/*
 * 	Easy Slider - jQuery plugin
 *	written by Alen Grakalic
 *	http://cssglobe.com/post/3783/jquery-plugin-easy-image-or-content-slider
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */

/*
 *	markup example for $("#images").easySlider();
 *
 * 	<div id="images">
 *		<ul>
 *			<li><img src="images/01.jpg" alt="" /></li>
 *			<li><img src="images/02.jpg" alt="" /></li>
 *			<li><img src="images/03.jpg" alt="" /></li>
 *			<li><img src="images/04.jpg" alt="" /></li>
 *			<li><img src="images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *
 */

(function($) {

	$.fn.easySlider = function(options){

		// default configuration properties
		var defaults = {
			prevId: 		'prevBtn',
			nextId: 		'nextBtn',
			orientation:	'',
			speed: 			600
		};

		var options = $.extend(defaults, options);

		return this.each(function() {
			obj = $(this);
			var s = $(".slider_item", obj).length;
			var w = obj.width();
			var h = obj.height();
			var ts = s-1;
			var t = 0;
			var vertical = (options.orientation == 'vertical');
			if(!vertical)
			{
				$(".slider_item", obj).css('float','left');
				$("#slider_body", obj).css('width',s*w);
			}
			// $(obj).after('<span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span> <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>');
			$("a","#"+options.prevId).hide();
			$("a","#"+options.nextId).hide();
			$("a","#"+options.nextId).click(function(){
				animate("next");
				if (t>=ts) $(this).fadeOut();
				$("a","#"+options.prevId).fadeIn();
			});
			$("a","#"+options.prevId).click(function(){
				animate("prev");
				if (t<=0) $(this).fadeOut();
				$("a","#"+options.nextId).fadeIn();
			});
			function animate(dir){
				if(dir == "next"){
					t = (t>=ts) ? ts : t+1;
				} else {
					t = (t<=0) ? 0 : t-1;
				};
				if(!vertical) {
					p = (t*w*-1);
					$("#slider_body",obj).animate(
						{ marginLeft: p },
						options.speed
					);
				} else {
					p = (t*h*-1);
					$("#slider_body",obj).animate(
						{ marginTop: p },
						options.speed
					);
				}
				$("#slider_url").attr('href',$("#tmp_url"+t).attr('href'));
			};
			if(s>1) $("a","#"+options.nextId).fadeIn();
		});

	};

})(jQuery);