cat template wt fixed posts

<?php //structure for category template with a number of fixed posts on top; post IDs in array//
$temp = $post;
fixed_posts_IDs = array(1, 5, 77, 345);
$fixed_posts = get_posts('include=' . implode(',',$fixed_posts_IDs));
foreach( $fixed_posts as $post ) :
setup_postdata($post);
/*whatever you need to show of the fixed posts*/
endforeach;
wp_reset_query();
$post = $temp;

$args = array(
'post__not_in' => fixed_posts_IDs,
'cat' => get_query_var('cat'),
'order' => ASC
); /*add whatever parameters you need*/

if( have_posts() ) :
/*normal loop*/
endif; wp_reset_query();
?>