Remove remotipart (not working with ie9) the upload is working except that the pop-up does not disappear in ie

app/assets/javascripts/ajax_form.js

@@ -2,6 +2,12 @@ $(document).on('click', '#ajax_form_submit', function(){
 	$('#ajaxForm').ajaxSubmit({
 		beforeSubmit: function(a,f,o) {
 			o.dataType = 'script';
+			if (o.dataType == 'script') {
+        o.url = o.url.split('?'); // split on GET params
+        if (o.url[0].substr(-3) != '.js') o.url[0] += '.js'; // force rails to respond to respond to the request with :format = js
+        o.url = o.url.join('?'); // join on GET params
+        alert(o.url)
+      }
 		}
 	});
 });

app/assets/javascripts/new_admin.js

@@ -17,4 +17,4 @@
 //= require side_bar_history
 //= require rss
 //= require ajax_form
-//= require jquery.remotipart
+//= require inc/ajax_setting