jQuery(document).ready(function() {
  jQuery(".main_image .desc").show(); //Show Banner
  //jQuery(".main_image .block").animate({ opacity: 0.85 }, 1 ); //Set Opacity

  jQuery(".image_thumb ul li:first").addClass('active'); //Add the active class (highlights the very first list item by default)
  jQuery(".image_thumb ul li").click(function(){
      //Set Variables
      var imgAlt = jQuery(this).find('img').attr("alt"); //Get Alt Tag of Image
      var imgTitle = jQuery(this).find('a').attr("href"); //Get Main Image URL
      var imgDesc = jQuery(this).find('.block').html();  //Get HTML of the "block" container
      var imgDescHeight = jQuery(".main_image").find('.block').height(); //Find the height of the "block"

      if (jQuery(this).is(".active")) {  //If the list item is active/selected, then...
          return false; // Don't click through - Prevents repetitive animations on active/selected list-item
      } else { //If not active then...
          //Animate the Description
          jQuery(".main_image .block").animate({ opacity: 0, marginBottom: -imgDescHeight }, 250 , function() { //Pull the block down (negative bottom margin of its own height)
              jQuery(".main_image .block").html(imgDesc).animate({ opacity: 0.85,  marginBottom: "0" }, 250 ); //swap the html of the block, then pull the block container back up and set opacity
              jQuery(".main_image img").attr({ src: imgTitle , alt: imgAlt}); //Switch the main image (URL + alt tag)
          });
      }
      //Show active list-item
      jQuery(".image_thumb ul li").removeClass('active'); //Remove class of 'active' on all list-items
      jQuery(this).addClass('active');  //Add class of 'active' on the selected list
      return false;

  }) .hover(function(){ //Hover effects on list-item
      jQuery(this).addClass('hover'); //Add class "hover" on hover
      }, function() {
      jQuery(this).removeClass('hover'); //Remove class "hover" on hover out
  });

  jQuery("a.collapse").click(function(){
      jQuery(".main_banner .block").slideToggle(); //Toggle the description (slide up and down)
      jQuery("a.collapse").toggleClass("show"); //Toggle the class name of "show" (the hide/show tab)
  });

});