function ProcessImn()
{
       if (typeof(ctx)=="undefined") return;
       if (ctx.CurrentUserId == -1) return;
       if (EnsureIMNControl() && IMNControlObj.PresenceEnabled)
       {
              imnElems=document.getElementsByName("imnmark");
              imnElemsCount=imnElems.length;
              ProcessImnMarkers();
       }
}