function userShowcase(image_data, height, width) {
  var staticSize = {
    height: height,
    width: width
  }
  var showcaseOpts = $.extend({
    images: image_data,
    animation: { type: 'fade' },
    titleBar: { autoHide: false, cssClass: 'picture_title', css: { height: '30px' } },
    navigator: { autoHide: true }
  }, staticSize)

  $(function() {
    $('#picture').showcase(showcaseOpts)
  })
  
}