_uploadStarted = true;
if (hasBinding("uploadStarted")) {
setValueForBinding(Boolean.TRUE, "uploadStarted");
}
AjaxResponse response = AjaxUtils.createResponse(context().request(), context());
AjaxUtils.appendScriptHeaderIfNecessary(context().request(), response);
response.appendContentString("document." + uploadFormID() + ".submit();");
AjaxUtils.appendScriptFooterIfNecessary(context().request(), response);
return response;
}