Custom Post Ajax pagination

I have a custom page that displays custom post types using the following

—-template file———

<h1 class="topic entry-title open">Discussions</h1>
<div>
<?php
$page = (get_query_var('page')) ? get_query_var('page') : $page;
$args= array('post_type'=>'discussions','posts_per_page'=>1,'order'=>'DESC','paged'=>max(1,$page));
query_posts($args); while ( have_posts() ) : the_post(); ?>
<?php get_template_part( 'content', 'link-discussions' ); // default content ?>
<?php endwhile;echo get_previous_posts_link(); echo get_next_posts_link(); wp_reset_query(); ?>
</div>

the ajax function simply
——— functions file—————-

function ajax_get_template_part() {
	global $page;
	$page = isset($_REQUEST['page'])? $_GET['page'] : 1;
	//Handle request then generate response using WP_Ajax_Respons
	// get the submitted parameters
	$slug = isset($_POST['slug'])? $_POST['slug'] : 'discussions';
	get_template_part('content',$slug);
	die();
}

————— custom url page link ———-
I’m also trying to load content via custom pagination ajax with a url

url/?paged=1#post_type

My problem seems to be that I’m either not “catching” the ?paged=# or the query_posts doesn’t seem to have the paging incorrect

Why am I not getting the page? and how can I get it through get_query_var(‘page’)?