(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
        var pagenum=1;
		var defaults = {			
            buttonid:         'button',
            mainpager:         'mainpager',
            prevpager:         'prevpager',
            nextpager:         'nextpager',
			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: 			800,
			auto:			false,
			pause:			2000,
            pager:          false,
			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;
                if(s>1) {
                    html += ' <span class="'+ options.prevpager +'" id="'+ options.prevId +'"><a class="link" href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
                    for(x=1;x<=s;x++){
                        html += ' <span class="'+ options.mainpager +'" id="'+options.buttonid+'_'+ x +'"><a id="linkid" class="link" href=\"javascript:void(0);\">'+ x +'</a></span>';                
                    }
                    html += ' <span class="'+ options.nextpager +'" id="'+ options.nextId +'"><a class="link" href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';                
                }
/*				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;						
				$(obj).after(html);										
                $("#"+options.buttonid+"_1 a").addClass("link_sel");
			};
            /*$("#slider").click(function(){
            animate("stop",true);
            });*/ 	
            $("."+options.mainpager+"").click(function(){        
                btnarr=this.id.split("_");
                animate(btnarr[1],true,false); 
                $("."+options.mainpager+" a").removeClass("link_sel");
                $("#"+options.buttonid+"_"+btnarr[1]+" a").addClass("link_sel");                 
            });
            $("."+options.nextpager+"").click(function(){        
                animate("next",true,false);
                $("."+options.mainpager+" a").removeClass("link_sel");
                $("#"+options.buttonid+"_"+(t+1)+" a").addClass("link_sel");                
            });
            $("."+options.prevpager+"").click(function(){        
                animate("prev",true,false);                
                $("."+options.mainpager+" a").removeClass("link_sel");
                $("#"+options.buttonid+"_"+(t+1)+" a").addClass("link_sel");                                
            });                
			/*$("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(c,clicked,count){
				var ot = t;				
                var x=$("li", obj).length-1;
                switch(c){
                    case "next":
                        /*if(count && ot==x) {
                            options.auto=false;
                            options.speed=800;
                            options.pause=2000;
                            $(".mainpager a").removeClass("link_sel");
                            $("#button_1 a").addClass("link_sel");                                                         
                        }
                        else if(count && ot!=x){
                            $(".mainpager a").removeClass("link_sel");
                            $("#button_"+(t+1)+" a").addClass("link_sel");                             
                        }*/
                        t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;                        
                        break; 
                    case "prev":
                        t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
                        break; 
                    default:
                        t=c-1;
                        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){
						$("."+options.nextpager+"").hide();
//						$("a","#"+options.lastId).hide();
					} else {
						$("."+options.nextpager+"").show();
//						$("a","#"+options.lastId).show();					
					};
					if(t==0){
						$("."+options.prevpager+"").hide();
//						$("a","#"+options.firstId).hide();
					} else {
						$("."+options.prevpager+"").show();
//						$("a","#"+options.firstId).show();
					};					
				};				
				
				if(clicked) clearTimeout(timeout);
                
				if(options.auto && c=="next" && !clicked){;
                    $("."+options.mainpager+" a").removeClass("link_sel");
                    $("#"+options.buttonid+"_"+(t+1)+" a").addClass("link_sel");                                             
					timeout = setTimeout(function(){
						animate("next",false,true);
					},diff*options.speed+options.pause);
				};
				
			};
			// init
			var timeout;
			if(options.auto){;
                timeout = setTimeout(function(){
					animate("next",false,false);
				},options.pause);
			};		
            
			if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId).hide();
				$("a","#"+options.firstId).hide();				
			};				
			
		});
	  
	};

})(jQuery);