var tmp = false;
function showPicture (hand, nam, file, w, h)
{
if (tmp) {tmp.close();};
openInCenter (hand, w, h);
tmp.document.clear();
tmp.document.write('');
tmp.document.write('');
tmp.document.write('');
tmp.document.write(''+nam+'');
tmp.document.write('');
tmp.document.write('');
tmp.document.write('
');
tmp.document.write('');
tmp.document.write('');
tmp.document.write('');
tmp.focus();
}
function openInCenter (nam, w, h)
{
var dleft = (screen.availWidth - w) / 2;
var dtop = (screen.availHeight - h) / 2;
tmp = window.open ('', nam, 'left='+dleft+',top='+dtop+',width='+w+',height='+h+',menubar=0,scrollbars=0,resizable=0,status=0');
}