[Javascript] window.open is NS6 doesn't work

[.ben]

Hi, has anyone here managed to open a pop-up window is NS6 (6.01) ???  I
have this function but it doesn't do anything!

function openWindow(strURL)
{
    var x;

    x = window.open(strUTL,'newwin')
}

any ideas?

Cheers,

 .ben