function ConvertToURLString(value) {

    value = value.replace(/ /g, '-');

    value = encodeURIComponent(value);

    return value;

}

function ConvertFromURLString(value) {

    value = value.replace(/-/g, ' ');

    value = decodeURIComponent(value);

    value = value.replace('+', ' ');

    return value;

}