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<?php

//Set the background image for the subpage masthead area
$background_image = '';
if ( (has_post_thumbnail()) && (is_page()) ) {
	$image_url = wp_get_attachment_image_src(get_post_thumbnail_id(),'full', true);
	$background_image = $image_url[0];
} else {
	$background_image = v_get_random_theme_bg();
}

?>
<div id="subpage-masthead" style="background-image: url(<?php echo $background_image; ?>)"><div class="page-wrapper"><h1 class="page-title"><?php

		// PAGE & POST TITLE
			// Protected Post Prefix
				if ( !empty( $post->post_password ) ) _e( 'Protected: ' , 'skivvy' ); 

			// Private Post Prefix
				if ( get_post_status ( $ID ) == 'private' ) _e( 'Private: ' , 'skivvy' );

			// Title Generator
					if ( is_home()       ) : echo get_the_title( get_option( 'page_for_posts' ) );
				elseif ( is_post_type_archive() ) : post_type_archive_title();
				elseif ( is_day()        ) : printf( __( 'Day: %s', 'skivvy' ), get_the_date() );
				elseif ( is_month()      ) : printf( __( 'Month: %s', 'skivvy' ), get_the_date( 'F Y' ) );
				elseif ( is_year()       ) : printf( __( 'Year: %s', 'skivvy' ), get_the_date( 'Y' ) );
				elseif ( is_tax()        ) : $term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) ); echo $term->name;
				elseif ( is_tag()        ) : single_tag_title();
				elseif ( is_category()   ) : single_cat_title();
				elseif ( is_author()     ) : printf( __( 'Posts by %s', 'skivvy' ), sprintf( '<span class="vcard"><a href="%1$s" rel="me">%2$s</a></span>', esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ), get_the_author() ) );
				elseif ( is_archive()    ) : echo get_the_title( get_option( 'page_for_posts' ) );
				elseif ( is_search()     ) : _e( 'Search Results', 'skivvy' );
				elseif ( is_attachment() ) : the_title();
				elseif ( is_single()     ) : the_title();
				elseif ( is_front_page() ) : #the_title();
				elseif ( is_page()       ) : the_title();
				elseif ( is_404()        ) : _e( '404 | Page not found' , 'skivvy' );
				else                       : // Ninja Silence....
				endif;

	?></h1></div></div>

function v_get_random_theme_bg() {
    $theme = wp_get_theme();
    //use one of the following backgrounds at random if no featured image is supplied
    $image_folder = dirname(__FILE__).'/../../../themes/'.$theme->name.'/img/backgrounds/';
    $randbg = array_slice(scandir($image_folder), 2);
    $i = rand(0, count($randbg)-1); // generate random number size of the array
    $image = $randbg[$i];
    $background_image = get_template_directory_uri()."/img/backgrounds/$randbg[$i]"; // set variable equal to which random filename was chosen

    return $background_image;
}