diff --git a/js/gamutable.es6.js b/js/gamutable.es6.js
index be7d32b..1c346bd 100644
--- a/js/gamutable.es6.js
+++ b/js/gamutable.es6.js
@@ -56,7 +56,12 @@ jQuery(function () {
 		let width = $(this).data('width');
 		if (width !== undefined) {
 			data.width = width;
+			let valeur_reduite = ($(window).width() * width) / 100;
+			url += '&largeur=' + valeur_reduite + 'px';
 		}
+		data.onShow = () => {
+			jQuery.getScript('local/mon_site.js');
+		};
 		$.modalbox(url, data);
 	});
 
diff --git a/js/gamutable.js b/js/gamutable.js
index e4141c7..2c3457d 100644
--- a/js/gamutable.js
+++ b/js/gamutable.js
@@ -89,8 +89,14 @@ jQuery(function () {
 
     if (width !== undefined) {
       data.width = width;
+      var valeur_reduite = $(window).width() * width / 100;
+      url += '&largeur=' + valeur_reduite + 'px';
     }
 
+    data.onShow = function () {
+      jQuery.getScript('local/mon_site.js');
+    };
+
     $.modalbox(url, data);
   }); // lancement d'une médiabox