$(function(){
    $(".main_image .desc").show(); //Show Banner
    $(".main_image .block").animate({ opacity: 0.85 }, 1 ); //Set Opacity
    
    $(".image_thumb ul li:first").addClass('active');  //Add the active class (highlights the very first list item by default)
    $(".image_thumb ul li").click(function(){
        if ($(this).index() == 3){
            if (curclicked == 3){
                $(this).removeClass('active');
                if (curpaused == 3){curpaused = 0;}
                $(".image_thumb ul li").eq(curpaused).trigger('click');
            }else{
                $(this).addClass('active');
                theInterval(3);
            }
        }else{
            //Set Variables
            var imgAlt = $(this).find('a').attr("rel"); //Get Alt Tag of Image
            var imgTitle = $(this).find('a').attr("href"); //Get Main Image URL
            var imgDesc = $(this).find('.navblock').html();  //Get HTML of the "block" container
            var imgDescHeight = $(".main_image").find('.block').height(); //Find the height of the "block"

            if ($(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
                $(".main_image .block").animate({ opacity: 0, marginBottom: -imgDescHeight }, 250 , function() { //Pull the block down (negative bottom margin of its own height)
                    $(".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
                    $(".main_image>img").attr({ src: imgTitle , alt: imgAlt}); //Switch the main image (URL + alt tag)
                });
            }
            
            //Show active list-item
            $(".image_thumb ul li").removeClass('active'); //Remove class of 'active' on all list-items
            $(this).addClass('active');  //Add class of 'active' on the selected list
            theInterval($(this).index());
        }
		
        return false;

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

var theInt = null;
var curclicked = 0;
var curpaused = 0;

theInterval = function(cur){
	clearInterval(theInt);

	if( typeof cur != 'undefined' )
	    curclicked = cur;

	if (curclicked < 3){
	    theInt = setInterval(function(){
	        $(".image_thumb ul li").eq(curclicked).trigger('click');
		    curclicked++;
		    if( 3 == curclicked )
			    curclicked = 0;
	    }, 6000);
	    
	    curpaused = curclicked+1;
	}
};

theInterval();