/*
 * 	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: 		'',
			nextId: 		'nextBtn',	
			nextText: 		'',
			controlsShow:	true,
			controlsBefore:	'',
			controlsAfter:	'',	
			controlsFade:	true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			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');
                         //slide show on hover show controls
                        
                           
                           $("#easy_slider2").mouseover(
                          function () {
                              clearTimeout(timeout);
                              options.auto=false;
                              if ($("#pager2 .thisPage").html()=='1'){
                                  $(".latest span#prevBtn").hide();
                                } else {
                                    $(".latest span#prevBtn").show();
                                };

                             $(".latest span#nextBtn").show();
                             $("#pager2").show();
                             $(".white_opaque_bar").show();


                          });
                          $("#easy_slider2").mouseout(
                          function () {
                            //options.auto=true;
                            //animate("next",false);
                            $(".latest span#prevBtn").hide();
                             $(".latest span#nextBtn").hide();
                             $("#pager2").hide();
                             $(".white_opaque_bar").hide();

                          });
                          $(".latest span#nextBtn").live("click",function(){
                              $(".latest span#prevBtn").show();
                          });


			
			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;						
				$('#easy_slider2').append(html);
                                $('#easy_slider').append(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.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;
                                                if (ot+2<=ts+1){
                                                $("#pager2 .thisPage").html(ot+2);
                                                }
                                                //else {
                                                 //   $("#pager2 .thisPage").html('1');
                                               // };
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
                                                $("#pager2 .thisPage").html(parseInt($("#pager2 .thisPage").html())-1);
						break; 
					case "first":
						t = 0;
                                                $("#pager2 .thisPage").html("1");

						break; 
					case "last":
						t = ts;
                                                $("#pager2 .thisPage").html(ot+1);
						break; 
					default:
						break; 
				};
                                if ($("#pager2 .thisPage").html()=='1'){
                                  $(".latest span#prevBtn").hide();
                                };
				
				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);