function readTextFile(file)
    {
        var rawFile = new XMLHttpRequest();
        rawFile.open("GET", file, false);
        rawFile.onreadystatechange = function ()
        {
                if(rawFile.readyState === 4)
                {
                        if(rawFile.status === 200 || rawFile.status == 0)
                        {
                                var allText = rawFile.responseText;
                                alert(allText);
                        }
                }
        }
        rawFile.send(null);
    }