Update core class include style and smarty test page

All libs/classes have an loop to find the needed previous class file.
Smarty test page included.

www/admin/smarty_test.php

@@ -0,0 +1,23 @@
+<?
+	$DEBGU_ALL_OVERRIDE = 0; // set to 1 to debug on live/remote server locations
+	$DEBUG_ALL = 1;
+	$PRINT_ALL = 1;
+	$DB_DEBUG = 1;
+
+	if ($DEBUG_ALL)
+		error_reporting(E_ALL | E_STRICT |  E_ERROR | E_WARNING | E_PARSE | E_COMPILE_ERROR);
+
+	define('USE_DATABASE', true);
+	require("config.inc");
+	require("header.inc");
+	$MASTER_TEMPLATE_NAME = 'main_body.tpl';
+	$TEMPLATE_NAME = 'smarty_test.tpl';
+	$PAGE_WIDTH = 750;
+	require("set_paths.inc");
+
+	// smarty test
+	$cms->DATA['SMARTY_TEST'] = 'Test Data';
+
+	require("smarty.inc");
+	require("footer.inc");
+?>

www/configs/config.inc

@@ -236,6 +236,15 @@
 		$DEBUG_ALL = 0;
 		$PRINT_ALL = 0;
 		$DB_DEBUG = 0;
+		$ENABLE_ERROR_HANDLING = 0;
+	}
+	else
+	{
+		$ECHO_ALL = 1;
+		$DEBUG_ALL = 1;
+		$PRINT_ALL = 1;
+		$DB_DEBUG = 1;
+		$ENABLE_ERROR_HANDLING = 1;
 	}
 
 	// any other global definitons here

www/layout/admin/default/templates/smarty_test.tpl

@@ -0,0 +1,3 @@
+<div>
+	{$SMARTY_TEST}
+</div>

www/libs/Class.Admin.Backend.inc

@@ -25,7 +25,13 @@
 	*
 	*********************************************************************/
 
-	require_once(LIBS."Class.DB.IO.inc");
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.DB.IO.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 
 	class AdminBackend extends db_io
 	{

www/libs/Class.DB.Array.IO.inc

@@ -38,7 +38,13 @@
 	// as it actually has nothing to do with this one here ? (or at least
 	// put into separete function in this class)
 
-	require_once(LIBS."Class.DB.IO.inc");
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.DB.IO.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 
 	// subclass for one array handling
 	class db_array_io extends db_io

www/libs/Class.DB.IO.inc

@@ -240,7 +240,13 @@
 	*   23.11.2000: erster Test
 	*********************************************************************/
 
-	require_once(LIBS.'Class.Basic.inc');
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.Basic.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 
 	class db_io extends basic
 	{

www/libs/Class.Form.Generate.inc

@@ -212,7 +212,13 @@
 	*               save data, loads data, etc
 	*********************************************************************/
 
-	require_once(LIBS."Class.DB.Array.IO.inc");
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.DB.Array.IO.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 	
 	class form extends db_array_io
 	{

www/libs/Class.Login.inc

@@ -59,7 +59,13 @@
 	*   2000-06-01: created basic idea and functions
 	*********************************************************************/
 
-	require_once(LIBS."Class.DB.IO.inc");
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.DB.IO.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 
 	class login extends db_io
 	{

www/libs/Class.Smarty.Extend.inc

@@ -10,7 +10,13 @@
 
 	// read in the Smarty class for definition
 	// use smarty BC for backwards compability
-	require_once(SMARTY.'SmartyBC.class.php');
+    // try to include file from LIBS path, or from normal path
+    $include_file = 'SmartyBC.class.php';
+    foreach (array('', SMARTY, __DIR__.'/../'.SMARTY) as $folder)
+    {
+        if (file_exists($folder.$include_file))
+            require_once($folder.$include_file);
+    }
 
 	class SmartyML extends SmartyBC
 	{

www/libs/Class.l10n.inc

@@ -25,7 +25,13 @@
 	* 2005/10/17 (cs) made an on the fly switch method (reload of lang)
 	*********************************************************************/
 
-	require_once(LIBS."Class.Basic.inc");
+	// try to include file from LIBS path, or from normal path
+	$include_file = 'Class.Basic.inc';
+	foreach (array('', LIBS, __DIR__.'/') as $folder)
+	{
+		if (file_exists($folder.$include_file))
+			require_once($folder.$include_file);
+	}
 
 	class l10n extends basic
 	{