gistfile1.txt

<script type="text/javascript">
    function loadImageFileAsURL()
    {
        var filesSelected = document.getElementById("image").files;
        var base64 = document.getElementById("base64");
        if (filesSelected.length > 0)
        {
            var fileToLoad = filesSelected[0];

            var fileReader = new FileReader();

            fileReader.onload = function(fileLoadedEvent)
            {
                var textAreaFileContents = document.getElementById
                (
                        "textAreaFileContents"
                );

                textAreaFileContents.innerHTML = fileLoadedEvent.target.result;
                base64.value = fileLoadedEvent.target.result;
            };

            fileReader.readAsDataURL(fileToLoad);
        }
    }


</script>