Load profile content for selected profile

js/Util.js

@@ -0,0 +1,30 @@
+BR.Util = {
+
+    get: function(url, cb) {
+        var xhr = new XMLHttpRequest();
+
+        xhr.open('GET', url, true);
+        xhr.onload = function() {
+            if ((xhr.status === 200 || xhr.status === 0) && xhr.responseText) {
+                cb(null, xhr.responseText);
+            } else {
+                cb(BR.Util.getError(xhr));
+            }
+        };
+        xhr.onerror = function() {
+            cb(BR.Util.getError(xhr));
+        };
+        xhr.send();
+    },
+
+    getError: function(xhr) {
+        var msg = 'no response from server';
+        if (xhr.responseText) {
+          msg = xhr.responseText;
+        } else if (xhr.status || xhr.statusText) {
+          msg = xhr.status + ': ' + xhr.statusText;
+        }
+        return new Error(msg);
+    }
+
+};