Вот сама функция слайдера и функция возврата состояния jsvisible();
var headerk;
(function($) {
$.fn.jshowoff = function() {
// default global vars
var config = {
animatePause : true,
autoPlay : true,
changeSpeed : 600,
controls : true,
controlText : {
play : 'Play',
pause : 'Pause',
next : 'Next',
previous : 'Previous'
},
effect : 'fade',
hoverPause : true,
links : true,
speed : 3000
};
// Удаляем и восстанавливаем параграф #myDiv2
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;
};
// create slideshow for each matching element invoked by .jshowoff()
this.each(function(i) {
// declare instance variables
var $cont = $(this);
var gallery = $(this).children().children().children().remove();
var timer = '';
var counter = 0;
var preloadedImg = [];
var howManyInstances = $('.jshowoff').length+1;
var uniqueClass = 'jshowoff-'+howManyInstances;
var cssClass = config.cssClass != undefined ? config.cssClass : '';
// set up wrapper
$cont.css('position','relative').wrap('<div class="jshowoff '+uniqueClass+'" />');
var $wrap = $('.'+uniqueClass);
$wrap.css('position','absolute').addClass(cssClass);
// add first slide to wrapper
$('#demo5.scroll-img ul').css('margin','0px, 0px');
$('.btn').css('display','none');
$('.demo5').css('display','none');
$('.container').css('display','none');
$(gallery[0]).clone().appendTo($cont);
// preload slide images into memory
preloadImg();
// add controls
if(config.controls){
addControls();
if(config.autoPlay==false){
$('.'+uniqueClass+'-play').addClass(uniqueClass+'-paused jshowoff-paused').text(config.controlText.play);
};
};
// add slide links
if(config.links){
addSlideLinks();
$('.'+uniqueClass+'-slidelinks a').eq(0).addClass(uniqueClass+'-active jshowoff-active');
};
// pause slide rotation on hover
if(config.hoverPause){ $cont.hover(
function(){ if(isPlaying()) pause('hover'); },
function(){ if(isPlaying()) play('hover'); }
);};
// determine autoPlay
if(config.autoPlay && gallery.length>1) {
timer = setInterval( function(){ play(); }, config.speed );
};
// display error message if no slides present
if(gallery.length<1){
$('.'+uniqueClass).append('<p>For jShowOff to work, the container element must have child elements.</p>');
};
// utility for loading slides
function transitionTo(gallery,index) {
var oldCounter = counter;
if((counter >= gallery.length) || (index >= gallery.length)) { counter = 0; var e2b = true; }
else if((counter < 0) || (index < 0)) { counter = gallery.length-1; var b2e = true; }
else { counter = index; }
if(config.effect=='fade') {
$(gallery[counter]).clone().appendTo($cont).hide().fadeIn(config.changeSpeed);
$cont.children().children().eq(0).css('position','absolute').fadeOut(config.changeSpeed,function(){$(this).remove();});
}
// update active class on slide link
if(config.links){
$('.'+uniqueClass+'-active').removeClass(uniqueClass+'-active jshowoff-active');
$('.'+uniqueClass+'-slidelinks a').eq(counter).addClass(uniqueClass+'-active jshowoff-active');
};
};
// is the rotator currently in 'play' mode
function isPlaying(){
return $('.'+uniqueClass+'-play').hasClass('jshowoff-paused') ? false : true;
};
// start slide rotation on specified interval
function play(src) {
if(!isBusy()){
counter++;
transitionTo(gallery,counter);
if(src=='hover' || !isPlaying()) {
timer = setInterval(function(){ play(); },config.speed);
}
if(!isPlaying()){
$('.'+uniqueClass+'-play').text(config.controlText.pause).removeClass('jshowoff-paused '+uniqueClass+'-paused');
}
};
};
// stop slide rotation
function pause(src) {
clearInterval(timer);
if(!src || src=='playBtn') $('.'+uniqueClass+'-play').text(config.controlText.play).addClass('jshowoff-paused '+uniqueClass+'-paused');
if(config.animatePause && src=='playBtn'){
$('<p class="'+uniqueClass+'-pausetext jshowoff-pausetext">'+config.controlText.pause+'</p>').css({ fontSize:'62%', textAlign:'center', position:'absolute', top:'40%', lineHeight:'100%', width:'100%' }).appendTo($wrap).addClass(uniqueClass+'pauseText').animate({ fontSize:'600%', top:'30%', opacity:0 }, {duration:500,complete:function(){$(this).remove();}});
}
};
// load the next slide
function next() {
goToAndPause(counter+1);
};
// load the previous slide
function previous() {
goToAndPause(counter-1);
};
// is the rotator in mid-transition
function isBusy() {
return $cont.children().length>1 ? true : false;
};
// load a specific slide
function goToAndPause(index) {
$cont.children().stop(true,true);
if((counter != index) || ((counter == index) && isBusy())){
if(isBusy()) $cont.children().eq(0).remove();
transitionTo(gallery,index);
pause();
};
};
// load images into memory
function preloadImg() {
$(gallery).each(function(i){
$(this).find('img').each(function(i){
preloadedImg[i] = $('<img>').attr('src',$(this).attr('src'));
});
});
};
// generate and add play/pause, prev, next controls
function addControls() {
$wrap.append('<button class="btn" id="demo5-forwardd">Forward <i class="icon-chevron-right"></i></button><p class="jshowoff-controls '+uniqueClass+'-controls"><a class="jshowoff-play '+uniqueClass+'-play" href="#null">'+config.controlText.pause+'</a> <a class="jshowoff-prevv '+uniqueClass+'-prevv" href="#null"></a> <a class="jshowoff-prev '+uniqueClass+'-prev" href="#null">'+config.controlText.previous+'</a> <a class="jshowoff-next '+uniqueClass+'-next" href="#null">'+config.controlText.next+'</a></p>');
$('.'+uniqueClass+'-controls a').each(function(){
if($(this).hasClass('jshowoff-play')) $(this).click(function(){ isPlaying() ? pause('playBtn') : play(); return false; } );
if($(this).hasClass('jshowoff-prev')) $(this).click(function(){ previous(); return false; });
if($(this).hasClass('jshowoff-next')) $(this).click(function(){ next(); return false; });
});
};
function addSlideLinks() {
$wrap.append('<p class="jshowoff-slidelinks '+uniqueClass+'-slidelinks"></p>');
$.each(gallery, function(i, val) {
var linktext = $(this).attr('title') || i+1;
$('<a class="jshowoff-slidelink-'+i+' '+uniqueClass+'-slidelink-'+i+'" href="#null">'+linktext+'</a>').bind('click', {index:i}, function(e){ goToAndPause(e.data.index); return false; }).appendTo('.'+uniqueClass+'-slidelinks');
});
};
});
return this;
};
// end closure
})(jQuery);
var jsvisible = function () {
// header = $('header').detach();
// header.appendTo('body');
$('body').empty();
demo.appendTo('body');
};
