jQuery(document).ready(function($) {
    // $() will work as an alias for jQuery() inside of this function

	/*
	 * 	Easy Slider 1.8 - jQuery plugin
	 *	written by Alen Grakalic (modified by Kyle Florence - kyle.florence@gmail.com)
	 *	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,
	            insertAfter:    true,
	            firstId:        'firstBtn',
	            firstText:      'First',
	            firstShow:      false,
	            lastId:         'lastBtn',
	            lastText:       'Last',
	            lastShow:       false,
	            vertical:       false,
	            speed:          800,
	            ease:           'swing',
	            auto:           false,
	            pause:          2000,
	            continuous:     false,
	            prevNext:       true,
	            numeric:        false,
	            numericId:      'controls'
	        };

	        var options = $.extend(defaults, options);

	        this.each(function()
	        {
	            var obj = $(this);

	            // Fix for nested list items
	            var ul = obj.children("ul");
	            var li = ul.children("li");

	            var s = li.length;
	            var w = obj.width();
	            var h = obj.height();

	            var t = 0;
	            var ts = s-1;
	            var clickable = true;

	            // Set obj overflow to hidden
	            obj.css("overflow","hidden");

	            // Set width/height of list items based on width/height of obj
	            li.each(function() {
	               if(options.vertical) $(this).height(h);
	                else $(this).width(w);
	            });

	            // Float items to the left
	            li.css('float', 'left');

	            // Set width/height of ul
	            if(options.vertical) ul.height(s*w);
	            else ul.width(s*h);

	            // Clone elements for continuous scrolling
	            if(options.continuous)
	            {
	                if(options.vertical)
	                {
	                    ul.prepend(li.filter(":last-child").clone().css("margin-top","-"+ h +"px"));
	                    ul.append(li.filter(":nth-child(2)").clone());
	                    ul.height((s+1)*h);
	                } else {
	                    ul.prepend(li.filter(":last-child").clone().css("margin-left","-"+ w +"px"));
	                    ul.append(li.filter(":nth-child(2)").clone());
	                    ul.width((s+1)*w);
	                }
	            };

	            if(options.controlsShow)
	            {
	                var html = options.controlsBefore;
	                if(options.numeric){
	                    html += '<ol id="'+ options.numericId +'"></ol>';
	                }
	                if(options.firstShow) {
	                    html += '<span id="'+ options.firstId +'"><a href="#">'+ options.firstText +'</a></span>';
	                }
	                if(options.prevNext){
	                    html += '<span id="'+ options.prevId +'"><a href="#">'+ options.prevText +'</a></span>';
	                    html += '<span id="'+ options.nextId +'"><a href="#">'+ options.nextText +'</a></span>';
	                }
	                if(options.lastShow) {
	                    html += '<span id="'+ options.lastId +'"><a href="#">'+ options.lastText +'</a></span>';
	                }
	                html += options.controlsAfter;

	                if (options.insertAfter) $(obj).after(html);
	                else $(obj).before(html);
	            };

	            if(options.numeric)
	            {
	                for(var i=0;i<s;i++)
	                {
	                    $(document.createElement("li"))
	                        .attr('id',options.numericId + (i+1))
	                        .html('<a rel="'+ i +'" href="#"><span>'+ (i+1) +'</span></a>')
	                        .appendTo($("#"+ options.numericId))
	                        .click(function(){
	                            animate($("a",$(this)).attr('rel'),true);
	                            return false;
	                        });
	                };
	            }

	            if(options.prevNext)
	            {
	                $("a","#"+options.nextId).click(function(){
	                    animate("next",true); return false;
	                });
	                $("a","#"+options.prevId).click(function(){
	                    animate("prev",true); return false;
	                });
	                $("a","#"+options.firstId).click(function(){
	                    animate("first",true); return false;
	                });
	                $("a","#"+options.lastId).click(function(){
	                    animate("last",true); return false;
	                });
	            };

	            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;
	                if(!options.vertical) {
	                    ul.css("margin-left",(t*w*-1));
	                } else {
	                    ul.css("margin-top",(t*h*-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;
	                            break;
	                        case "prev":
	                            t = (t<=0) ? (options.continuous ? t-1 : 0) : t-1;
	                            break;
	                        case "first":
	                            t = 0;
	                            break;
	                        case "last":
	                            t = ts;
	                            break;
	                        default:
	                            t = parseInt(dir);
	                            break;
	                    };

	                    var diff = Math.abs(ot-t);
	                    var speed = diff*options.speed;
	                    if(!options.vertical) {
	                        p = (t*w*-1);
	                        ul.animate(
	                            { marginLeft: p },
	                            {
	                                queue:false,
	                                duration:speed,
	                                easing:options.ease,
	                                complete:adjust
	                            }
	                        );
	                    } else {
	                        p = (t*h*-1);
	                        ul.animate(
	                            { marginTop: p },
	                            {
	                                queue:false,
	                                duration:speed,
	                                easing:options.ease,
	                                complete:adjust
	                            }
	                        );
	                    };

	                    if(!options.continuous && options.controlsFade)
	                    {
	                        if(t==0){
	                            $("a","#"+options.prevId).fadeOut('slow');
	                            $("a","#"+options.firstId).fadeOut('slow');
	                        } else if(t==ts){
	                            $("a","#"+options.nextId).fadeOut('slow');
	                            $("a","#"+options.lastId).fadeOut('slow');
	                        } else {
	                            $("a","#"+options.prevId).fadeIn('slow');
	                            $("a","#"+options.firstId).fadeIn('slow');
	                            $("a","#"+options.nextId).fadeIn('slow');
	                            $("a","#"+options.lastId).fadeIn('slow');
	                        };
	                    };

	                    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.numeric) setCurrent(0);

	            if(!options.continuous && options.controlsFade){
	                $("a","#"+options.prevId).hide();
	                $("a","#"+options.firstId).hide();
	            };

	        });

	    };
	})(jQuery);

});