diff --git a/plugins/wp_model_plugin/js/init.js b/plugins/wp_model_plugin/js/init.js
index 39a5ca9..f12f550 100644
--- a/plugins/wp_model_plugin/js/init.js
+++ b/plugins/wp_model_plugin/js/init.js
@@ -3,8 +3,6 @@ const title = document.querySelector(".first_el_to_change");
 title.innerHTML = "--- coucou ;) " + myvar_1;
 
 const ajax_button_1 = document.querySelector("#test_ajax_1");
-console.log("ajax_button_1: ");
-console.log(ajax_button_1);
 ajax_button_1.addEventListener('click', () => {
 	ajax_post(ajax_button_1, 'get_data');
 });
diff --git a/plugins/wp_model_plugin/js/myscript3.js b/plugins/wp_model_plugin/js/myscript3.js
index 7bee422..b1abd92 100644
--- a/plugins/wp_model_plugin/js/myscript3.js
+++ b/plugins/wp_model_plugin/js/myscript3.js
@@ -1,4 +1,3 @@
 
 const title3 = document.querySelector(".third_el_to_change");
 title3.innerHTML = "--- bye bye, " + myvar_2;
-console.log(myvar_2);
diff --git a/plugins/wp_model_plugin/js/ajax.js b/plugins/wp_model_plugin/js/utils/ajax.js
similarity index 100%
rename from plugins/wp_model_plugin/js/ajax.js
rename to plugins/wp_model_plugin/js/utils/ajax.js
diff --git a/plugins/wp_model_plugin/php/utils/add_to_front.php b/plugins/wp_model_plugin/php/utils/add_to_front.php
index 5b3f84b..28f86dd 100644
--- a/plugins/wp_model_plugin/php/utils/add_to_front.php
+++ b/plugins/wp_model_plugin/php/utils/add_to_front.php
@@ -1,76 +1,122 @@
 <?php
 
+
+
 /*
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-@param an array of files
+function that add the ajax script to front
 */
-function add_files_to_front($files_arr) {
-	//wp_enqueue_script(<give_it_a_name>, /url/to/file, [depends on], version, defer? );
-	//wp_enqueue_style( <give_it_a_name>, /url/to/file, [depends on], version, media );
+function add_ajax_post() {
 	global $first_script;
+	global $ajax_file;
 
-	// always adding ajax file first
-	$files_arr = ["ajax.js", ...$files_arr];
-
-	$previous_css_basename = '';
-	$previous_js_basename = '';
-	foreach ($files_arr as $file) {
-		$file_ext = pathinfo($file, PATHINFO_EXTENSION);
-		$file_basename = pathinfo($file, PATHINFO_FILENAME);
-		if ($file_ext === "js")
-			$dir_path = 'js/';
-		else if ($file_ext === "css")
-			$dir_path = 'css/';
-		else
-			continue;
-
-		$file_url = PLUGIN_URL.$dir_path.$file;
-		$file_path = PLUGIN_DIR.$dir_path.$file;
-		$file_version = date("ymd-Gis", filemtime($file_path));
-
-		if ($file_ext === "js") {
-			if (is_null($first_script))
-				$first_script = $file_basename;
-			wp_enqueue_script( $file_basename, $file_url, $previous_js_basename, $file_version, true);
-			$previous_js_basename = $file_basename;
-		}
-		else if ($file_ext === "css") {
-			wp_enqueue_style( $file, $file_url, $previous_css_basename, $file_version, '');
-			$previous_css_basename = $file_basename;
-		}
-	}
-
+	$file = init_file($ajax_file);
+	$first_script = $file->handle;
+	wp_enqueue_script( $file->handle, $file->url, $previous_js_basename, $file->version, true);
 	$ajax_url = admin_url( 'admin-ajax.php' );
 	$nonce = wp_create_nonce( 'wp-pageviews-nonce' );
 	add_var_to_front(
 		compact(
 			"ajax_url",
 			"nonce",
-		),
-		"ajax"
+		)
 	);
 }
 
 
 
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+@param string : name of the file, with its path from its extension directory
+	- from js/ root for .js files
+	- from css/ root for .css files
+@return object / null :
+	- null if file is not js or css
+	- or an object with all the necessary infos :
+		- ext      : name.js -> "js"
+		- basename : name.js -> "name"
+		- handle   : name.js -> "name_js"
+		- url     : url to file in wordpress
+		- path    : path to file in server
+		- version : used to avoid browser caching
+*/
+function init_file($file_name) {
+	$file = (object)[];
+
+	$file->ext = pathinfo($file_name, PATHINFO_EXTENSION);
+	if ($file->ext === "js")
+		$dir_path = 'js/';
+	else if ($file->ext === "css")
+		$dir_path = 'css/';
+	else
+		return null;
+
+	$file->basename = pathinfo($file_name, PATHINFO_FILENAME);
+	$file->handle = str_replace(".", "_", $file_name);
+
+	$file->url = PLUGIN_URL.$dir_path.$file_name;
+	$file->path = PLUGIN_DIR.$dir_path.$file_name;
+	$file->version = date("ymd-Gis", filemtime($file->path));
+
+	return $file;
+}
+
+
+
+/*
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+@param array : list of files :
+  - with their path from root of their type of file (ex: from js/ to .js files)
+	- and with their extension
+@param boolean
+	- to add ajax script and variables
+	- default to true
+*/
+function add_files_to_front($files_arr, $add_ajax = true) {
+	//wp_enqueue_script(<give_it_a_name>, /url/to/file, [depends on], version, defer? );
+	//wp_enqueue_style( <give_it_a_name>, /url/to/file, [depends on], version, media );
+	global $first_script;
+
+	if ($add_ajax === true)
+		add_ajax_post($file);
+
+	$previous_css_basename = '';
+	$previous_js_basename = '';
+	foreach ($files_arr as $file_name) {
+		$file = init_file($file_name);
+		if ($file->ext === "js") {
+			if (is_null($first_script))
+				$first_script = $file->handle;
+			wp_enqueue_script( $file->handle, $file->url, $previous_js_basename, $file->version, true);
+			$previous_js_basename = $file->basename;
+		}
+		else if ($file->ext === "css") {
+			wp_enqueue_style( $file->handle, $file->url, $previous_css_basename, $file->version, '');
+			$previous_css_basename = $file->basename;
+		}
+	}
+}
+
+
+
 /*
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 pass variables to js front as global variables
-@param two params :
-1. an array of key => value
+@param array : list of key => value
    with the key being name of the variable, like this :
     'my_var' => 'value',
    simpler way to do it is to use compact when calling the function :
     add_var_to_front(compact("var1", "var2", "var3"));
-2. (optionnal) name of first embended script that need these variables
+@param string (optionnal) : name of first embended script that need these variables
    (it will be available to this script and all followings)
+   this name is the filename + "_" + extension :
+   init.js -> init_js
 */
 function add_var_to_front($vars, $handle = null) {
 	if (is_null($handle)) {
 		global $first_script;
 		$handle = $first_script;
 	}
-	$handle = pathinfo($handle, PATHINFO_FILENAME);
 	
 	extract($vars);
 	foreach ($vars as $key => $var)
diff --git a/plugins/wp_model_plugin/php/utils/globals.php b/plugins/wp_model_plugin/php/utils/globals.php
index c6cdcb8..1d38805 100644
--- a/plugins/wp_model_plugin/php/utils/globals.php
+++ b/plugins/wp_model_plugin/php/utils/globals.php
@@ -11,9 +11,12 @@ const CONSOLE_OFF = true;
 */
 const CONSOLE_OFF = false;
 
-/* switch console_log
-const CONSOLE_OFF = true;
+/* a variable that will contain the name of the first script enqueued
 */
 $first_script = null;
 
+/* path to ajax.js file, from root of js dir
+*/
+$ajax_file = "utils/ajax.js";
+
 ?>
diff --git a/plugins/wp_model_plugin/plugin_hooks.php b/plugins/wp_model_plugin/plugin_hooks.php
index d2ec1bc..b787f1b 100644
--- a/plugins/wp_model_plugin/plugin_hooks.php
+++ b/plugins/wp_model_plugin/plugin_hooks.php
@@ -71,8 +71,8 @@ function main_shortcode() {
 	);
 
 	global $wp_scripts;
-	console_log("wp_scripts: ");
-	console_log($wp_scripts);
+	console_log("wp_scripts->queue: ");
+	console_log($wp_scripts->queue);
 
 	return $html_front;
 }