Save requests to the right place

.htaccess

 RewriteEngine On
 RewriteRule ^/?res/data/layouts/([0-9]+).js http://backend.layoutviewer.co.uk/getLayout/$1.js [P]
+RewriteRule ^/?res/data/layouts/new http://backend.layoutviewer.co.uk/saveLayout [P]

res/js/viewer.js

 
   $.ajax({
    type: 'POST',
-   url: 'data/layouts/new',
+   url: 'res/data/layouts/new',
    data: JSON.stringify(layout),
    success: function(res) {
     var url = window.location.href + "?id=" + res;