$(document).ready(function() {      
     
    //Execute the slideShow, set 8 seconds for each images
    if($('ul.slideshow').length)
    {
      slideShow(6000);
    }
 
});
 
function slideShow(speed) {
 
 
    //append a LI item to the UL list for displaying caption
    $('ul.slideshow').append('<li id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></li>');
 
    //Set the opacity of all images to 0
    $('ul.slideshow li').css({opacity: 0.0});
     
    //Get the first image and display it (set it to full opacity)
    $('ul.slideshow li:first').css({opacity: 1.0}).addClass('show');

    //Display the caption
    $('#slideshow-caption').css({opacity: 0.7, bottom:0});

    var title = $('ul.slideshow li.show').find('img').attr('title') 
    var desc = $('ul.slideshow li.show').find('img').attr('alt');    

    if(title.length)
    {
      //Get the caption of the first image from REL attribute and display it
      $('#slideshow-caption h3').html(title);
      $('#slideshow-caption p').html(desc);     

      $('#slideshow-caption').delay(speed/4).slideToggle(1000).delay(speed/3).slideToggle(1000);      	
    }

     
    //Call the gallery function to run the slideshow    
    var timer = setInterval('gallery('+speed+')',speed);
          
}
 
function gallery(speed) {
 
 
    //if no IMGs have the show class, grab the first image
    var current = ($('ul.slideshow li.show')?  $('ul.slideshow li.show') : $('#ul.slideshow li:first'));
 
    //trying to avoid speed issue
    if(current.queue('fx').length == 0) {
 
        //Get next image, if it reached the end of the slideshow, rotate it back to the first image
        var next = ((current.next().length) ? ((current.next().attr('id') == 'slideshow-caption')? $('ul.slideshow li:first') :current.next()) : $('ul.slideshow li:first'));
             
        //Get next image caption
        var title = next.find('img').attr('title'); 
        var desc = next.find('img').attr('alt');    
             
        //Set the fade in effect for the next image, show class has higher z-index
        next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, speed/4);

        if(title.length)
        {
          $('#slideshow-caption h3').html(title); 
          $('#slideshow-caption p').html(desc); 
 
          $('#slideshow-caption').delay(speed/4).slideToggle(1000).delay(speed/3).slideToggle(1000); 
        }
              
        //Hide the current image
        current.animate({opacity: 0.0}, speed/4).removeClass('show'); 
    }
}