$(document).ready(function() {
  
    var incrementForDesc= 0 //track Desc incrementor
    
    $(".desc").eq(incrementForDesc).slideToggle("slow");
    
    //Set Default State of each portfolio piece
    $(".paging").show();
    $(".paging a:first").addClass("active");
        
    //Get size of images, how many there are, then determin the size of the image reel.
    var imageWidth = $(".window").width();
    var imageSum = $(".image_reel img").size();
    var imageReelWidth = imageWidth * imageSum;
    
    //Adjust the image reel to its new size
    $(".image_reel").css({'width' : imageReelWidth});
    
    //Paging + Slider Function
    rotate = function(){    
        $(".desc").eq(incrementForDesc).slideToggle("slow"); //turn off Desc
        
        var triggerID = $active.attr("rel") - 1; //Get number of times to slide
        incrementForDesc = triggerID //track Desc incrementor
        var image_reelPosition = triggerID * imageWidth; //Determines the distance the image reel needs to slide

        $(".paging a").removeClass('active'); //Remove all active class
        $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)
        
        //Slider Animation
        $(".image_reel").animate({
            left: -image_reelPosition
        }, 500 );
        $(".desc").eq(incrementForDesc ).slideToggle("slow"); //turn on Desc
    };
    
    
    //Rotation + Timing Event
    rotateSwitch = function(){
      
        play = setInterval(function(){ //Set timer - this will repeat itself every 3 seconds
          
            $active = $('.paging a.active').next();
            if ( $active.length === 0) { //If paging reaches the end...
                $active = $('.paging a:first'); //go back to first
            }
            rotate(); //Trigger the paging and slider function
          
         
        }, 7000); //Timer speed in milliseconds (3 seconds)
    };
    
    rotateSwitch(); //Run function on launch
    
    //On Hover
    $(".image_reel a").hover(function() {
        clearInterval(play); //Stop the rotation
    }, function() {
        rotateSwitch(); //Resume rotation
    });    
    
    //slide up and down when hover over heading 2
    //$(".window").hover(function(){
        // slide toggle effect set to slow you can set it to fast too.
       // $(".desc").eq( $('.paging a.active').attr("rel") - 1 ).slideToggle("slow");
        //return true;
    //});
    
    //On Click
    $(".paging a").click(function() {    
        $active = $(this); //Activate the clicked paging
        //Reset Timer
        clearInterval(play); //Stop the rotation
        rotate(); //Trigger rotation immediately
        rotateSwitch(); // Resume rotation
        return false; //Prevent browser jump to link anchor
    });    
    
});