RTL Support
RadAsyncUpload include support for right-to-left locales using the direction attribute. If you set dir="rtl" on the RadAsyncUpload or for any parent HTML element, the control reverses order of the elements and aligns itself to the right side of its container:
<telerik:RadAsyncUpload RenderMode="Lightweight" id="RadAsyncUpload1" runat="server" dir="rtl" Skin="Office2007">
</telerik:RadAsyncUpload>
This produces the following result: