var popups = [];
function wopen(url) {
    var rand = parseInt(Math.random() * 1E10);
    popups[popups.length] = window.open(url, 'newWindow'+rand, "width=200, height=200, top=100, left=100, toolbar=no, menubar=no, scrollbars=yes, resizable=yes" );
    for (var i = 0; i < popups.length; i++)
        popups[i].focus();
    return false;
}