var viewer;
function viewImage(src, w, h)
{
if (viewer && !viewer.closed)
viewer.close();
w += 40;
h += 40;
viewer = window.open(src, "preview", "width=" + w + ",height=" + h + ",toolbar=no,status=no,scrollbars=no,menubar=no,resizable=no");
viewer.document.open();
viewer.document.write("Preview image![\"\"](\"")
");
viewer.document.close();
viewer.focus();
return false;
}