var popexwin = null;

function popEx(ref)
{   if ( popexwin == null || popexwin.closed ) 
    {  popexwin=window.open(ref, "WDPExample","scrollbars=yes,resizable=yes,toolbar=yes,menubar=yes,width=500,height=375,alwaysRaised=yes");
       popexwin.focus();
    }
    else
    {  popexwin.location=ref;
       popexwin.focus();
    }
}

var poplinkwin = null;

function popLink(ref)
{   if ( poplinkwin == null || poplinkwin.closed ) 
    {  poplinkwin=window.open(ref, "WDPLink",
          'toolbar=yes,menubar=yes,location=yes,scrollbars=yes,width=765,height=550');
       poplinkwin.focus();
    }
    else
    {  poplinkwin.location=ref;
       poplinkwin.focus();
    }
}