echo '<div class="default-header">';
echo '<label><input name="default-header" type="radio" value="' . esc_attr( $header_key ) . '" ' . checked( $header_url, get_theme_mod( 'header_image' ), false ) . ' />';
$width = '';
if ( !empty( $header['attachment_id'] ) )
$width = ' width="230"';
echo '<div class="default-header">';
echo '<label><input name="default-header" type="radio" value="' . esc_attr( $header_key ) . '" ' . checked( $header_url, get_theme_mod( 'header_image' ), false ) . ' />';
$width = '';
if ( !empty( $header['attachment_id'] ) )
$width = ' width="230"';