/*
 * 	Easy Slider 1.5 - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding
 *
 *	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 $("#slider").easySlider();
 *	
 * 	<div id="slider">
 *		<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){
	  var speed;
		// default configuration properties
		var defaults = {			
			prevId: 		'prevBtn',
			prevText: 		'sssss',
			nextId: 		'nextBtn',	
			nextText: 		'dddddd',
			controlsShow:	true,
			controlsBefore:	'',
			controlsAfter:	'',	
			controlsFade:	true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			firstShow:		true,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		true,				
			vertical:		false,
			speed: 			1500,
			auto:			false,
			pause:			4000,
			continuous:		true,
			klikniete:		'',
			z_numerkami:    false
		}; 
		
		var options = $.extend(defaults, options);  
				
		this.each(function() {  
		    var strona = '';
		    var klikniete = '';
			var obj = $(this); 				
			var s = $("li", obj).length;
			var w = $("li", obj).width(); 
			var h = $("li", obj).height(); 
			obj.width(w); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1;
			var t = 0;
			$("ul", obj).css('width',s*w);			
			if(!options.vertical) $("li", obj).css('float','left');
			var ile_slaidow=0;
			var liczba = 0;
			var numerek = options.numerek;
			var liczba = 0;
			
			/*
			if(options.controlsShow){
				var html = options.controlsBefore;
				if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
				html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
				html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
				if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
				html += options.controlsAfter;		
				html = '';				
				$(obj).after(html);										
			};*/
	
			$("a","#"+options.nextId).click(function(){		
			    klikniete = "przod";
				animate("next",true);
			});
			$("a","#"+options.prevId).click(function(){		
			    klikniete = "wstecz";
				animate("prev",true);				
			});	
			$("a","#"+options.firstId).click(function(){		
			  
				animate("first",true);
			});				
			$("a","#"+options.lastId).click(function(){		
				animate("last",true);				
			});	
				
			if (options.z_numerkami) {
				$("#numerek0").click(function(){ t = -1; klikniete = ""; animate("next",true); });		
				$("#numerek1").click(function(){ t = 0; klikniete = ""; animate("next",true); });		
				$("#numerek2").click(function(){ t = 1; klikniete = ""; animate("next",true); });
				$("#numerek3").click(function(){ t = 2; klikniete = ""; animate("next",true); });	
				$("#numerek4").click(function(){ t = 3; klikniete = ""; animate("next",true); });		
				$("#numerek5").click(function(){ t = 4; klikniete = ""; animate("next",true); });		
				$("#numerek6").click(function(){ t = 5; klikniete = ""; animate("next",true); });		
				$("#numerek7").click(function(){ t = 6; klikniete = ""; animate("next",true); });		
				$("#numerek8").click(function(){ t = 7; klikniete = ""; animate("next",true); });		
				$("#numerek9").click(function(){ t = 8; klikniete = ""; animate("next",true); });		
				$("#numerek10").click(function(){ t = 9; klikniete = ""; animate("next",true); });		
				$("#numerek11").click(function(){ t = 10; klikniete = ""; animate("next",true); });		
				$("#numerek12").click(function(){ t = 11; klikniete = ""; animate("next",true); });		
				$("#numerek13").click(function(){ t = 12; klikniete = ""; animate("next",true); });		
				$("#numerek14").click(function(){ t = 13; klikniete = ""; animate("next",true); });		
				$("#numerek15").click(function(){ t = 14; klikniete = ""; animate("next",true); });	
			
				var liczba = $("#numerki_ile").attr("name");
			}
  		
			var liczba1 = parseInt(liczba);
			ile_slaidow = liczba1;


			function animate(dir,clicked){
				var ot = t;	
			
				switch(dir){
					case "next2":
						t=0;
						options.speed = 1;
						options.pause = 1;			
					break;
					case "next":
						t+=1;
						if (t == 1) {
						  options.speed = 800;
						  options.pause = 4000;
						}  
						if (t == (ts+1)) {
				    		options.speed = 0;
				    		options.pause = 0;
				    		t=0;
				  		} 
					break; 
					case "prev":
						t-=1;
						if (t == (ts-1)) {
						  options.speed = 800;
						  options.pause = 4000;
						}  
						if (t == -1) {
				    		options.speed = 0;
				    		options.pause = 0;
				    		
				    		t=ts;
				  		} 
					break; 
				};	
				
				if (options.z_numerkami) {
					for (i=0; i<=ile_slaidow; i++) {
			    		$("#numerek"+i).attr("class","numerek");
			  		}
					if (t == liczba)
						$("#numerek0").attr("class","numerek_activ");
					else
						$("#numerek"+t).attr("class","numerek_activ");
				}

	
				var diff = Math.abs(ot-t);
				var speed = diff*options.speed;						
				if(!options.vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						speed
					);				
				} else {
				  
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						speed
					);					
				};
				/*
				if(!options.continuous && options.controlsFade){					
					if(t==ts){
						$("a","#"+options.nextId).hide();
						$("a","#"+options.lastId).hide();
					} else {
						$("a","#"+options.nextId).show();
						$("a","#"+options.lastId).show();					
					};
					if(t==0){
						$("a","#"+options.prevId).hide();
						$("a","#"+options.firstId).hide();
					} else {
						$("a","#"+options.prevId).show();
						$("a","#"+options.firstId).show();
					};					
				};	*/			
				
				if(clicked) clearTimeout(timeout);
				if(options.auto && dir=="next" && !clicked){;
					timeout = setTimeout(function(){
						animate("next",false);
					},diff*options.speed+options.pause);
				};
				
				if ((klikniete == "wstecz") && (t==ts)) {
				  		klikniete = "";
				  		animate("prev",false);
				} else
				if (klikniete == "wstecz") {
				  		klikniete = "";
				  		if (t == 0) { animate("prev",false); }
				}
				
				if ((klikniete == "przod") && (t==0)) {
				  		klikniete = "";
				  		animate("next",false);
				} else
				if (klikniete == "przod") {
				  		klikniete = "";
				  		if (t == (ts)) animate("next2",false);
				} 
			};
			// init
			var timeout;
			if(options.auto){;
				timeout = setTimeout(function(){
					animate("next",false);
				},options.pause);
			};		
		
		
			if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId).hide();
				$("a","#"+options.firstId).hide();				
			};				
			
		});
	  
	};

})(jQuery);