Попробуй
j('.slider-wrapper').html('');
j('.slider-wrapper').html(request);
j('#slider').nivoSlider({
effect: 'fade', // Specify sets like: 'fold,fade,sliceDown'
slices: 15, // For slice animations
boxCols: 8, // For box animations
boxRows: 4, // For box animations
animSpeed: 5, // Slide transition speed
pauseTime: 3000, // How long each slide will show
startSlide: 0, // Set starting Slide (0 index)
directionNav: true, // Next & Prev navigation
directionNavHide: true, // Only show on hover
controlNav: false, // 1,2,3... navigation
controlNavThumbs: false, // Use thumbnails for Control Nav
controlNavThumbsFromRel: false, // Use image rel for thumbs
controlNavThumbsSearch: '.jpg', // Replace this with...
controlNavThumbsReplace: '_thumb.jpg', // ...this in thumb Image src
keyboardNav: true, // Use left & right arrows
pauseOnHover: true, // Stop animation while hovering
manualAdvance: false, // Force manual transitions
captionOpacity: 0.8, // Universal caption opacity
prevText: 'Prev', // Prev directionNav text
nextText: 'Next', // Next directionNav text
beforeChange: function(){}, // Triggers before a slide transition
afterChange: function(){}, // Triggers after a slide transition
slideshowEnd: function(){}, // Triggers after all slides have been shown
lastSlide: function(){}, // Triggers when last slide is shown
afterLoad: function(){} // Triggers when slider has loaded
});