function eliminarTarea(e)
    {
        var id_tarea = this.children[0].getAttribute("data-id");

        var xhr;

        if(window.XMLHttpRequest)
            xhr = new XMLHttpRequest();
        else
            xhr = new ActiveXObject("Microsoft.XMLHTTP");

        xhr.onreadystatechange = function(){
            if(xhr.readyState == 4 && xhr.status == 200)
            {
                var data = xhr.responseText;

                if(data == 1)
                {
                    var fila = e.currentTarget;
                    console.log(fila);
                }
                else
                    alert("No se pudo eliminar la tarea");
            }
        }

        xhr.open("POST", "lib/delete.php", true);
        xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        xhr.send("id_tarea=" + id_tarea);

        e.preventDefault();
    }