diff --git a/public/js/app.js b/public/js/app.js
index d656b40..03a60a8 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -1,5 +1,8 @@
 'use strict';
 
+var serverUrl = 'http://caron.ads.intra.inist.fr:53390';
+var apiUrl = 'http://api.istex.fr/';
+
 var searchFieldsService = function() {
     var searchFields = {
         searchField: "",
@@ -23,7 +26,7 @@
         $("#result").css("opacity", 0.4);
 
         var request = {
-            url: "http://api.istex.fr/" + query,
+            url: apiUrl + query,
             jsonp: true,
             crossDomain: true,
             success: function(data) {
@@ -53,22 +56,22 @@
             var typeFile;
             switch (argument[i].mimetype) {
                 case 'application/zip':
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/zip.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/zip.png'
                     break;
                 case 'application/pdf':
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/pdf.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/pdf.png'
                     break;
                 case 'image/tiff':
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/tiff.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/tiff.png'
                     break;
                 case 'application/xml':
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/xml.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/xml.png'
                     break;
                 case 'application/mods+xml':
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/mods.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/mods.png'
                     break;
                 default:
-                    typeFile = 'http://caron.ads.intra.inist.fr:53390/img/mimetypes/32px/_blank.png'
+                    typeFile = serverUrl+'/img/mimetypes/32px/_blank.png'
                     break;
             }
             console.log("<a href=\"" + argument[i].uri + "\" target=\"_blank\"><img src=\"" + typeFile + "\" alt=\'" + argument[i].type + "\' title=\'" + argument[i].type + "\'></a>");
diff --git a/public/js/istex-widget.js b/public/js/istex-widget.js
index 3fc0f98..bc0c263 100644
--- a/public/js/istex-widget.js
+++ b/public/js/istex-widget.js
@@ -1,5 +1,7 @@
 'use strict'
 
+var serverUrl = 'http://caron.ads.intra.inist.fr:53390';
+
 var IstexWidget = function() {};
 
 IstexWidget.prototype = {
@@ -10,16 +12,16 @@
         searchWidget.setAttribute('ng-controller', 'istexWidgetCtrl');
         var resultsWidget = document.getElementById('istex-widget-results');
         resultsWidget.setAttribute('ng-controller', 'istexWidgetCtrl');
-        addHtml("istex-widget-search", "http://caron.ads.intra.inist.fr:53390/html/part_search.html");
-        addHtml("istex-widget-results", "http://caron.ads.intra.inist.fr:53390/html/part_results.html");
-        //addHtml("istex-widget-facets", "http://caron.ads.intra.inist.fr:53390/html/part_facets.html");
+        addHtml("istex-widget-search", serverUrl+"/html/part_search.html");
+        addHtml("istex-widget-results", serverUrl+"/html/part_results.html");
+        //addHtml("istex-widget-facets", serverUrl+"/html/part_facets.html");
 
     },
 
     injectCSS: function() {
-        addCSS("//caron.ads.intra.inist.fr:53390/css/part_search.css");
-        addCSS("//caron.ads.intra.inist.fr:53390/css/part_results.css");
-        addCSS("//caron.ads.intra.inist.fr:53390/css/part_facets.css");
+        addCSS(serverUrl+"/css/part_search.css");
+        addCSS(serverUrl+"/css/part_results.css");
+        addCSS(serverUrl+"/css/part_facets.css");
         addCSS("//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css");
     },
 
@@ -28,7 +30,7 @@
             "http://ajax.googleapis.com/ajax/libs/angularjs/1.2.15/angular.min.js",
             "http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js",
             "http://netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js",
-            "http://caron.ads.intra.inist.fr:53390/js/app.js"
+            serverUrl+"/js/app.js"
         ]);
     }
 };