﻿/*
* 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: true,
 speed: 800,
 auto: false,
 pause: 2000,
 continuous: false
 };

 var options = $.extend(defaults, options);

 this.each(function() {
var textonly = document.getElementById('hftextonly');
 var prev = options.prevText;
 var next = options.nextText;

 if (textonly.value == "True") {
 prev = '&lt;';
next = '&gt;';
}
 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 (options.firstShow) html += '<span id="' + options.firstId + '"><a href=\"javascript:void(0);\">' + options.firstText + '</a></span>';
 html += ' <span id="' + options.prevId + '"><a id="companylink_prev" runat=\"server\" href=\"javascript:void(0);\">' + prev + '</a></span>';
 html += ' <span id="' + options.nextId + '"><a id="companylink_next" runat=\"server\" href=\"javascript:void(0);\">' + next + '</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);
 };

 };
 // init
 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);
