function initSlider() {
  $('.slideshow').nivoSlider({
  effect:'fade', //Specify sets like: 'fold,fade,sliceDown'
  animSpeed:1000,
  pauseTime:6000,
  startSlide:0, //Set starting Slide (0 index)
  directionNav:false, //Next & Prev
  directionNavHide:true, //Only show on hover
  controlNav:false, //1,2,3...
  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:false, //Use left & right arrows
  pauseOnHover:false, //Stop animation while hovering
  manualAdvance:false, //Force manual transitions
  captionOpacity:0.8 //Universal caption opacity
  });

  $('.slideshow').data('nivo:vars').stop = true;
}

function startSlider(slider) {
  $('.slideshow').data('nivo:vars').stop = true;
  $('.slideshow').css('display', 'none');
  $(slider).css('display', 'block');
  $(slider).data('nivo:vars').stop = false;

  sliding = slider;
}