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<?php
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// $Id: frontend.functions.php 458 2007-05-12 18:14:53Z doc $
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/*
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 Website Baker Project <http://www.websitebaker.org/>
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 Copyright (C) 2004-2007, Ryan Djurovich
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 Website Baker is free software; you can redistribute it and/or modify
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 it under the terms of the GNU General Public License as published by
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 the Free Software Foundation; either version 2 of the License, or
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 (at your option) any later version.
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 Website Baker is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 GNU General Public License for more details.
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 You should have received a copy of the GNU General Public License
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 along with Website Baker; if not, write to the Free Software
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 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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/*
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	This file is purely for ensuring compatibility with 3rd party
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	contributions made for WB version 2.5.2 or below
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*/
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if(!defined('WB_URL')) {
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	header('Location: ../index.php');
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	exit(0);
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}
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// references to objects and variables that changed their names
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$admin = &$wb;
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$default_link=&$wb->default_link;
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$page_trail=&$wb->page_trail;
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$page_description=&$wb->page_description;
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$page_keywords=&$wb->page_keywords;
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$page_link=&$wb->link;
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// extra_sql is not used anymore - this is basically a register_globals exploit prevention...
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$extra_sql=&$wb->extra_sql;
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$extra_where_sql=&$wb->extra_where_sql;
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$query="SELECT directory FROM ".TABLE_PREFIX."addons WHERE type = 'module' AND function = 'snippet'";
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$query_result=$database->query($query);
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if ($query_result->numRows()>0) {
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	while ($row = $query_result->fetchRow()) {
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		$module_dir = $row['directory'];
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		if (file_exists(WB_PATH.'/modules/'.$module_dir.'/include.php')) {
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			include(WB_PATH.'/modules/'.$module_dir.'/include.php');
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		}
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	}
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}
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// Frontend functions
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if (!function_exists('page_link')) {
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	function page_link($link) {
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		global $wb;
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		return $wb->page_link($link);
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	}
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}
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//function to highlight search results
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function search_highlight($foo='', $arr_string=array()) {
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	require_once(WB_PATH.'/framework/functions.php');
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	require(WB_PATH.'/search/search_convert.php');
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	$foo = entities_to_umlauts($foo, 'UTF-8');
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	foreach($arr_string as $string) {
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		$string = strtr($string, $string_htmlspecialchars_decode);
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		$string = entities_to_umlauts($string, 'UTF-8');
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		$string = preg_quote($string, '/');
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		$string = strtr($string, $string_ul_umlauts);
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		$foo = preg_replace('/('.$string.')(?=[^>]*<)/iUS', '<span class="highlight">$1</span>',$foo);
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	}
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	$foo = umlauts_to_entities($foo, 'UTF-8', 0);
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	return $foo;
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}
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// Old menu call invokes new menu function
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if (!function_exists('page_menu')) {
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	function page_menu($parent = 0, $menu_number = 1, $item_template = '<li[class]>[a] [menu_title] [/a]</li>', $menu_header = '<ul>', $menu_footer = '</ul>', $default_class = ' class="menu_default"', $current_class = ' class="menu_current"', $recurse = LEVEL) {
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		global $wb;
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		$wb->menu_number=$menu_number;
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		$wb->menu_item_template=$item_template;
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		$wb->menu_item_footer='';
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		$wb->menu_parent = $parent;
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		$wb->menu_header = $menu_header; 
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		$wb->menu_footer = $menu_footer;
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		$wb->menu_default_class = $default_class;
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		$wb->menu_current_class = $current_class;
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		$wb->menu_recurse = $recurse+2; 	
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		$wb->menu();
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		unset($wb->menu_parent);
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		unset($wb->menu_number);
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		unset($wb->menu_item_template);
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		unset($wb->menu_item_footer);
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		unset($wb->menu_header);
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		unset($wb->menu_footer);
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		unset($wb->menu_default_class);
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		unset($wb->menu_current_class);
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		unset($wb->menu_start_level);
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		unset($wb->menu_collapse);
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		unset($wb->menu_recurse);
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	}
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}
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if (!function_exists('show_menu')) {
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	function show_menu($menu_number = NULL, $start_level=NULL, $recurse = NULL, $collapse = NULL, $item_template = NULL, $item_footer = NULL, $menu_header = NULL, $menu_footer = NULL, $default_class = NULL, $current_class = NULL, $parent = NULL) {
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		global $wb;
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		if (isset($menu_number))
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			$wb->menu_number=$menu_number;
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		if (isset($start_level))
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			$wb->menu_start_level=$start_level;
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		if (isset($recurse))
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			$wb->menu_recurse=$recurse;
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		if (isset($collapse))
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			$wb->menu_collapse=$collapse;
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		if (isset($item_template))
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			$wb->menu_item_template=$item_template;
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		if (isset($item_footer))
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			$wb->menu_item_footer=$item_footer;
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		if (isset($menu_header))
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			$wb->menu_header=$menu_header;
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		if (isset($menu_footer))
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			$wb->menu_footer=$menu_footer;
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		if (isset($default_class))
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			$wb->menu_default_class=$default_class;
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		if (isset($current_class))
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			$wb->menu_current_class=$current_class;
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		if (isset($parent))
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			$wb->menu_parent=$parent;
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		$wb->menu();
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		unset($wb->menu_recurse);
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		unset($wb->menu_parent);
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		unset($wb->menu_start_level);
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	}
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}
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if (!function_exists('page_content')) {
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	function page_content($block = 1) {
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		// Get outside objects
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		global $TEXT,$MENU,$HEADING,$MESSAGE;
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		global $globals;
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		global $database;
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		global $wb;
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		$admin = & $wb;
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		if ($wb->page_access_denied==true) {
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	        echo $MESSAGE['FRONTEND']['SORRY_NO_VIEWING_PERMISSIONS'];
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			exit();
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		}
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		if(isset($globals) AND is_array($globals)) { foreach($globals AS $global_name) { global $$global_name; } }
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		// Make sure block is numeric
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		if(!is_numeric($block)) { $block = 1; }
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		// Include page content
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		if(!defined('PAGE_CONTENT') OR $block!=1) {
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			$page_id=$wb->page_id;
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			// First get all sections for this page
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			$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '".$page_id."' AND block = '$block' ORDER BY position");
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			// If none were found, check if default content is supposed to be shown
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			if($query_sections->numRows() == 0) {
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				if ($wb->default_block_content=='none') {
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					return;
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				}
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				if (is_numeric($wb->default_block_content)) {
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					$page_id=$wb->default_block_content;
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				} else {
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					$page_id=$wb->default_page_id;
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				}				
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				$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '".$page_id."' AND block = '$block' ORDER BY position");
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				// Still no cotent found? Give it up, there's just nothing to show!
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				if($query_sections->numRows() == 0) {
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					return;
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				}
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			}
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			// Loop through them and include their module file
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			while($section = $query_sections->fetchRow()) {
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				$section_id = $section['section_id'];
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				$module = $section['module'];
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				// highlights searchresults
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				if (isset($_GET['searchresult']) AND is_numeric($_GET['searchresult']) ) {
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					if (isset($_GET['sstring']) AND !empty($_GET['sstring']) ){
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						$arr_string = explode(" ", $_GET['sstring']);
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						if($_GET['searchresult'] == 2) {
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							// exact match
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							$arr_string[0] = strtr($arr_string[0], "_"," ");
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						}
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						ob_start(); //start output buffer
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						require(WB_PATH.'/modules/'.$module.'/view.php');
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						$foo = ob_get_contents();    // put outputbuffer in $foo
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						ob_end_clean();             // clear outputbuffer
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						echo search_highlight($foo, $arr_string);
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					}
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				} else {
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					require(WB_PATH.'/modules/'.$module.'/view.php');
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				}
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			}
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		} else {
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			require(PAGE_CONTENT);
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		}
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	}
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}
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if (!function_exists('show_content')) {
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	function show_content($block=1) {
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		page_content($block);
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	}
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}
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if (!function_exists('show_breadcrumbs')) {
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	function show_breadcrumbs($sep=' > ',$tier=1,$links=true,$depth=-1) {
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		global $wb;
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		$page_id=$wb->page_id;
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		if ($page_id!=0)
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		{
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	 		global $database;
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			$bca=$wb->page_trail;
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			$counter=0;
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			foreach ($bca as $temp)
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			{
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		        if ($counter>=($tier-1) AND ($depth<0 OR $tier+$depth>$counter))
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		        {
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					if ($counter>=$tier) echo $sep;
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					$query_menu=$database->query("SELECT menu_title,link FROM ".TABLE_PREFIX."pages WHERE page_id=$temp");
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					$page=$query_menu->fetchRow();
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					if ($links==true AND $temp!=$page_id)
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						echo '<a href="'.page_link($page['link']).'">'.$page['menu_title'].'</a>';
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					else
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					    echo $page['menu_title'];
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		        }
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	            $counter++;
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			}
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		}
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	}
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}
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// Function for page title
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if (!function_exists('page_title')) {
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	function page_title($spacer = ' - ', $template = '[WEBSITE_TITLE][SPACER][PAGE_TITLE]') {
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		$vars = array('[WEBSITE_TITLE]', '[PAGE_TITLE]', '[MENU_TITLE]', '[SPACER]');
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		$values = array(WEBSITE_TITLE, PAGE_TITLE, MENU_TITLE, $spacer);
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		echo str_replace($vars, $values, $template);
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	}
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}
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// Function for page description
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if (!function_exists('page_description')) {
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	function page_description() {
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		global $wb;
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		if ($wb->page_description!='') {
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			echo $wb->page_description;
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		} else {
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			echo WEBSITE_DESCRIPTION;
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		}
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	}
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}
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// Function for page keywords
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if (!function_exists('page_keywords')) {
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	function page_keywords() {
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		global $wb;
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		if ($wb->page_keywords!='') {
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			echo $wb->page_keywords;
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		} else {
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			echo WEBSITE_KEYWORDS;
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		}
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	}
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}
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// Function for page header
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if (!function_exists('page_header')) {
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	function page_header($date_format = 'Y') {
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		echo WEBSITE_HEADER;
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	}
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}
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// Function for page footer
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if (!function_exists('page_footer')) {
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	function page_footer($date_format = 'Y') {
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		global $starttime;
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		$vars = array('[YEAR]', '[PROCESS_TIME]');
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		$processtime=array_sum(explode(" ",microtime()))-$starttime;
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		$values = array(date($date_format),$processtime);
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		echo str_replace($vars, $values, WEBSITE_FOOTER);
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	}
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}
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// Function to add optional module Javascript or CSS stylesheets into the <head> section of the frontend
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if(!function_exists('register_frontend_modfiles')) {
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	function register_frontend_modfiles($file_id="css") {
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		// sanity check of parameter passed to the function
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		$file_id = strtolower($file_id);
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		if($file_id !== "css" && $file_id !== "javascript" && $file_id !== "js") { 
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			return;
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		}
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		global $wb, $database;
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		// define default baselink and filename for optional module javascript and stylesheet files
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		$head_links = "";
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		if($file_id == "css") {
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      	$base_link = '<link href="'.WB_URL.'/modules/{MODULE_DIRECTORY}/frontend.css"'; 
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			$base_link.= 'rel="stylesheet" type="text/css" media="screen" />';
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			$base_file = "frontend.css";
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		} else {
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			$base_link = '<script type="text/javascript" src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/frontend.js"></script>';
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			$base_file = "frontend.js";
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		}
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  		// gather information for all models embedded on actual page
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		$page_id = $wb->page_id;
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    	$query_modules = $database->query("SELECT module FROM " .TABLE_PREFIX ."sections 
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			WHERE page_id=$page_id AND module<>'wysiwyg'");
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    	while($row = $query_modules->fetchRow()) {
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			// check if page module directory contains a frontend.js or frontend.css file
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      	if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
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				// create link with frontend.js or frontend.css source for the current module
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				$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
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        		// ensure that frontend.js or frontend.css is only added once per module type
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        		if(strpos($head_links, $tmp_link) === false) {
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					$head_links .= $tmp_link ."\n";
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				}
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			}
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    	}
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  		// write out links with all external module javascript/CSS files, remove last line feed
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		echo $head_links;
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	}
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}
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// Begin WB < 2.4.x template compatibility code
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	// Make extra_sql accessable through private_sql
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	$private_sql = $extra_sql;
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	$private_where_sql = $extra_where_sql;
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	// Query pages for menu
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	$menu1 = $database->query("SELECT page_id,menu_title,page_title,link,target,visibility$extra_sql FROM ".TABLE_PREFIX."pages WHERE parent = '0' AND $extra_where_sql ORDER BY position ASC");
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	// Check if current pages is a parent page and if we need its submenu
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	if(PARENT == 0) {
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		// Get the pages submenu
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		$menu2 = $database->query("SELECT page_id,menu_title,page_title,link,target,visibility$extra_sql FROM ".TABLE_PREFIX."pages WHERE parent = '".PAGE_ID."' AND $extra_where_sql ORDER BY position ASC");
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	} else {
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		// Get the pages submenu
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		$menu2 = $database->query("SELECT page_id,menu_title,page_title,link,target,visibility$extra_sql FROM ".TABLE_PREFIX."pages WHERE parent = '".PARENT."' AND $extra_where_sql ORDER BY position ASC");
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	}
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// End WB < 2.4.x template compatibility code
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// Include template file
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?>
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