diff --git a/config.php b/config.php
new file mode 100644
index 0000000..b26be3b
--- /dev/null
+++ b/config.php
@@ -0,0 +1,109 @@
+<?php
+/** Manage the configurations of the module done by administrator in a config 
+    file
+    It is based on the module configuration defaults
+    POC : 
+$config = new config();
+$config->default = array ("param"=>"default",
+                          "param2"=>array (1,2,3),
+                          "param3"=>null);
+$var = $config->get ("param");
+  */
+class config
+{
+  public $default = array (); // All the parameters allowed with their default
+                              // value
+  public $confFile = "./datas/configuration.php"; // Use the .php to protect
+                              // the informations by adding a killing feature in
+                              // the file
+
+  /** Get the value of the provided parameter recorded in .ini file
+      If it is not set in .ini file, use the default value */
+  public function get ($param)
+  {
+    if (!array_key_exists ($param, $this->default))
+      throw new Exception ("Unknown parameter '$param'");
+    if (!file_exists ($this->confFile))
+    {
+      if (@file_put_contents ($this->confFile, 
+                              "<?php\r\n\$conf = array ();\r\n")
+          === FALSE)
+        throw new Exception (sprintf (
+                 "No configuration file '%s' available and it can't be created",
+                 $this->confFile));
+    }
+    $conf = array ();
+    $rc = include ($this->confFile);
+    if ($rc !== 1)
+      throw new Exception ("Error in configuration file");
+    if (array_key_exists ($param, $conf))
+      return $conf[$param];
+    return $this->default[$param];
+  }
+
+  /** Define a value for the parameter in the config file. Add all the default
+      values if they are not defined */
+  public function set ($param, $value)
+  {
+    if (!array_key_exists ($param, $this->default))
+      throw new Exception ("Unknown parameter '$param'");
+    if (!file_exists ($this->confFile))
+    {
+      if (@file_put_contents ($this->confFile,
+                              "<?php\r\n\$conf =array ();\r\n")
+          === FALSE)
+        throw new Exception (sprintf (
+                 "No configuration file '%s' available and it can't be created",
+                 $this->confFile));
+    }
+    if (!is_writeable ($this->confFile))
+      throw new Exception (sprintf (
+                                   "Configuration file '%s' is write protected",
+                                   $this->confFile));
+    $conf = array ();
+    $rc = include ($this->confFile);
+    if ($rc !== 1)
+      throw new Exception ("Error in configuration file");
+    $newconf = array_merge ($this->default, $conf, array ($param=>$value));
+    $txt = "<?php\r\n";
+    $txt .= "\$conf = array(\r\n";
+    $txt = $this->writePHP ($newconf, $txt, 4);
+    $txt .= ");\r\n";
+
+    if (@file_put_contents ($this->confFile, $txt, LOCK_EX) === FALSE)
+      throw new Exception (sprintf ("Can't save configuration file '%s'",
+                                    $this->confFile));
+  }
+
+  private function writePHP ($values, $phpcode, $indent)
+  {
+    foreach ($values as $key=>$val)
+    {
+      $phpcode .= str_pad (" ", $indent);
+      $phpcode .= (is_numeric ($key)) ? $key : "\"$key\"";
+      $phpcode .= " => ";
+      if (is_bool ($val))
+      {
+        if ($val === FALSE) $phpcode .= "FALSE,\r\n";
+        else $phpcode .= "TRUE,\r\n";
+      }
+      elseif (is_null ($val))
+        $phpcode .= "NULL,\r\n";
+      elseif (is_int ($val) || is_float ($val))
+        $phpcode .= "$val,\r\n";
+      elseif (is_string ($val))
+        $phpcode .= "\"$val\",\r\n";
+      elseif (is_array ($val))
+      {
+        $phpcode .= "array (\r\n";
+        $phpcode = $this->writePHP ($val, $phpcode, $indent+4);
+        $phpcode .= str_pad (" ", $indent);
+        $phpcode .= "),\r\n";
+      }
+      else
+        throw new Exception ("Config : missing type ".gettype ($val));
+    }
+
+    return $phpcode;
+  }
+}