var popwin= null;
function imgPop(img){
if(popwin!= null) popwin.close();
opt='width=200,height=200,toolbar=no,location=no,directories=no,status=no,menuBar=no,scrollBars=yes,resizable=no';
popwin=window.open('','',opt)
popwin.document.clear()
popwin.document.write('NS Image Viewer');
popwin.document.write('');
popwin.document.write('');
popwin.document.write('
');
popwin.document.write('