(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {			
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			controlsShow:	true,
			controlsFade:	true,
			speed: 			300,
			continuous:		false, 
			numeric: 		true,
			numericId: 		'controls'
		}; 
		
		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(); 
			var clickable = true;
			obj.width(w);
			obj.height(h);
			obj.css("overflow","hidden");
			var ts = s-1;
			var t = 0;
			$("ul", obj).css('width',s*w);

			var html = '<ol class="controls" id="'+ options.numericId +'"></ol>';
				html += ' <span class="prev_btn" id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
				html += ' <span class="next_btn" id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
				$(obj).after(html);
							
			for(var i=0;i<s;i++){						
				$(document.createElement("li"))
					.attr('id',options.numericId + (i+1))
					.html('<a rel='+ i +' href=\"javascript:void(0);\">'+ (i+1) +'</a>')
					.appendTo($("#"+ options.numericId))
					.click(function(){							
						animate($("a",$(this)).attr('rel'),true);
					});
			};
			$("a","#"+options.nextId).click(function(){
				animate("next",true);
			});
			$("a","#"+options.prevId).click(function(){
				animate("prev",true);				
			});
			
			function setCurrent(i){
				i = parseInt(i)+1;
				$("li", "#" + options.numericId).removeClass("current");
				$("li#" + options.numericId + i).addClass("current");
			};
			
			function adjust(){
				if(t>ts) t=0;		
				if(t<0) t=ts;
				$("ul",obj).css("margin-left",(t*w*-1));
				clickable = true;
				if(options.numeric) setCurrent(t);
			};
			
			function animate(dir,clicked){
				if (clickable){
					clickable = false;
					var ot = t;
					switch(dir){
						case "next":
							//t = (ot>=ts) ? (options.continuous ? t+1 : ts) : t+1;
							t++;
							break;
						case "prev":
							t = (t<=0) ? (options.continuous ? t-1 : 0) : t-1;
							break;
						default:
							t = dir;
							break;
					};
					var diff = Math.abs(ot-t);
					var speed = diff*options.speed;
					p = (t*w*(-1));
					$("ul",obj).animate(
						{ marginLeft: p },
						{ queue:false, duration:speed, complete:adjust }
					);
					if(!options.continuous && options.controlsFade){
						if(t==ts){
							$("a","#"+options.nextId).hide();
						} else {
							$("a","#"+options.nextId).show();					
						};
						if(t==0){
							$("a","#"+options.prevId).hide();
						} else {
							$("a","#"+options.prevId).show();
						};					
					};				
					if(clicked) clearTimeout(timeout);
				};
				
			};
			
			// init
			var timeout;			
			if(options.numeric) setCurrent(0);
			if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId).hide();			
			};
		});
	};
})(jQuery);