2 files changed, 26 insertions, 17 deletions
diff --git a/python/Dawn/static/dawn.js b/python/Dawn/static/dawn.js
index a282d6c1..27d4ca3c 100644
--- a/python/Dawn/static/dawn.js
+++ b/python/Dawn/static/dawn.js
@@ -1,6 +1,3 @@
-function $(s){
-    return document.getElementById(s)
-}
 var index_list = [];
 var bbg_map = {'CDX': ["IG", "HY"], 'ITRX': ["EUR", "XOVER"]}
 var index_series = ["21", "23", "24", "25"];
@@ -16,21 +13,11 @@ for(var begin_index in bbg_map){
     }
 };
 
-function callback(t) {
-    console.log(t);
+function callback(data) {
+    data = JSON.parse(data);
+    console.log(data);
 };
 
-function query_id(secur_id) {
-    var xhr = new XMLHttpRequest();
-    xhr.open('GET', "/_ajax?bbg_id="+encodeURIComponent(secur_id));
-    xhr.onreadystatechange = function() {
-        if( xhr.readyState === 4 ){
-            callback(xhr.responseText );
-        }
-    }
-    xhr.send();
-}
-
 var datalist = $('index_list');
 index_list.forEach(function(item){
     var option = document.createElement('option');
@@ -51,7 +38,7 @@ document.addEventListener("DOMContentLoaded", function(){
                                     });
     $('security_desc').setAttribute('list', 'index_list');
     $('security_desc').addEventListener('change', function(){
-        query_id(this.value);
+        query('../_ajax', {bbg_id: this.value}, callback);
     });
     var event = new Event('change');
     $('swap_type').dispatchEvent(event);
diff --git a/python/Dawn/static/utils.js b/python/Dawn/static/utils.js
new file mode 100644
index 00000000..0b886e8f
--- /dev/null
+++ b/python/Dawn/static/utils.js
@@ -0,0 +1,22 @@
+function $(s) {
+    return( document.getElementById(s) )
+}
+
+function encode_dict(d){
+    var r = []
+    for(var k in d){
+        r.push(encodeURIComponent(k) + '=' + encodeURIComponent(d[k]));
+    }
+    return r.join('&');
+}
+
+function query(url, params, callback){
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url + '?' + encode_dict(params));
+    xhr.onreadystatechange = function() {
+        if( xhr.readyState === 4){
+            callback(xhr.responseText);
+        }
+    }
+    xhr.send();
+}