Converting an XML date string to a JavaScript Date object

function SwConvertXmlToDateTime(crmDateTimeString) {
    var dateTimeParts = crmDateTimeString.split("T");
    var dateString = dateTimeParts[0];
    var timeString = dateTimeParts[1];
    var dateParts = dateString.split("-");
    var timeZoneSeparator = (timeString.indexOf("-") != -1) ? "-" : "+";
    var timeZoneParts = timeString.split(timeZoneSeparator);
    var timeParts = timeZoneParts[0].split(":");

    var date = new Date(SwParseInt(dateParts[0]), SwParseInt(dateParts[1]) - 1, SwParseInt(dateParts[2]), SwParseInt(timeParts[0]), SwParseInt(timeParts[1]), SwParseInt(timeParts[2]));
    return date;
}

function SwParseInt(value) {
    if ((value.length == 2) && (value.substr(0, 1) == "0")) {
        value = value.substr(1, 1);
    }

    return parseInt(value);
}