/*
 - Description
	jQuery Dynamic Slideshow Plugin
 - Author
	Yusuf Najmuddin (ynzi.com)
 - Licence
	GNU Lesser General Public License
 - Usage
	$("#slideshow").dynamicSlideshow();

	OR

	$("#slideshow").dynamicSlideshow({duration: 5000});

 - Date 6/30/2009
 - Version 1.0

*/


jQuery.fn.dynamicSlideshow = function(attr) {
	attr = attr || {};
	attr.duration = attr.duration || 3000;
	function initSlider(container, img) {
		var curr = 1;
		setInterval( function(){
			if (curr == img.length) {
				curr = 0;
			}
			var i = new Image();
			$(i).load(function(){
				$(container).append(this);
				$(container).find('img:first').css({'z-index': 1});
				$(this).css({opacity: 0.0, 'z-index': 2}).animate({opacity: 1.0}, 1000, function() {
						$(container).find('img:first').remove();
					})
			}).attr('src', img[curr++]).css({position:'absolute',top:0,left:0,'z-index':8});
		}, attr.duration );
	};

	$(this).each(function(){
		var img = [];
		$(this).find("a").each(function(){
			img.push($(this).attr("href"));		
		});
		var j = new Image();
		var container = this;
		$(this).empty();
		$(j).attr('src', img[0]).css({position:'absolute',top:0,left:0,'z-index':0}).load(function(){
			$(container).append(this);
			initSlider(container, img);
		});
	});
}