/*

Title:		jShowOff: a jQuery Content Rotator Plugin
Author:		Erik Kallevig
Version:	0.1.1
Website:	http://ekallevig.com/jshowoff
License: 	Dual licensed under the MIT and GPL licenses.

*/

(function($){$.fn.jshowoff=function(settings){var config={speed:3000,changeSpeed:600,controls:true,links:true,autoPlay:true};
if(settings)$.extend(config,settings);
if(config.speed<(config.changeSpeed+20))
{alert('jShowOff: Make speed at least 20ms longer than changeSpeed; the fades aren\'t always right on time.');
return this;};
this.each(function(i){var cont=this;
var gallery=$(this).children('div').remove();
var timer='';
var counter=0;
var preloaded=[];
var howManyInstances=$('.jshowoff').length+1;
var cssClass=config.cssClass!==undefined?'jshowoff-custom-'+howManyInstances+' '+config.cssClass:'jshowoff-'+howManyInstances;
var uniqueClass=cssClass.split(' ')[0];
function start(){$(cont).css('position','relative').append('<div class="jshowoff '+cssClass+'"></div>');
$(gallery[0]).clone().appendTo('.'+uniqueClass);
preload();
if(config.controls){addControls();
if(config.autoPlay==false)
{$('.'+uniqueClass+'-play').addClass(uniqueClass+'-paused jshowoff-paused').text('Play');}}
if(config.links)
{addLinks();
$('.'+uniqueClass+'-slidelinks a').eq(0).addClass(uniqueClass+'-active jshowoff-active');}
$('<div class="'+uniqueClass+'-cache jshowoff-cache"></div>').appendTo(cont);$(gallery).each(function(){$(this).appendTo($('.'+uniqueClass+'-cache')).hide();});
if(config.autoPlay&&gallery.length>1)
{timer=setTimeout(function(){play();},config.speed);};
if(gallery.length<1){$('.'+uniqueClass).append('<p>For jShowOff to work, the container element must have child divs.</p>');}};
function transitionTo(gallery,index){if((counter>=gallery.length)||(index>=gallery.length)){counter=0;}
else if((counter<0)||(index<0)){counter=gallery.length-1;}
else{counter=index;}
$(gallery[counter]).clone().appendTo('.'+uniqueClass).hide().fadeIn(config.changeSpeed);
if($('.'+uniqueClass+' div').length>1)
{$('.'+uniqueClass+' div:first').css('position','absolute').fadeOut(config.changeSpeed,function(){$(this).remove();});};
if(config.links)
{$('.'+uniqueClass+'-active').removeClass(uniqueClass+'-active jshowoff-active');
$('.'+uniqueClass+'-slidelinks a').eq(counter).addClass(uniqueClass+'-active jshowoff-active');}};
function addControls()
{$(cont).append('<p class="jshowoff-controls '+uniqueClass+'-controls"><a class="jshowoff-play '+uniqueClass+'-play" href="#null">Pause</a> <a class="jshowoff-prev '+uniqueClass+'-prev" href="#null">Previous</a> <a class="jshowoff-next '+uniqueClass+'-next" href="#null">Next</a></p>');
$('.'+uniqueClass+'-controls a').each(function(){if($(this).hasClass('jshowoff-play'))
$(this).click(function(){updatePlayPause();return false;});
if($(this).hasClass('jshowoff-prev'))$(this).click(function(){previous();return false;});
if($(this).hasClass('jshowoff-next'))$(this).click(function(){next();return false;});});};
function updatePlayPause(){if(isPlaying()){pause();$('.'+uniqueClass+'-play').text('Play').toggleClass('jshowoff-paused '+uniqueClass+'-paused');}
else{play();
$('.'+uniqueClass+'-play').text('Pause').toggleClass('jshowoff-paused '+uniqueClass+'-paused');};};
function isPlaying(){if($('.'+uniqueClass+'-play').hasClass('jshowoff-paused')){return false;}
else{return true;};};
function play(){if(!isBusy()){counter++;transitionTo(gallery,counter);clearTimeout(timer);timer=setTimeout(function(){play(gallery);},config.speed);}};
function pause(){clearTimeout(timer);
$('<p class="'+uniqueClass+'-pausetext">Pause</p>').css({fontSize:'62%',color:'#fff',textAlign:'center',position:'absolute',top:'40%',lineHeight:'100%',width:'100%'}).appendTo('.'+uniqueClass).animate({fontSize:'600%',top:'30%',opacity:0},{duration:400,complete:function(){$(this).remove();}});};
function stopit(){clearTimeout(timer);};
function next(){goToAndPause(counter+1);};
function previous(){goToAndPause(counter-1);};
function isBusy(){return $('.'+uniqueClass+' div').length>1?true:false;};
function goToAndPause(index){$('.'+uniqueClass+' div').stop(true);stopit();
$('.'+uniqueClass+'-play').text('Play').addClass('jshowoff-paused '+uniqueClass+'-paused');if((counter!=index)||((counter==index)&&isBusy())){if(isBusy())$('.'+uniqueClass+' div:first').remove();transitionTo(gallery,index);}};
function addLinks(){$(cont).append('<p class="jshowoff-slidelinks '+uniqueClass+'-slidelinks"></p>');
$.each(gallery,function(i,val){$('<a class="jshowoff-slidelink-'+i+' '+uniqueClass+'-slidelink-'+i+'" href="#null">'+(i+1)+'</a>').bind('click',{index:i},function(e){goToAndPause(e.data.index);return false;}).appendTo('.'+uniqueClass+'-slidelinks');});};function preload(){$(gallery).each(function(i){$(this).find('img').each(function(i){preloaded[i]=$('<img>').attr('src',$(this).attr('src'));});});};start();});
return this;};})
(jQuery);