diff --git a/lib/assets/libs/_browser.js b/lib/assets/libs/_browser.js
new file mode 100644
--- /dev/null
+++ b/lib/assets/libs/_browser.js
@@ -0,0 +1,37 @@
+var $module=(function($B) {
+  return {
+    alert:function(message){window.alert($B.builtins.str(message))},
+    confirm: $B.JSObject(window.confirm),
+    console:$B.JSObject(window.console),
+    document:$B.DOMNode(document),
+    doc: $B.DOMNode(document),   //want to use document instead of doc
+    DOMEvent:$B.DOMEvent,
+    DOMNode:$B.DOMNode,
+    mouseCoords: function(ev){return $B.JSObject($mouseCoords(ev))},
+    prompt: function(message, default_value){
+        return $B.JSObject(window.prompt(message, default_value||''))
+    },
+    reload: function(){
+        // Try to reload all scripts and all imported modules
+        var scripts=document.getElementsByTagName('script'),$elts=[]
+        // Freeze the list of scripts here ; other scripts can be inserted on
+        // the fly by viruses
+        for(var i=0;i<scripts.length;i++){
+            var script = scripts[i]
+            if(script.type!="text/python" && script.type!="text/python3"){
+                $elts.push(script)
+            }
+        }
+        console.log('scripts to reload', $elts)
+    },
+    win: $B.win,
+    window: $B.win,
+    URLParameter:function(name) {
+       name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
+       var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
+           results = regex.exec(location.search);
+       results= results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
+       return $B.builtins.str(results);
+    }
+  }
+})(__BRYTHON__)