No right sidebox on main page Zen Cart

Hi- I'm trying to follow the instructions here:

http://www.zen-cart.com/forum/showthread.php?t=84198

To turn off the right sideboxes on the home page only in Zen cart, but what I am trying makes the page blank. Can someone tell me how to correctly uncomment the line:
 * if ($current_page_base == 'index' and $cPath == '') {<br />
 *  $flag_disable_right = true;<br />

In the attached file? Thanks!
tpl-main-page.php
mel200Asked:
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Ray PaseurCommented:
Here is the code from that file, in the code snippet.  The code snippet is useful because we can read the code directly and see the line numbers.
<?php
/**
 * Common Template - tpl_main_page.php
 *
 * Governs the overall layout of an entire page<br />
 * Normally consisting of a header, left side column. center column. right side column and footer<br />
 * For customizing, this file can be copied to /templates/your_template_dir/pagename<br />
 * example: to override the privacy page<br />
 * - make a directory /templates/my_template/privacy<br />
 * - copy /templates/templates_defaults/common/tpl_main_page.php to /templates/my_template/privacy/tpl_main_page.php<br />
 * <br />
 * to override the global settings and turn off columns un-comment the lines below for the correct column to turn off<br />
 * to turn off the header and/or footer uncomment the lines below<br />
 * Note: header can be disabled in the tpl_header.php<br />
 * Note: footer can be disabled in the tpl_footer.php<br />
 * <br />
 * $flag_disable_header = true;<br />
 * $flag_disable_left = true;<br />
 * $flag_disable_right = true;<br />
 * $flag_disable_footer = true;<br />
 * <br />
 * // example to not display right column on main page when Always Show Categories is OFF<br />
 * <br />
 * if ($current_page_base == 'index' and $cPath == '') {<br />
 *  $flag_disable_right = true;<br />
 * }<br />
 * <br />
 * example to not display right column on main page when Always Show Categories is ON and set to categories_id 3<br />
 * <br />
 * if ($current_page_base == 'index' and $cPath == '' or $cPath == '3') {<br />
 *  $flag_disable_right = true;<br />
 * }<br />
 *
 * @package templateSystem
 * @copyright Copyright 2003-2007 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: tpl_main_page.php 7085 2007-09-22 04:56:31Z ajeh $
 */

// the following IF statement can be duplicated/modified as needed to set additional flags
  if (in_array($current_page_base,explode(",",'list_pages_to_skip_all_right_sideboxes_on_here,separated_by_commas,and_no_spaces')) ) {
    $flag_disable_right = true;
  }


  $header_template = 'tpl_header.php';
  $footer_template = 'tpl_footer.php';
  $left_column_file = 'column_left.php';
  $right_column_file = 'column_right.php';
  $body_id = ($this_is_home_page) ? 'indexHome' : str_replace('_', '', $_GET['main_page']);
?>
<body id="<?php echo $body_id . 'Body'; ?>"<?php if($zv_onload !='') echo ' onload="'.$zv_onload.'"'; ?>>
<?php
 /**
  * prepares and displays header output
  *
  */
  if (CUSTOMERS_APPROVAL_AUTHORIZATION == 1 && CUSTOMERS_AUTHORIZATION_HEADER_OFF == 'true' and ($_SESSION['customers_authorization'] != 0 or $_SESSION['customer_id'] == '')) {
    $flag_disable_header = true;
  }
  require($template->get_template_dir('tpl_header.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_header.php');?>
<div id="mainWrapper">
 <div id="contentMainWrapper">
  <div id="centerColumnWrapper">
   <div id="centerColumnWrapperb">
    <div id="centerColumnOuter"></div>
     <div id="centerColumnWrapper2">
      <div id="centerColumnWrapper2b">
            <!-- bof  breadcrumb -->
            <?php if (DEFINE_BREADCRUMB_STATUS == '1' || (DEFINE_BREADCRUMB_STATUS == '2' && !$this_is_home_page) ) { ?>
            <div id="navBreadCrumb"><?php echo $breadcrumb->trail(BREAD_CRUMBS_SEPARATOR); ?></div>
            <?php } ?>
            <!-- eof breadcrumb -->
            <?php
  if (SHOW_BANNERS_GROUP_SET3 != '' && $banner = zen_banner_exists('dynamic', SHOW_BANNERS_GROUP_SET3)) {
    if ($banner->RecordCount() > 0) {
?>
            <div id="bannerThree" class="banners"><?php echo zen_display_banner('static', $banner); ?></div>
            <?php
    }
  }
?>
            <?php
  // Display all header alerts via messageStack:
  if ($messageStack->size('header') > 0) {
    echo $messageStack->output('header');
  }
  if (isset($_GET['error_message']) && zen_not_null($_GET['error_message'])) {
  echo htmlspecialchars(urldecode($_GET['error_message']));
  }
  if (isset($_GET['info_message']) && zen_not_null($_GET['info_message'])) {
   echo htmlspecialchars($_GET['info_message']);
} else {

}
?>
            <!-- bof upload alerts -->
            <?php if ($messageStack->size('upload') > 0) echo $messageStack->output('upload'); ?>
            <!-- eof upload alerts -->
            <?php
 /**
  * prepares and displays center column
  *
  */
 require($body_code); ?>
 
 <?php
if (COLUMN_RIGHT_STATUS == 0 || (CUSTOMERS_APPROVAL == '1' and $_SESSION['customer_id'] == '') || (CUSTOMERS_APPROVAL_AUTHORIZATION == 1 && CUSTOMERS_AUTHORIZATION_COLUMN_RIGHT_OFF == 'true' and ($_SESSION['customers_authorization'] != 0 or $_SESSION['customer_id'] == ''))) {
  // global disable of column_right
  $flag_disable_right = true;
}
if (!isset($flag_disable_right) || !$flag_disable_right) {
?>
            <?php
 /**
  * prepares and displays right AND LEFT column sideboxes
  *
  */
?>
            <div id="navColumnTwo">
              <?php require(DIR_WS_MODULES . zen_get_module_directory('column_right.php')); ?>
              <?php require(DIR_WS_MODULES . zen_get_module_directory('column_left.php')); ?>
            </div>
            <?php
}
?>
          </div>
        </div>
			      <?php
  if (SHOW_BANNERS_GROUP_SET4 != '' && $banner = zen_banner_exists('dynamic', SHOW_BANNERS_GROUP_SET4)) {
    if ($banner->RecordCount() > 0) {
?>
    <div id="bannerFour" class="banners"><?php echo zen_display_banner('static', $banner); ?></div>
    <?php
    }
  }
?>
      </div>
    </div>
  </div>
<?php
 /**
  * prepares and displays footer output
  *
  */
  if (CUSTOMERS_APPROVAL_AUTHORIZATION == 1 && CUSTOMERS_AUTHORIZATION_FOOTER_OFF == 'true' and ($_SESSION['customers_authorization'] != 0 or $_SESSION['customer_id'] == '')) {
    $flag_disable_footer = true;
  }
  require($template->get_template_dir('tpl_footer.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_footer.php');
?>
 <!--bof- parse time display -->
<?php
  if (DISPLAY_PAGE_PARSE_TIME == 'true') {
?>
<div class="parseTime">Parse Time: <?php echo $parse_time; ?> - Number of Queries: <?php echo $db->queryCount(); ?> - Query Time: <?php echo $db->queryTime(); ?></div>
<?php
  }
?>
<!--eof- parse time display -->
<!--bof- banner #6 display -->
<?php
  if (SHOW_BANNERS_GROUP_SET6 != '' && $banner = zen_banner_exists('dynamic', SHOW_BANNERS_GROUP_SET6)) {
    if ($banner->RecordCount() > 0) {
?>
<div id="bannerSix" class="banners"><?php echo zen_display_banner('static', $banner); ?></div>
<?php
    }
  }
?>
<!--eof- banner #6 display -->
<!--bof-drop down menu display-->
        <?php require($template->get_template_dir('tpl_drop_menu.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_drop_menu.php');?>
        <!--eof-drop down menu display-->
</div>
</body>

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Ray PaseurCommented:
Looking that over, it seems that you can add this code at line 45.  Looks like they designers anticipated your needs in the instruction on lines 41 - 44 where they wrote,

// the following IF statement can be duplicated/modified as needed to set additional flags
  if (in_array($current_page_base,explode(",",'list_pages_to_skip_all_right_sideboxes_on_here,separated_by_commas,and_no_spaces')) ) {
    $flag_disable_right = true;
  }

I am not 100% sure this will work, but it seems logically consistent and it is certainly easy to try.  Good luck with it, ~Ray
if ($current_page_base == 'index' and $cPath == '') 
{
    $flag_disable_right = true;
}

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mel200Author Commented:
Thanks!
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