var loading = "<img src=\"pic/upload.gif\" alt=\"Загрузка..\" />";

jQuery(function() {
    jQuery("span.rel-pager").click ( function(){
        var page = jQuery(this).attr("id");
        jQuery("#loading-releases").html(loading);
        var page = jQuery(this).attr("id");
        jQuery.get("releases.php",{"page":page, "action":"rel_pager"},function (response) {
            jQuery("#lister").empty();
            jQuery("#lister").append(response);
            jQuery("#loading-releases").empty();
        });
    });
});