// JavaScript Document
// Set to RSS Feed URL of Inline Content Listing By Folder web feature
var imagesURI = "http://www.wgaesf.org/site/apps/nl/rss2.asp?c=dwJTKiO0JgI8G&b=6021457";
// Set to base domain to the url of the website
var imagesURL = "http://www.wgaesf.org/site/apps/rss/getpage.aspx?url=" + escape(imagesURI);

$(document).ready(function(){
 $.ajax({
  type: "GET",
     url: imagesURI,
     dataType: "xml",
     success: insertImages
   });
});

function insertImages(xml){
	var cnt = 0;
	var trigger = "";
	var myInsert = "";
 	$(xml).find("item").each(function(i){
		myTitle = $(this).find("title").text();
  		mySubTitle = $(this).find("description").text();
  		myImage = $(this).find("*").eq(9).text();
  		myLink = $(this).find("link").text();

		cnt++;
		
		if(cnt == 1){trigger = "show"}else{trigger = ""}
		
		myInsert = myInsert + "<a href='" + myLink + "' class='" + trigger + "'>";
		myInsert = myInsert + "<img src='" + myImage + "' alt='" + myTitle + "' border='0' width='745' height='320' rel='<h3>" + myTitle + "</h3>" + mySubTitle + "'/>";
		myInsert = myInsert + "</a>";
	});
	
	myInsert = myInsert + "<div class='caption'><div class='content'></div></div>";
 	
	$("#gallery").html(myInsert);
	slideShow();
}

function slideShow() {
	//Set the opacity of all images to 0
	$('#gallery a').css({opacity: 0.0});
	//Get the first image and display it (set it to full opacity)
	$('#gallery a:first').css({opacity: 1.0});
	//Set the caption background to semi-transparent
	$('#gallery .caption').css({opacity: 0.7});
	//Resize the width of the caption according to the image width
	$('#gallery .caption').css({width: $('#gallery a').find('img').css('width')});
	//Get the caption of the first image from REL attribute and display it
	$('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
	.animate({opacity: 0.7}, 400);
	//Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
	setInterval('gallery()',6000);
}

function gallery() {
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));
	//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().hasClass('caption'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));	
	//Get next image caption
	var caption = next.find('img').attr('rel');	
	//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}, 1000);
	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	//Set the opacity to 0 and height to 1px
	$('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:0 }).animate({height: '1px'}, { queue:true, duration:300 });	
	//Animate the caption, opacity to 0.7 and heigth to 80px, a slide up effect
	$('#gallery .caption').animate({opacity: 0.7},100 ).animate({height: '80px'},500 );
	//Display the content
	$('#gallery .content').html(caption);
}

function galleryPrev() {
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));
	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var prev = ((current.prev().length) ? ((current.prev().hasClass('caption'))? $('#gallery a:first') :current.prev()) : $('#gallery a:first'));	
	//Get next image caption
	var caption = prev.find('img').attr('rel');	
	//Set the fade in effect for the next image, show class has higher z-index
	prev.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);
	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	//Set the opacity to 0 and height to 1px
	$('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:0 }).animate({height: '1px'}, { queue:true, duration:300 });	
	//Animate the caption, opacity to 0.7 and heigth to 80px, a slide up effect
	$('#gallery .caption').animate({opacity: 0.7},100 ).animate({height: '80px'},500 );
	//Display the content
	$('#gallery .content').html(caption);
}