$(document).ready(function() {		
	
	//Execute the slideShow, set 4 seconds for each images
	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"><a href=""><h4></h4></a><p></p></div></li>');

	//Set the opacity of all images to 0
	$('ul.slideshow li').hide();
	
	//Get the first image and display it (set it to full opacity)
	$('ul.slideshow li:first').show();
	var link=$('ul.slideshow a:first').attr('href');
	//Get the caption of the first image from REL attribute and display it
	$('#slideshow-caption h4').html($('ul.slideshow a:first').find('img').attr('title'));
    $('#slideshow-caption  a').attr('href',link);
	$('#slideshow-caption p').html($('ul.slideshow a:first').find('img').attr('alt'));
	$('#slideshow-caption p').append('<a  href="'+link+'">...المزيد  </a>');

	//Display the caption
	$('#slideshow-caption').show();
	
	//Call the gallery function to run the slideshow	
	var timer = setInterval('gallery("next")',speed);
	
	//pause the slideshow on mouse over
	$('ul.slideshow').hover(
		function () {
			clearInterval(timer);	
		}, 	
		function () {
			timer = setInterval('gallery("next")',speed);			
		}
	);
		$(".next").click(function () { 
	clearTimeout(timer);
     gallery('next');
	 timer = setInterval('gallery("next")',speed);
	 return false;
    });

	$(".previous").click(function () { 
	clearTimeout(timer);
     gallery('back');
	 timer = setInterval('gallery("next")',speed);
	 return false;
    });
}

function gallery(por) {
	//if no IMGs have the show class, grab the first image
	
	var current = $('ul.slideshow li.show'); 
	
	//Get next image, if it reached the end of the slideshow, rotate it back to the first image

	if (por=="next")
	var next =  current.next().attr('id') == 'slideshow-caption' ? $('ul.slideshow li:first') : $('ul.slideshow li.show').next();
	else
	var next = $('ul.slideshow li:first').hasClass("show") ? $('ul.slideshow li:last').prev() :$('ul.slideshow li.show').prev();
	

	//Get next image caption
	var title = next.find('img').attr('title');	
	var desc = next.find('img').attr('alt');	
    var link = next.find('a').attr('href');
	//Set the fade in effect for the next image, show class has higher z-index
	next.fadeOut("slow").addClass('show').fadeIn("slow");;
	
	//Hide the caption first, and then set and display the caption
	$('#slideshow-caption').fadeOut( function () {
			//Display the content
			$('#slideshow-caption h4').html(title);
			$('#slideshow-caption a').attr('href',link);
			$('#slideshow-caption p').html(desc);	
            $('#slideshow-caption p').append('<a  href="'+link+'">...المزيد  </a>');			
			$('#slideshow-caption').fadeIn();	
	});		

	//Hide the current image
	current.hide().removeClass('show');

}