function openBare(url, tag, w, h)
{
     w = window.open(url, tag, 
     "toolbar=0,status=no,scrollbars=yes,width="+w+",height="+h);
     w.focus();
}

function openHelp(anchor)
{
    url="/buy/help.html#"+anchor;
    openBare(url, "help", 400, 500);
}

function openLicense(url)
{   
    openBare(url, "license", 800, 940);
}