Expert Help needed . Display spreadsheet in broswer

[sharugan]

I have a requirement to display the spreadsheet in a browser.I am using the following code that promts for "SAVE" box. I don't to prompt the "SAVE" box.I want to display the spreadsheet in the broswer when the user types the URL.Can any expert help me achieve this.

<?php

 

    $export_file = "worldmap.xls";

    ob_end_clean();

    ini_set('zlib.output_compression','Off');

 

    header('Pragma: public');

    header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");                  // Date in the past

    header('Last-Modified: '.gmdate('D, d M Y H:i:s') . ' GMT');

    header('Cache-Control: no-store, no-cache, must-revalidate');    // HTTP/1.1

    header('Cache-Control: pre-check=0, post-check=0, max-age=0');    // HTTP/1.1

    header ("Pragma: no-cache");

    header("Expires: 0");

    header('Content-Transfer-Encoding: none');

    header('Content-Type: application/vnd.ms-excel;');                // This should work for IE & Opera

    header("Content-type: application/x-msexcel");                    // This should work for the rest

    header('Content-Disposition: attachment; filename="'.basename($export_file).'"');

 

?>