jQuery: preview image

jQuery: preview image

// Preview Image
    function preview(input) 
    {
        if (input.files && input.files[0]) 
        {
            var reader = new FileReader();

            reader.onload = function (e) {
                $('#preview_image')
                    .attr('src', e.target.result)
                    .width(160)
                    .height(160);
            };

            reader.readAsDataURL(input.files[0]);
        }
    }