Автоматическое обновление данных в блоке на AJAX

<script type="text/javascript">
function comparsion_block () {
 $("#cmr_block").html('');
 $.post(dle_root + "engine/ajax/comparsion.php", function(data){
  $("#cmr_block").html(data);
  });
};


function comparsion( cmr_id, event ) {
 ShowLoading('');
 $.post(dle_root + "engine/ajax/comparsion.php", { cmr_id: cmr_id, action: event}, function(data){
  HideLoading('');
  $("#cmr-id-" + cmr_id).html(data);
 });
 comparsion_block ();
 return false;
           
          

};
</script>

<?php

 

@session_start();

@error_reporting ( E_ALL ^ E_WARNING ^ E_NOTICE );

@ini_set ( 'display_errors', true );

@ini_set ( 'html_errors', false );

@ini_set ( 'error_reporting', E_ALL ^ E_WARNING ^ E_NOTICE );

 

define( 'DATALIFEENGINE', true );

define( 'ROOT_DIR', substr( dirname(  __FILE__ ), 0, -12 ) );

define( 'ENGINE_DIR', ROOT_DIR . '/engine' );

 

include ENGINE_DIR . '/data/config.php';

 

if( $config['http_home_url'] == "" ) {

        

        $config['http_home_url'] = explode( "engine/ajax/comparsion.php", $_SERVER['PHP_SELF'] );

        $config['http_home_url'] = reset( $config['http_home_url'] );

        $config['http_home_url'] = "http://" . $_SERVER['HTTP_HOST'] . $config['http_home_url'];

 

}

 

require_once ENGINE_DIR . '/modules/functions.php';

 

$config['charset'] = ($lang['charset'] != '') ? $lang['charset'] : $config['charset'];

 

        $id = intval( $_REQUEST['cmr_id'] );

 

        if( $_REQUEST['action'] == "plus" ) {

        

                $count = count($_SESSION['comparison']) + 1;

        

                if (!in_array($id, $_SESSION['comparison'])) $_SESSION['comparison'][] = $id;

                

                $buffer = "<img src=\"" . $config['http_home_url'] . "templates/{$config['skin']}/dleimages/minus_fav.gif\" onclick=\"comparsion('" . $id . "', 'minus'); return false;\" title=\"" . $lang['news_minfav'] . "\" style=\"vertical-align: middle;border: none;\" />";

 

        } elseif( $_REQUEST['action'] == "minus" ) {

 

                unset($_SESSION['comparison'][$id]); $count = count($_SESSION['comparison']) - 1;

                

                $buffer = "<img src=\"" . $config['http_home_url'] . "templates/{$config['skin']}/dleimages/plus_fav.gif\" onclick=\"comparsion('" . $id . "', 'plus'); return false;\" title=\"" . $lang['news_addfav'] . "\" style=\"vertical-align: middle;border: none;\" />";

 

        } else { 

                        $buffer = "<div id=\"cmr_block\"><div style=\"width:200px; height:100px; top:200px; left:0; position:fixed; float:left;z-index:10;\">

                                                        <div align=\"left\">Автомобилей для сравнения: <a href=\"{$config['http_home_url']}index.php?do=comparison\">".$count."</a>";

 

                        $buffer .= "</div></div></div>";

        }

 

 

@header( "Content-type: text/css; charset=" . $config['charset'] );

echo $buffer;

?>