RadUpload and RadProgressArea include support for right-to-left locales using the direction attribute. If you set dir="rtl" on the RadUpload and/or RadProgressArea objects or to any parent HTML element, the controls reverse elements order and align themselves to the right side of its container:

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    <telerik:RadUpload ID="RadUpload1"
       runat="server"
       dir="rtl"
       Skin="Vista"
       ControlObjectsVisibility="all">
   </telerik:RadUpload><br />
   <telerik:RadProgressArea ID="RadProgressArea1"
       runat="server"
       Skin="Vista"
       dir="rtl"
       DisplayCancelButton="true">
   </telerik:RadProgressArea>

This produces the following result: