/*
 * 	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',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			250,
			auto:			true,
			pause:			5000,
			continuous:		true
		}; 
		
		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');
			
		
	
			$("a","#"+"eins").click(function(){		
				animate("eins",true);
				
			});
			$("a","#"+"zwei").click(function(){		
				animate("zwei",true);				
			});	
			$("a","#"+"drei").click(function(){		
				animate("drei",true);
			});				
			$("a","#"+"vier").click(function(){		
				animate("vier",true);				
			});		
			$("a","#"+"funf").click(function(){		
				animate("funf",true);				
			});
			$("a","#"+"cont").click(function(){		
				animate("cont",true);				
			});
			
			
			function animate(dir,clicked){
				var ot = t;				
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;	
						
						for(k=0; k<5; k++){
							eval("document.getElementById('btnslide"+(k+1)+"').className = 'inactive';");
						}
						eval("document.getElementById('btnslide"+(t+1)+"').className = 'active';");
/*						if(t==0) {obja="btnslide1"; objb="funfa";};
						if(t==1) {obja="zweia"; objb="einsa";};
						if(t==2) {obja="dreia"; objb="zweia";};
						if(t==3) {obja="viera"; objb="dreia";};
						if(t==4) {obja="funfa"; objb="viera";};
						
						objc=document.getElementById(obja);
						objd=document.getElementById(objb);
						objc.style.backgroundImage='url(wp-content/themes/Afterburn/images/nav_slide_a.png)';
						objd.style.backgroundImage='url(wp-content/themes/Afterburn/images/nav_slide_b.png)';
						objc.style.color='#FFFFFF';
						objd.style.color='#FF0000';


*/						
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						break; 
					case "eins":
						t = 0;	
						break; 
					case "zwei":
						t = 1;
						break; 
					case "drei":
						t = 2;
						break; 
					case "vier":
						t = 3;
						break;
					case "funf":
						t = 4;
						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); 
				timeout=setTimeout(function(){
						animate("next",false);
					},diff*options.speed+options.pause+5000);};
				
				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);