/*
 * 	Easy Slider 1.5 - jQuery plugin
 *	written by Alen Grakalic	
 *	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:'', nextId:'nextBtn', nextText:'', 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, continuous:false};
        var options = $.extend(defaults, options);
        this.each(function() {
            var obj = $(this); var s = $("li:visible", obj).length; var w = $("li", obj).width(); var h = $("li", obj).height();
            //var th = "70%";
            //var minH = "500px;";
            obj.width(w); obj.height(h); obj.css("overflow", "hidden");
            // obj.css("min-height", minH);
            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 + '"><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);\" id="next">' + 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); };
            $("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); }; };
            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);