/*


 *	faded 0.3.1 - jQuery plugin


 *	written by Nathan Searles	


 *	http://nathansearles.com/faded/


 *


 *	Copyright (c) 2009 Nathan Searles (http://nathansearles.com/)


 *	Dual licensed under the MIT (MIT-LICENSE.txt)


 *	and GPL (GPL-LICENSE.txt) licenses.


 *


 *	Built for jQuery library


 *	http://jquery.com


 *	Compatible with jQuery 1.3.2+


 *


 */


if(typeof jQuery != "undefined") {


	jQuery(function($) {


		$.fn.extend({


			faded: function(options) {


				var settings = $.extend({}, $.fn.faded.defaults, options);


				return this.each(


					function() {


						if($.fn.jquery < "1.3.1") {return;}


						var $t = $(this);


						var $c = $t.children(":nth-child(1)");


						var o = $.metadata ? $.extend({}, settings, $t.metadata()) : settings;


						var total = $c.children().size();


						var next = 0, prev = 0, number = 0, currentitem = 0, restart = 0, restartinterval = 0;


						var loaded,active,imgSrc,clicked,current;


						if (o.random) {


							$.fn.reorder = function(callback) {


								function randOrd() { return(Math.round(Math.random())-0.5); }


									return($(this).each(function() {


									var $this = $(this);


									var $children = $this.children();


									var childCount = $children.length;


									if (childCount > 1) {


										$children.hide();


										var indices = new Array();


										for (i=0;i<childCount;i++) { indices[indices.length] = i; }


										indices = indices.sort(randOrd);


										$.each(indices,function(j,k) { 


											var $child = $children.eq(k);


											var $clone = $child.clone(true);


											$clone.show().appendTo($this);


											if (callback !== undefined) {


												callback($child, $clone);


											}


										$child.remove();


									});


									}


								}));


							};


							$c.reorder();


						}


						function pause() {


							clearInterval(autoplay);


							clearTimeout(restart);


							restart = setTimeout(function() {


								autoplay = setInterval(function(){


									animate("next");


								},o.autoplay);


							},o.autorestart);			


						}				


						$c.css({position:"relative"});			


						$c.children().css({


							position:"absolute",


							top: 0, 


							left: 0,


							zIndex: 0,


							display:"none"


						 });


						if (o.autoheight) {


							$c.animate({height: $c.children(":eq(0)").outerHeight()},o.autoheight);


						}


						if (o.pagination) {


							if (o.autopagination) {


								$t.append("<ul class="+o.pagination+"></ul>");


								$c.children().each(function(){


									$("."+o.pagination+"",$t).append("<li><a rel="+number+" href=\"#\" >"+(number+1)+"</a></li>");


									number++;


								});


							}


							$("."+o.pagination+" li a:eq(0)",$t).parent().addClass("current");


							$("."+o.pagination+" li a",$t).click(function(){


								current = $("."+o.pagination+" li.current a",$t).attr("rel");


								clicked = $(this).attr("rel");


								if (current != clicked) {animate("pagination",clicked,current);}


								if(o.autoplay){pause();}


								return false;


							});


						}


						if (o.sequentialloading&&$c.children()[0].tagName=="IMG") {


							$c.css({background:"url("+o.loadingimg+") no-repeat 50% 50%"});


							imgSrc = $("img:eq(0)",$c).attr("src");


							$("img:eq(0)",$c).attr("src", imgSrc).load(function() {


								$(this).fadeIn(o.speed,function(){


									loaded = true;


								});


							});


						} else {


							$c.find(":eq(0)").fadeIn(o.speed,function(){


								loaded = true;


							});


						}


						if (o.bigtarget) {


							$c.css({"cursor":"pointer"});


							$c.click(function(){


								animate("next");


								if(o.autoplay){


									if (o.autorestart) {


										pause();


									} else {


										clearInterval(autoplay);	


									}


								}


								return false;


							});									


						}			


						if (o.autoplay) {


							autoplay = setInterval(function(){


								animate("next");


							},o.autoplay);


							pause();


						}


						$("."+o.nextbtn,$t).click(function(){


							animate("next");


							if(o.autoplay){


								if (o.autorestart) {


									pause();


								} else {


									clearInterval(autoplay);	


								}


							}


							return false;


						});					


						$("."+o.prevbtn,$t).click(function(){


							animate("prev");


							if(o.autoplay){


								if (o.autorestart) {


									pause();


								} else {


									clearInterval(autoplay);	


								}


							}


							return false;


						});


						function animate(dir,clicked,current){


							if (!active&&loaded) {


								active=true;


								switch(dir) {


									case "next":


										prev = next;


										next = currentitem*1+1;


										if (total === next) { next = 0; }


									break;


									case "prev":


										prev = next;


										next = currentitem*1-1;


										if (next === -1) { next = total-1; }


									break;


									case "pagination":


										next = clicked;


										prev = current;


									break;


								}


								if (o.pagination) {


									$(".pagination li.current",$t).removeClass("current");


									$(".pagination li a:eq("+next+")",$t).parent().addClass("current");


								}


								if (o.crossfade) {


									$c.children(":eq("+next+")").css({zIndex:10}).fadeIn(o.speed,function(){


										$c.children(":eq("+prev+")").css({display:"none",zIndex:0});


										$(this).css({zIndex:0});


										currentitem = next;


										active = false;


									});


								} else {


									$c.children(":eq("+prev+")").fadeOut(o.speed,function(){


										if (o.autoheight) {


											$c.animate({height: $c.children(":eq("+next+")").outerHeight()},o.autoheight,function(){


												$c.children(":eq("+next+")").fadeIn(o.speed);


											});


										} else {


											$c.children(":eq("+next+")").fadeIn(o.speed);


										}


										currentitem = next;


										active = false;


									});


								}


							}


						}


					}


				);


				}


		});


		$.fn.faded.defaults = {


			speed: 400,


			crossfade: false,


			bigtarget: false,


			sequentialloading: false,


			autoheight: false,


			pagination: "pagination",


			autopagination: true,


			nextbtn: "next",


			prevbtn: "prev",


			loadingimg: false,


			autoplay: false,


			autorestart: false,


			random: false


		};


	});


}