Image attachment code in functions.php

//IMAGE ATTACHMENTS TOOLBOX
function attachment_toolbox($size = thumbnail) {

	if($images = get_children(array(
		'post_parent'    => get_the_ID(),
		'post_type'      => 'attachment',
		'numberposts'    => -1, // show all
		'post_status'    => null,
		'post_mime_type' => 'image',
		'orderby' => 'menu_order'
	))) {
		foreach($images as $image) {
			$attimg   = wp_get_attachment_image($image->ID,$size);
			$atturl   = wp_get_attachment_url($image->ID);
			$attlink  = get_attachment_link($image->ID);
			$postlink = get_permalink($image->post_parent);
			$atttitle = apply_filters('the_title',$image->post_title);
			/*
			echo '<p><strong>wp_get_attachment_image()</strong><br />'.$attimg.'</p>';
			echo '<p><strong>wp_get_attachment_url()</strong><br />'.$atturl.'</p>';
			echo '<p><strong>get_attachment_link()</strong><br />'.$attlink.'</p>';
			echo '<p><strong>get_permalink()</strong><br />'.$postlink.'</p>';
			echo '<p><strong>Title of attachment</strong><br />'.$atttitle.'</p>';
			echo '<p><strong>Image link to attachment page</strong><br /><a href="'.$attlink.'">'.$attimg.'</a></p>';
			echo '<p><strong>Image link to attachment post</strong><br /><a href="'.$postlink.'">'.$attimg.'</a></p>';
			echo '<p><strong>Image link to attachment file</strong><br /><a href="'.$atturl.'">'.$attimg.'</a></p>';
			*/
			echo'<li class="wrapperli"><a title="'.$atttitle.'" href="'.$atturl.'">'.$attimg.'</a></li>';
		}
	}
}