/*
 * 	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(prevId, nextId, orientation, speed){
	  
		return this.each(function() {  
			obj = $(this); 				
			var s = $("li", obj).length;
			var w = obj.width(); 
			var h = obj.height(); 
			var ts = s-1;
			var t = 0;
			var vertical = (orientation == 'vertical');
			var dir = "prev";
			var stop = "no";
			
			$("ul", obj).css('width',s*w);			
			if(!vertical) $("li", obj).css('float','left');

			$(this).mouseover(function() {
				stop = "yes";
			})
			
			$("#"+nextId).click(function(){
				dir = "next";
				stop = "no";
				animate();
			});
			
			$("#"+prevId).click(function(){
				dir = "prev";
				stop = "no";
				animate();
			});	
			
			function animate(){
				if (stop == "yes") return true;
				if(dir == "next"){
					t = (t<=0) ? 0 : t-1;	
				} else {
					t = (t>=ts) ? ts : t+1;
				};	
				
				if(!vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
							{ marginLeft: p }, 
							speed, function() {
								if(t==0) dir="prev";
								if(t>=s-1) dir="next";
								animate();
							}
					);				
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
							{ marginTop: p }, 
							speed, function() {
								if(t==0) dir="prev";
								if(t>=s-1) dir="next";
								animate();
							}
					);					
				}
			};
			
			animate();
		});
	  
	};

})(jQuery);