diff --git a/plugins/legacy_browser/js/iehacks.js b/plugins/legacy_browser/js/iehacks.js
index 91dc6d63a..8f88e6f57 100644
--- a/plugins/legacy_browser/js/iehacks.js
+++ b/plugins/legacy_browser/js/iehacks.js
@@ -96,3 +96,13 @@ rcube_webmail.prototype.get_input_selection = function(obj)
return {start: start, end: end, text: normalizedValue.substr(start, end-start)};
};
+
+// For IE<9 we have to do it this way
+// otherwise the form will be posted to a new window
+rcube_webmail.prototype.async_upload_form_frame = function(name)
+{
+ document.body.insertAdjacentHTML('BeforeEnd', '');
+
+ return $('iframe[name="' + name + '"]');
+};
diff --git a/program/js/app.js b/program/js/app.js
index 499e2a2de..9909a02fe 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -7497,8 +7497,10 @@ function rcube_webmail()
// post the given form to a hidden iframe
this.async_upload_form = function(form, action, onload)
{
- var frame, ts = new Date().getTime(),
- frame_name = 'rcmupload'+ts;
+ // create hidden iframe
+ var ts = new Date().getTime(),
+ frame_name = 'rcmupload' + ts,
+ frame = this.async_upload_form_frame(frame_name);
// upload progress support
if (this.env.upload_progress_name) {
@@ -7513,21 +7515,7 @@ function rcube_webmail()
field.val(ts);
}
- // have to do it this way for IE
- // otherwise the form will be posted to a new window
- if (document.all) {
- document.body.insertAdjacentHTML('BeforeEnd', '');
- frame = $('iframe[name="'+frame_name+'"]');
- }
- // for standards-compliant browsers
- else {
- frame = $('