(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {			
			prevId: 		'orta_ufak_slider_prevBtn',
			prevText: 		'Previous',
			nextId: 		'orta_ufak_slider_nextBtn',	
			nextText: 		'Next',
			controlsShow:	true,
			controlsBefore:	'',
			controlsAfter:	'',	
			controlsFade:	true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			1000,
			auto:			false,
			pause:			2000,
			continuous:		true, 
			numeric: 		false,
			numericId: 		'orta_buyuk_slider_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);


    if (options.continuous) {

        $("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left", "-" + w + "px"));

        $("ul", obj).append($("ul li:nth-child(2)", obj).clone());

        $("ul", obj).css('width', (s + 1) * w);

    };


    if (!options.vertical) $("li", obj).css('float', 'left');


    if (options.controlsShow) {

        var html = options.controlsBefore;

        if (options.numeric) {

            html += '<ol id="' + options.numericId + '"></ol>';

        } else {

            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);

    };


    if (options.numeric) {

        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'), false);
						});

        };

    } else {

        $("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 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", obj).css("margin-left", (t * w * -1));

        } else {

            $("ul", obj).css("margin-left", (t * h * -1));

        }

        clickable = true;

        if (options.numeric) setCurrent(t);

    };

    var nextItem;


    var timeout;

    var isClicked = false;

    var diff = Math.abs(4 - t);

    var delay = diff * options.speed + options.pause;

    var inter = setInterval(function () {

        animate("next", false);

    }, delay);



    function animate(dir, clicked) {


        isClicked = clicked;

        if (clickable) {

            clickable = false;

            var ot = t;

            t = parseInt(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 = dir;

                    break;

            };

            diff = Math.abs(ot - t);

            var speed = diff * options.speed;

            if (!options.vertical) {

                p = (t * w * -1);

                $("ul", obj).animate(
							{ marginLeft: p },
							{ queue: false, duration: speed, complete: adjust }
						);

            } else {

                p = (t * h * -1);

                $("ul", obj).animate(
							{ marginTop: p },
							{ queue: false, duration: speed, complete: adjust }
						);

            };


            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 (options.numeric) setCurrent(0);


    if (!options.continuous && options.controlsFade) {

        $("a", "#" + options.prevId).hide();

        $("a", "#" + options.firstId).hide();

    };


});

};

})(jQuery);