<?php

$themename = 'your theme name';

/** Tell WordPress to run child_theme_setup() when the 'after_setup_theme' hook is run. */
add_action( 'after_setup_theme', 'child_theme_setup' );

if ( !function_exists( 'child_theme_setup' ) ):
function child_theme_setup() {
	
	// Header Images are now in Child Themes Directory 
	define( 'HEADER_IMAGE', get_bloginfo('stylesheet_directory') .'/images/header.png' );
	
	// Change the header Height here if you need to 
	define( 'HEADER_IMAGE_HEIGHT', apply_filters( 'twentyten_header_image_height', 75 ) );

    /* From Aaron Jorbin http://aaron.jorb.in/ */
	function jorbin_remove_twenty_ten_headers(){
		unregister_default_headers( array(
			'berries',
			'cherryblossom',
			'concave',
			'fern',
			'forestfloor',
			'inkwell',
			'path' ,
			'sunset')
			);
	}
	add_action( 'after_setup_theme', 'jorbin_remove_twenty_ten_headers', 11 );

	
	// Add our own custom headers packaged with the theme. in the theme template directory 'images/headers/'
	register_default_headers( cms_theme_headers() );	
}
endif;


/* Build the Header Array from the theme headers */
// No need to code the headers just loop through the folder and return a list
function cms_theme_headers() {
	global $themename;
    $list = array();
	$imagepath = STYLESHEETPATH .'/images/headers/';
	$imageurl = get_bloginfo('stylesheet_directory');
    $dir_handle = @opendir($imagepath) or die("Unable to open $path"); 
    while($file = readdir($dir_handle)){ 
        if($file == "." || $file == ".."){continue;} 
        $filename = explode(".",$file); 
        $cnt = count($filename); $cnt--; $ext = $filename[$cnt]; 
        if(strtolower($ext) == ('png' || 'jpg')){ 
   	 	  if (!strpos($file, '-thumbnail') > 0) {	 
				$header = array(
					'url' => $imageurl .'/images/headers/' .$file,
					'thumbnail_url' => $imageurl .'/images/headers/' .$filename[0] .'-thumbnail.' .$ext,
					'description' => __( $filename[0], $themename )
				);
				array_push($list, $header);
		  }
        }
    }
    return $list;
}