function jsUpload(upload_field)
{
    var re_text = /\.txt|\.css|\.html/i;
    var filename = upload_field.value;
    /* Checking file type */
    if (filename.search(re_text) == -1)
    {
        alert("File does not have text(txt, css, html) extension");
        upload_field.form.reset();
        return false;
    }

    upload_field.form.submit();
    document.getElementById('upload_status').value = "uploading file...";
   // upload_field.disabled = true;
    return true;

}

function jsText(upload_text){
    upload_text.form.submit();
    return true;
}