Fixed line ending issues on windows.

app/assets/javascripts/note.js

@@ -39,7 +39,7 @@ init:
 
     $("#note_attachment").change(function(e){
         var val = $('.input-file').val();
-        var filename = val.substr(val.lastIndexOf("/"));
+        var filename = val.replace(/^.*[\\\/]/, '');
         console.log(filename,val);
         $(".file_name").text(filename);
     });