array('text_direction');
 
	/**
	 * Sets up the translated strings and object properties.
	 *
	 * The method creates the translatable strings for various
	 * calendar elements. Which allows for specifying locale
	 * specific calendar names and text direction.
	 *
	 * @since 2.1.0
	 * @access private
	 */
	function init() {
		// The Weekdays
		$this->weekday[0] = /* translators: weekday */ __('Domingo');
		$this->weekday[1] = /* translators: weekday */ __('Lunes');
		$this->weekday[2] = /* translators: weekday */ __('Martes');
		$this->weekday[3] = /* translators: weekday */ __('Miercoles');
		$this->weekday[4] = /* translators: weekday */ __('Jueves');
		$this->weekday[5] = /* translators: weekday */ __('Viernes');
		$this->weekday[6] = /* translators: weekday */ __('Sabado');
 
		// The first letter of each day.  The _%day%_initial suffix is a hack to make
		// sure the day initials are unique.
		$this->weekday_initial[__('Domingo')]    = /* translators: one-letter abbreviation of the weekday */ __('D_Domingo_initial');
		$this->weekday_initial[__('Lunes')]    = /* translators: one-letter abbreviation of the weekday */ __('L_Lunes_initial');
		$this->weekday_initial[__('Martes')]   = /* translators: one-letter abbreviation of the weekday */ __('M_Martes_initial');
		$this->weekday_initial[__('Miercoles')] = /* translators: one-letter abbreviation of the weekday */ __('M_Miercoles_initial');
		$this->weekday_initial[__('Jueves')]  = /* translators: one-letter abbreviation of the weekday */ __('J_Jueves_initial');
		$this->weekday_initial[__('Viernes')]    = /* translators: one-letter abbreviation of the weekday */ __('V_Viernes_initial');
		$this->weekday_initial[__('Sabado')]  = /* translators: one-letter abbreviation of the weekday */ __('S_Sabado_initial');
 
		foreach ($this->weekday_initial as $weekday_ => $weekday_initial_) {
			$this->weekday_initial[$weekday_] = preg_replace('/_.+_initial$/', '', $weekday_initial_);
		}
 
		// Abbreviations for each day.
		$this->weekday_abbrev[__('Domingo')]    = /* translators: three-letter abbreviation of the weekday */ __('Dom');
		$this->weekday_abbrev[__('Lunes')]    = /* translators: three-letter abbreviation of the weekday */ __('Lun');
		$this->weekday_abbrev[__('Martes')]   = /* translators: three-letter abbreviation of the weekday */ __('Mar');
 
		$this->weekday_abbrev[__('Miercoles')] = /* translators: three-letter abbreviation of the weekday */ __('Mie');
		$this->weekday_abbrev[__('Jueves')]  = /* translators: three-letter abbreviation of the weekday */ __('Jue');
		$this->weekday_abbrev[__('Viernes')]    = /* translators: three-letter abbreviation of the weekday */ __('Vie');
		$this->weekday_abbrev[__('Sabado')]  = /* translators: three-letter abbreviation of the weekday */ __('Sab');
 
		// The Months
		$this->month['01'] = /* translators: month name */ __('Enero');
		$this->month['02'] = /* translators: month name */ __('Febrero');
		$this->month['03'] = /* translators: month name */ __('Marzo');
		$this->month['04'] = /* translators: month name */ __('Abril');
		$this->month['05'] = /* translators: month name */ __('Mayo');
		$this->month['06'] = /* translators: month name */ __('Junio');
		$this->month['07'] = /* translators: month name */ __('Julio');
		$this->month['08'] = /* translators: month name */ __('Agosto');
		$this->month['09'] = /* translators: month name */ __('Septiembre');
		$this->month['10'] = /* translators: month name */ __('Octubre');
		$this->month['11'] = /* translators: month name */ __('Noviembre');
		$this->month['12'] = /* translators: month name */ __('Diciembre');
 
		// Abbreviations for each month. Uses the same hack as above to get around the
		// 'Mayo' duplication.
		$this->month_abbrev[__('Enero')] = /* translators: three-letter abbreviation of the month */ __('Ene_Enero_abbreviation');
		$this->month_abbrev[__('Febrero')] = /* translators: three-letter abbreviation of the month */ __('Feb_Febrero_abbreviation');
		$this->month_abbrev[__('Marzo')] = /* translators: three-letter abbreviation of the month */ __('Mar_Marzo_abbreviation');
		$this->month_abbrev[__('Abril')] = /* translators: three-letter abbreviation of the month */ __('Abr_Abril_abbreviation');
		$this->month_abbrev[__('Mayo')] = /* translators: three-letter abbreviation of the month */ __('May_Mayo_abbreviation');
		$this->month_abbrev[__('Junio')] = /* translators: three-letter abbreviation of the month */ __('Jun_Junio_abbreviation');
		$this->month_abbrev[__('Julio')] = /* translators: three-letter abbreviation of the month */ __('Jul_Julio_abbreviation');
		$this->month_abbrev[__('Agosto')] = /* translators: three-letter abbreviation of the month */ __('Ago_Agosto_abbreviation');
		$this->month_abbrev[__('Septiembre')] = /* translators: three-letter abbreviation of the month */ __('Sep_Septiembre_abbreviation');
		$this->month_abbrev[__('Octubre')] = /* translators: three-letter abbreviation of the month */ __('Oct_Octubre_abbreviation');
		$this->month_abbrev[__('Noviembre')] = /* translators: three-letter abbreviation of the month */ __('Nov_Noviembre_abbreviation');
		$this->month_abbrev[__('Diciembre')] = /* translators: three-letter abbreviation of the month */ __('Dic_Diciembre_abbreviation');
 
		foreach ($this->month_abbrev as $month_ => $month_abbrev_) {
			$this->month_abbrev[$month_] = preg_replace('/_.+_abbreviation$/', '', $month_abbrev_);
		}
 
		// The Meridiems
		$this->meridiem['am'] = __('am');
		$this->meridiem['pm'] = __('pm');
		$this->meridiem['AM'] = __('AM');
		$this->meridiem['PM'] = __('PM');
 
		// Numbers formatting
		// See http://php.net/number_format
 
		/* translators: $thousands_sep argument for http://php.net/number_format, default is , */
		$trans = __('number_format_thousands_sep');
		$this->number_format['thousands_sep'] = ('number_format_thousands_sep' == $trans) ? ',' : $trans;
 
		/* translators: $dec_point argument for http://php.net/number_format, default is . */
		$trans = __('number_format_decimal_point');
		$this->number_format['decimal_point'] = ('number_format_decimal_point' == $trans) ? '.' : $trans;
 
		// Import global locale vars set during inclusion of $locale.php.
		foreach ( (array) $this->locale_vars as $var ) {
			if ( isset($GLOBALS[$var]) )
				$this->$var = $GLOBALS[$var];
		}
 
	}
 
	/**
	 * Retrieve the full translated weekday word.
	 *
	 * Week starts on translated Domingo and can be fetched
	 * by using 0 (zero). So the week starts with 0 (zero)
	 * and ends on Sabado with is fetched by using 6 (six).
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param int $weekday_number 0 for Domingo through 6 Sabado
	 * @return string Full translated weekday
	 */
	function get_weekday($weekday_number) {
		return $this->weekday[$weekday_number];
	}
 
	/**
	 * Retrieve the translated weekday initial.
	 *
	 * The weekday initial is retrieved by the translated
	 * full weekday word. When translating the weekday initial
	 * pay attention to make sure that the starting letter does
	 * not conflict.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string $weekday_name
	 * @return string
	 */
	function get_weekday_initial($weekday_name) {
		return $this->weekday_initial[$weekday_name];
	}
 
	/**
	 * Retrieve the translated weekday abbreviation.
	 *
	 * The weekday abbreviation is retrieved by the translated
	 * full weekday word.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string $weekday_name Full translated weekday word
	 * @return string Translated weekday abbreviation
	 */
	function get_weekday_abbrev($weekday_name) {
		return $this->weekday_abbrev[$weekday_name];
	}
 
	/**
	 * Retrieve the full translated month by month number.
	 *
	 * The $month_number parameter has to be a string
	 * because it must have the '0' in front of any number
	 * that is less than 10. Starts from '01' and ends at
	 * '12'.
	 *
	 * You can use an integer instead and it will add the
	 * '0' before the numbers less than 10 for you.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string|int $month_number '01' through '12'
	 * @return string Translated full month name
	 */
	function get_month($month_number) {
		return $this->month[zeroise($month_number, 2)];
	}
 
	/**
	 * Retrieve translated version of month abbreviation string.
	 *
	 * The $month_name parameter is expected to be the translated or
	 * translatable version of the month.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string $month_name Translated month to get abbreviated version
	 * @return string Translated abbreviated month
	 */
	function get_month_abbrev($month_name) {
		return $this->month_abbrev[$month_name];
	}
 
	/**
	 * Retrieve translated version of meridiem string.
	 *
	 * The $meridiem parameter is expected to not be translated.
	 *
	 * @since 2.1.0
	 * @access public
	 *
	 * @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
	 * @return string Translated version
	 */
	function get_meridiem($meridiem) {
		return $this->meridiem[$meridiem];
	}
 
	/**
	 * Global variables are deprecated. For backwards compatibility only.
	 *
	 * @deprecated For backwards compatibility only.
	 * @access private
	 *
	 * @since 2.1.0
	 */
	function register_globals() {
		$GLOBALS['weekday']         = $this->weekday;
		$GLOBALS['weekday_initial'] = $this->weekday_initial;
		$GLOBALS['weekday_abbrev']  = $this->weekday_abbrev;
		$GLOBALS['month']           = $this->month;
		$GLOBALS['month_abbrev']    = $this->month_abbrev;
	}
 
	/**
	 * PHP4 style constructor which calls helper methods to set up object variables
	 *
	 * @uses WP_Locale::init()
	 * @uses WP_Locale::register_globals()
	 * @since 2.1.0
	 *
	 * @return WP_Locale
	 */
	function WP_Locale() {
		$this->init();
		$this->register_globals();
	}
	/**
	 * Checks if current locale is RTL.
	 *
	 * @since 3.0.0
	 * @return bool Whether locale is RTL.
	 */
	 function is_rtl() {
	 	return 'rtl' == $this->text_direction;
	 }
}
 
/**
 * Checks if current locale is RTL.
 *
 * @since 3.0.0
 * @return bool Whether locale is RTL.
 */
function is_rtl() {
	global $wp_locale;
	return $wp_locale->is_rtl();
}
 
?>