function OpenCenteredMaximized(url, name)
{
    return window.open(url, name, "width=" + (window.screen.availWidth - 12) + ",height=" + (window.screen.availHeight - 126) + ",left=0,top=0,location=yes,scrollbars=yes,toolbar=yes,resizable=yes,status=yes");
}

function OpenCentered(url, name, width, height)
{
    var left = (window.screen.width - width) / 2;
    var top = (window.screen.height - height) / 2;
    
    return window.open(url, name, "width=" + width + ",height=" + height + ",left=" + left + ",top=" + top + ",scrollbars=yes,toolbar=no,resizable=no,status=no");
}