wp: query post

query_post.php

<?php

if(is_front_page()){
    $paged = ( get_query_var('page') ) ? get_query_var('page') : 1;
}else{
    $paged = ( get_query_var('paged') ) ? get_query_var('paged') : 1;
}


$the_query = new WP_Query(array(
	'post_type' => 'slider',
	'category_name=>staff',
	'posts_per_page' => get_option( 'posts_per_page' ),
	'paged' => $paged
));

if ( $the_query->have_posts() ) :
while ( $the_query->have_posts() ) : $the_query->the_post();
?>

	<h1><a href="<?php the_permalink();?>"><?php the_title();?></a></h1>
	<?php if(has_post_thumbnail()): ?>
	    <a href="<?php the_permalink(); ?>" ><?php  the_post_thumbnail('post-image'); ?></a>
	<?php  endif; ?>


<?php endwhile;?>
  <div class="nav-previous alignleft"><?php next_posts_link( 'Older posts' ); ?></div>
  <div class="nav-next alignright"><?php previous_posts_link( 'Newer posts' ); ?></div>
<?php endif;
wp_reset_postdata(); ?>


?>