$(function () {
  $('.imgTooltip').each(function () {
   // options
   var distance = 10;
   var time = 250;
   var hideDelay = 500;
  
   var hideDelayTimer = null;
  
   // tracker
   var beingShown = false;
   var shown = false;
  
   var trigger = $(this);
   var popup = $('div.tooltip', this).css('opacity', 0);
  
   // set the mouseover and mouseout on both element
   $([trigger.get(0), popup.get(0)]).mouseenter(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({
      bottom: 140,
      left: -36,
      display: 'block' // brings the popup back in to view
     })
  
     // (we're using chaining on the popup) now animate it's opacity and position
     .animate({
      bottom: '+=' + distance + 'px',
      opacity: 1
     }, time, 'swing', function() {
      // once the animation is complete, set the tracker variables
      beingShown = false;
      shown = true;
     });
    }
   }).mouseleave(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({
      bottom: '-=' + 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);
   });
  });
 });