public/javascripts/thumbnail.js
$(document).ready(function(){
// Prepare the preview for profile picture
$("#wizard-picture").change(function(){
readURL(this);
});
});
function readURL(input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function (e) {
$('#wizardPicturePreview').attr('src', e.target.result).fadeIn('slow');
};
reader.readAsDataURL(input.files[0]);
}
}