//if ( is_page_template('template-thankyou.php') ) {

		function eh_add_product_tracking_code(){
			global $post;

			$meta_key = 'product_code';
			$meta_value = get_post_meta($post->ID, $meta_key, true);

			if (strlen($meta_value)<1){
			    $meta_value = "This is Blank!";
			}
			return $meta_value;
		}

		add_action('wp_footer', 'eh_add_product_tracking_code');

//}