/************************************************************************************** Originally from http://www.phpbuddy.com/article.php?id=8 Author: Ranjit Kumar (Cheif Editor phpbuddy.com) Modified by: Ying Zhang (Dodo) http://pure-essence.net Two main modifications: 1. To check currently saved screen resolution cookie 2. To allow inclusion by other php files In order to use this file in another php file, use: $callget_res_page_name = $REQUEST_URI; $GLOBALS[callget_res_page_name] = $callget_res_page_name; include("get_resolution.php"); echo $screen_width." is your screen width and ".$screen_height." is your screen height."; *****************************************************************************************/ ?> function checkRes(width, height) { if(width != screen.width || height != screen.height) { writeCookie(); } else { return true; } } //--> if(isset($HTTP_COOKIE_VARS["users_res"])) { $screen_res = $HTTP_COOKIE_VARS["users_res"]; $screen_res_tmp = explode("x", $screen_res); $screen_width = $screen_res_tmp[0]; $screen_height = $screen_res_tmp[1]; ?> } else //means cookie is not found set it using Javascript { ?> } ?>