/*
 * 	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.
 *
 *	Modified for www.gfmikulov.com - 2/2009 - team@gfmikulov.com
 *
 */
 
(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',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			0,
			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;
				html += options.controlsAfter;						
				$(obj).after(html);										
			};
			
			// zobrazení rejstříku, pokud není požadován konkrétní slide
      if (sln > 0) { animate(sln,true); }
        else { 
          $("#rejstrik").show();
          $("#driverGalerie").attr("class","invisible");
	        $("#driverRejstrik").attr("class","visible");
          $("a","#prevBtn").hide();
					$("a","#firstBtn").hide(); 
          }
			
			$("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);				
			});	

			$("a","#slide1").click(function(){ animate(1,true); });	
			$("a","#slide2").click(function(){ animate(2,true); });
			$("a","#slide3").click(function(){ animate(3,true); });
			$("a","#slide4").click(function(){ animate(4,true); });
			$("a","#slide5").click(function(){ animate(5,true); });
			$("a","#slide6").click(function(){ animate(6,true); });
			$("a","#slide7").click(function(){ animate(7,true); });
			$("a","#slide8").click(function(){ animate(8,true); });
			$("a","#slide9").click(function(){ animate(9,true); });
			$("a","#slide10").click(function(){ animate(10,true); });
			$("a","#slide11").click(function(){ animate(11,true); });
			$("a","#slide12").click(function(){ animate(12,true); });
			$("a","#slide13").click(function(){ animate(13,true); });
			$("a","#slide14").click(function(){ animate(14,true); });
			$("a","#slide15").click(function(){ animate(15,true); });
			$("a","#slide16").click(function(){ animate(16,true); });
			$("a","#slide17").click(function(){ animate(17,true); });
			$("a","#slide18").click(function(){ animate(18,true); });
			$("a","#slide19").click(function(){ animate(19,true); });
			$("a","#slide20").click(function(){ animate(20,true); });
			$("a","#slide21").click(function(){ animate(21,true); });
			$("a","#slide22").click(function(){ animate(22,true); });
			$("a","#slide23").click(function(){ animate(23,true); });
			$("a","#slide24").click(function(){ animate(24,true); });
			$("a","#slide25").click(function(){ animate(25,true); });
			$("a","#slide26").click(function(){ animate(26,true); });
			$("a","#slide27").click(function(){ animate(27,true); });
			$("a","#slide28").click(function(){ animate(28,true); });
			$("a","#slide29").click(function(){ animate(29,true); });
			$("a","#slide30").click(function(){ animate(30,true); });
			$("a","#slide31").click(function(){ animate(31,true); });
			$("a","#slide32").click(function(){ animate(32,true); });
			$("a","#slide33").click(function(){ animate(33,true); });
			$("a","#slide34").click(function(){ animate(34,true); });
			$("a","#slide35").click(function(){ animate(35,true); });
			$("a","#slide36").click(function(){ animate(36,true); });
			$("a","#slide37").click(function(){ animate(37,true); });
			$("a","#slide38").click(function(){ animate(38,true); });
			$("a","#slide39").click(function(){ animate(39,true); });
			$("a","#slide40").click(function(){ animate(40,true); });
      $("a","#slide3b").click(function(){ animate(3,true); });
      $("a","#slide6b").click(function(){ animate(6,true); });
      $("a","#slide7b").click(function(){ animate(7,true); });
      $("a","#slide8b").click(function(){ animate(8,true); });
      $("a","#slide2b").click(function(){ animate(2,true); });			
			$("a","#slide20b").click(function(){ animate(20,true); });
			
			function animate(dir,clicked){
				var ot = t;
				var mspeed = options.speed;
        $("#rejstrik").hide();
        /*$("#rejstrik").slideUp(200);*/
	      $("#driverGalerie").attr("class","visible");
	      $("#driverRejstrik").attr("class","invisible");
        				
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;
            mspeed = 600;
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						mspeed = 600;
						break; 
					case "first":
						t = 0;
						diff = Math.abs(ot-t);
						mspeed = diff*80;
						break; 
					case "last":
						t = ts;
						diff = Math.abs(ot-t);
						mspeed = diff*80;
						break;
					default:
					  t = dir-1;
						break; 
				};	
				
				if(!options.vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						mspeed
					);				
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						mspeed
					);					
				};
				
				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);