/*Easy Slider 1.5 by Alen Grakalic http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding*/
(function($) {

	$.fn.easySlider = function(options){

		var defaults = {
			prevId: 		'oncekibutonu',
			prevText: 		'Önceki',
			nextId: 		'sonrakibutonu',
			nextText: 		'Sonraki',
			controlsShow:	true,
			controlsBefore:	'<div align="left">',
			controlsAfter:	'</div>',
			controlsFade:	true,
			firstId: 		'ilkbutonu',
			firstText: 		'İlk',
			firstShow:		true,
			lastId: 		'sonbutonu',
			lastText: 		'Son',
			lastShow:		true,
			vertical:		false,
			speed: 			800,
			auto:			true,
			pause:			3000,
			control_once:	1,
			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');

			if(options.controlsShow){
				var html = options.controlsBefore;
				if(options.firstShow) html += '<span id="'+ options.firstId +'" class="c_'+ options.control_once +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
				html += ' <span id="'+ options.prevId +'" class="c_'+ options.control_once +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
				html += ' <span id="'+ options.nextId +'" class="c_'+ options.control_once +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
				if(options.lastShow) html += ' <span id="'+ options.lastId +'" class="c_'+ options.control_once +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
				html += options.controlsAfter;

				options.control_once==1 ? $(obj).before(html) : $(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.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 "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);