diff --git a/orun/extjs/base.py b/orun/extjs/base.py
index 94d3bd3..6b7a050 100644
--- a/orun/extjs/base.py
+++ b/orun/extjs/base.py
@@ -5,11 +5,13 @@ import re
 
 __all__ = ['create', 'createByAlias', 'Component']
 
-def js_ajax(fn):
+def js_ajax(fn, arg_dict = {}):
     i = id(fn)
     js.live_methods[i] = fn
-    return "%s({'url': '%s', 'method': 'GET', 'params': {'fn': %d, 'id_': %s}, 'success': %s })"\
-        % (js.client.Ext.Ajax.request, js.AJAX_URL, i, js.client.this.id, js.function('eval(arguments[0].responseText);'))
+    func_args = ', '.join(['\'{k}\': {v}'.format( k = k,v = '\'%s\'' % v if type(v) is str else v  ) for k,v in arg_dict.items()])
+    if func_args != '': func_args = ', ' + func_args
+    return "%s({'url': '%s', 'method': 'GET', 'params': { 'fn': %d, 'id_': %s %s}, 'success': %s })"\
+        % (js.client.Ext.Ajax.request, js.AJAX_URL, i, js.client.this.id, func_args, js.function('eval(arguments[0].responseText);'))
 
 js.js_ajax = js_ajax
 
diff --git a/orun/js.py b/orun/js.py
index f85e7a9..2314bd4 100644
--- a/orun/js.py
+++ b/orun/js.py
@@ -8,6 +8,11 @@ js_ajax = None
 
 live_methods = {}
 
+class FuncWithParams(object):
+    def __init__(self, func, params):
+        self.func = func
+        self.params = params
+
 def _encoder(o):
     if isinstance(o, JsObject):
         return o._js
@@ -15,6 +20,8 @@ def _encoder(o):
         return block(str(o))
     elif isinstance(o, types.FunctionType) and js_ajax:
         return function(js_ajax(o))
+    elif isinstance(o, FuncWithParams):
+        return function(js_ajax(o.func, o.params))
     
 def encode(o):
     if isinstance(o, JsNode):