/*
 * 	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){
	  
		// default configuration properties
		var defaults = {			
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			controlsShow:	true,
			controlsBefore:	'',
			controlsAfter:	'',	
			controlsFade:	true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			secondId: 		'secondBtn',
			thirdId: 		'thirdBtn',
			fourthId: 		'fourthBtn',
			fifthId: 		'fifthBtn',
			sixthId: 		'sixthBtn',
			seventhId: 		'seventhBtn',
			eighthId: 		'eighthBtn',
			ninthId: 		'ninthBtn',
			tenthId: 		'tenthBtn',
			eleventhId:		'eleventh',
			twelfthId: 		'twelfthBtn',
			thirteenthId: 	'thirteenthBtn',
			fourteenthId: 	'fourteenthBtn',
			fifteenthId: 	'fifteenthBtn',
			sixteenthId: 	'sixteenthBtn',
			seventeenthId: 	'seventeenthBtn',
			eighteenthId: 	'eighteenthBtn',
			nineteenthId: 	'nineteenthBtn',
			twentiethId: 	'twentiethBtn',
			twenty_firstId: 'twenty_firstBtn',
			twenty_secondId: 'twenty_secondBtn',
			twenty_thirdId: 'twenty_thirdBtn',
			twenty_fourthdId: 'twenty_fourthBtn',
			twenty_fifthId: 'twenty_fifthBtn',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			800,
			auto:			false,
			pause:			2000,
			continuous:		false
		}; 
		
		var options = $.extend(defaults, options);  
				
		this.each(function() {  
			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');
			
			/*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;						
				$(obj).after(html);										
			};*/
	
			$("a","#"+options.nextId).click(function(){		
				animate("next",true);
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev",true);				
			});	
			$("a","#"+options.firstId).click(function(){		
				animate("first",true);
			});	
			$("a","#"+options.secondId).click(function(){		
				animate("second",true);
			});	
			$("a","#"+options.thirdId).click(function(){		
				animate("third",true);
			});	
			$("a","#"+options.fourthId).click(function(){		
				animate("fourth",true);
			});	
			$("a","#"+options.fifthId).click(function(){		
				animate("fifth",true);
			});	
			$("a","#"+options.sixthId).click(function(){		
				animate("sixth",true);
			});	
			$("a","#"+options.seventhId).click(function(){		
				animate("seventh",true);
			});
			$("a","#"+options.eighthId).click(function(){		
				animate("eighth",true);
			});	
			$("a","#"+options.ninthId).click(function(){		
				animate("ninth",true);
			});	
			$("a","#"+options.tenthId).click(function(){		
				animate("tenth",true);
			});	
			$("a","#"+options.eleventhId).click(function(){		
				animate("eleventh",true);
			});	
			$("a","#"+options.twelfthId).click(function(){		
				animate("twelfth",true);
			});	
			$("a","#"+options.thirteenthId).click(function(){		
				animate("thirteenth",true);
			});	
			$("a","#"+options.fourteenthId).click(function(){		
				animate("fourteenth",true);
			});	
			$("a","#"+options.fifteenthId).click(function(){		
				animate("fifteenth",true);
			});	
			$("a","#"+options.seventeenhId).click(function(){		
				animate("seventeenth",true);
			});	
			$("a","#"+options.eighteenthId).click(function(){		
				animate("eighteenth",true);
			});	
			$("a","#"+options.nineteenthId).click(function(){		
				animate("nineteenth",true);
			});	
			$("a","#"+options.twentiethId).click(function(){		
				animate("twentieth",true);
			});	
			$("a","#"+options.twenty_firstId).click(function(){		
				animate("twenty_first",true);
			});	
			$("a","#"+options.twenty_secondId).click(function(){		
				animate("twenty_second",true);
			});	
			$("a","#"+options.twenty_thirdId).click(function(){		
				animate("twenty_third",true);
			});	
			$("a","#"+options.twenty_fourthId).click(function(){		
				animate("twenty_fourth",true);
			});	
			$("a","#"+options.twenty_fifthId).click(function(){		
				animate("twenty_fifth",true);
			});	
			$("a","#"+options.lastId).click(function(){		
				animate("last",true);				
			});		
			
			function animate(dir,clicked){
				var ot = t;				
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;						
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						break; 
					case "first":
						t = 0;
						break; 
					case "second":
						t = 1;
						break;
					case "third":
						t = 2;
						break;
					case "fourth":
						t = 3;
						break;
					case "fifth":
						t = 4;
						break;
					case "sixth":
						t = 5;
						break;
					case "seventh":
						t = 6;
						break;
					case "eighth":
						t = 7;
						break;
					case "ninth":
						t = 8;
						break;
					case "tenth":
						t = 9;
						break;
					case "eleventh":
						t = 10;
						break;
					case "twelfth":
						t = 11;
						break;
					case "thirteenth":
						t = 12;
						break;
					case "fourteenth":
						t = 13;
						break;
					case "fifteenth":
						t = 14;
						break;
					case "sixteenth":
						t = 15;
						break;
					case "seventeenth":
						t = 16;
						break;
					case "eighteenth":
						t = 17;
						break;
					case "nineteenth":
						t = 18;
						break;
					case "twentieth":
						t = 19;
						break;
					case "twenty_first":
						t = 20;
						break;
					case "twenty_second":
						t = 21;
						break;
					case "twenty_third":
						t = 22;
						break;
					case "twenty_fourth":
						t = 23;
						break;
					case "twenty_fifth":
						t = 24;
						break;
					case "last":
						t = ts;
						break; 
					default:
						break; 
				};	
				
				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);
				};
				
			};
			// 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);