function popupimg(tag, width, height, title) {
LeftPosition = (screen.width) ? (screen.width - width) / 2 : 100;
TopPosition = (screen.height) ? (screen.height - height - 30) / 2 : 100;
settings = 'width=' + width + ',height=' + height + ',top=' + TopPosition + ', left=' + LeftPosition +
',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win = window.open("", tag.target, settings);
win.document.write("" + title + "" +
"\n" +
"document.onmousedown = function(mouseEvent) { if (!mouseEvent && document.all && (event.button == 2)) window.close() }\n" +
"document.onmouseup = function(mouseEvent) { if (mouseEvent && (mouseEvent.which == 3)) window.close() }\n" +
"" +
"" +
"" +
"![](" + tag.href + ") |
");
win.document.close();
return false;
}