function OpenWindow(dove, wid, hei, centered) {
    var options = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0";
    options += ",width=" + wid + ",height=" + hei;
    if (centered == 1) {
        if (screen) {
            var bottom = screen.availHeight;
            var right = screen.availWidth;
            var pos_x = parseInt((right - wid) / 2);
            var pos_y = parseInt((bottom - hei) / 2);
            options += (',left=' + pos_x + ',top=' + pos_y);
        }
    }
    else {
        options += (",left=0,top=0");
    }
    window.open(dove, '', options);
}

function OpenWindowWithScrollbar(dove, wid, hei, centered) {
    var options = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0";
    options += ",width=" + wid + ",height=" + hei;
    if (centered == 1) {
        if (screen) {
            var bottom = screen.availHeight;
            var right = screen.availWidth;
            var pos_x = parseInt((right - wid) / 2);
            var pos_y = parseInt((bottom - hei) / 2);
            options += (',left=' + pos_x + ',top=' + pos_y);
        }
    }
    else {
        options += (",left=0,top=0");
    }
    window.open(dove, '', options);
}