1 files changed, 30 insertions, 0 deletions
diff --git a/etherpad/src/etherpad/helpers.js b/etherpad/src/etherpad/helpers.js
index e16c2f7..54bee2d 100644
--- a/etherpad/src/etherpad/helpers.js
+++ b/etherpad/src/etherpad/helpers.js
@@ -77,6 +77,10 @@ function addClientVars(vars) {
   });
 }
 
+function getClientVar(name) {
+  return _hd().clientVars[name];
+}
+
 function addToHead(stuff) {
   _hd().headExtra += stuff;
 }
@@ -274,3 +278,29 @@ function rafterTerminationDate() {
   return "March 31, 2010";
 }
 
+function updateToUrl(setParams, deleteParams, setPath) {
+  var params = {};
+
+  for (param in request.params)
+    if (deleteParams === undefined || deleteParams.indexOf(param) == -1)
+      params[param] = request.params[param];
+
+  if (setParams !== undefined)
+    for (param in setParams)
+      params[param] = setParams[param];
+
+  var path = request.path;
+  if (setPath !== undefined)
+    path = setPath;
+
+  var paramStr = '';
+  for (param in params) {
+    if (paramStr == '')
+      paramStr += '?';
+    else
+      paramStr += '&';
+    paramStr += param + '=' + params[param];
+  }
+
+  return path + paramStr;
+}
+\ No newline at end of file