function postAjax(url, data, success, error)
{
    callAjax(url, 'POST', data, success, error);
}

function getAjax(url, data, success, error)
{
    callAjax(url, 'GET', data, success, error);
}

function callAjax(url, type, data, success, error)
{
    $.ajax({
        url: url,
        data: data,
        cache: false,
        type: type,
        dataType: 'text',
        error: error,
        success: success
    });
}