jQuery ajax .load() - callback waits for images to load

scripts.js

$('#newsletter').load('content.html', function() {
    var images = $('#newsletter img');
    var nimages = images.length;
    images.load(function() {
        nimages--;
        if(nimages == 0) {
            // images loaded. now execute Callback:
            alert('all images loaded!');
        }
    });
});