function limitText(text, maxlength)
{
    if (text.length > maxlength)
        return text.substr(0, maxlength - 3) + "...";
    else
        return text;
}

function trim(s) {
    var m = s.match(/^\s*(\S+(\s+\S+)*)\s*$/);
    return (m == null) ? "" : m[1];
}