gistfile1.txt

 		if ( strtoupper( substr( PHP_OS, 0, 3 ) ) === 'WIN' ) {
 			// Windows
 			$content_dir = str_replace( '/', DIRECTORY_SEPARATOR, WP_CONTENT_DIR );
			$content_url = str_replace( $content_dir, WP_CONTENT_URL, dirname(__FILE__) );
			$content_url = str_replace( $content_dir, content_url(), dirname(__FILE__) );
 			$cmb_url = str_replace( DIRECTORY_SEPARATOR, '/', $content_url );
 
 		} else {
 		  $cmb_url = str_replace(
 				array(WP_CONTENT_DIR, WP_PLUGIN_DIR),
				array(WP_CONTENT_URL, WP_PLUGIN_URL),
				array( content_url() , plugins_url() ),
 				dirname( __FILE__ )
 			);
 		}