Your browser pop-up windows.
result = window.open("popped.html", "popped", "width=10, height=10, location=no, menubar=no, status=no, toolbar=no, scrollbars=no, resizable=no");
if (result != null) html = "is not blocking";
else html = "is blocking";
This test may fail under some circumstances. Problems have been reported with the AOL toolbar pop-up blocker.
If you have any insights, workarounds or comments about this test page please contact Mickey Segal. A listing of many Java resources is at this link.