$(function () {
  $('.bubbleInfo').each(function () {
    // options
    var distance = 10;
    var time = 200;
    var hideDelay = 200;

    var hideDelayTimer = null;

    // tracker
    var beingShown = false;
    var shown = false;
    
    var trigger = $('.trigger', this);
    var popup = $('.popup', this).css('opacity', 0);

    // set the mouseover and mouseout on both element
    $([trigger.get(0), popup.get(0)]).mouseover(function () {
      // stops the hide event if we move from the trigger to the popup element
      if (hideDelayTimer) clearTimeout(hideDelayTimer);

      // don't trigger the animation again if we're being shown, or already visible
      if (beingShown || shown) {
        return;
      } else {
        beingShown = true;

        // reset position of popup box
        popup.css({
          top: -100,
          left: -33,
          display: 'block' // brings the popup back in to view
        })

        // (we're using chaining on the popup) now animate it's opacity and position
        .animate({
          top: '-=' + distance + 'px',
          opacity: 1
        }, time, 'swing', function() {
          // once the animation is complete, set the tracker variables
          beingShown = false;
          shown = true;
        });
      }
    }).mouseout(function () {
      // reset the timer if we get fired again - avoids double animations
      if (hideDelayTimer) clearTimeout(hideDelayTimer);
      
      // store the timer so that it can be cleared in the mouseover if required
      hideDelayTimer = setTimeout(function () {
        hideDelayTimer = null;
        popup.animate({
          top: '-=' + distance + 'px',
          opacity: 0
        }, time, 'swing', function () {
          // once the animate is complete, set the tracker variables
          shown = false;
          // hide the popup entirely after the effect (opacity alone doesn't do the job)
          popup.css('display', 'none');
        });
      }, hideDelay);
    });
  });
});
var $slider=$('#slider'); //we save the slider
var $defaultimage=$('img', $slider); //and the default image

//mouseenter for the link
$('.trigger .hoverlink').hover(function () { 
  var filename=$(this).attr('data-img'); //we get the filename from data-img

  $('<img id="hoverimage" src="'+filename+'" alt="" />')
    .appendTo($slider).fadeIn(500); //append and fade in new image (#hoverimage)

  $defaultimage.fadeOut(500); //fade out default image
}, 
//mouseleave for the link
function () { 
  $('#hoverimage').fadeOut(500, function () { //fade out #hoverimage
    $(this).remove(); //when animation is done, remove it
  });

  $defaultimage.fadeIn(500); //meanwhile fade in original image
});