//Looped Carousel
(function($) {
$.fn.loopedCarousel = function(options) {

var defaults = {
container: '.container',
slides: '.slides',
pagination: '.pagination',
autoStart: 0, // Set to positive number for auto interval and interval time
slidespeed: 300, // Speed of slide animation
fadespeed: 300, // Speed of fade animation
items: 1, // Items show
padding: 10, // Padding between items
showPagination: false, // Shows pagination links
vertical: false
};

this.each(function() {
var obj = $(this);
var o = $.extend(defaults, options);
var i = o.items;
var m = 0;
var t = 1;
var s = $(o.slides,obj).children().size();
var w = $(o.slides,obj).children().outerWidth()+o.padding;
var h = $(o.slides,obj).children().outerHeight()+o.padding;
var c = Math.ceil($(o.slides,obj).children().size()/i);
var pd = o.padding/2;
var p = 0;
var u = false;
var n = 0;
var pt = 0;
var os = i*c-s;
var params = {};

if (o.vertical===true) { w = h; }

if(o.showPagination){
var buttons = s/i;
$(obj).append('<ul class="pagination">');
$(o.slides,obj).children().each(function(){
if (n<buttons) {
$(o.pagination,obj).append('<li><a rel="'+(n+1)+'" href="#" >'+(n+1)+'</a></li>');
n = n+1;
} else {
n = 0;
return false;
}
$(o.pagination+' li a:eq(0)',obj).parent().addClass('active');
});
}

if (o.vertical===true) {
$(o.container,obj).css({height:(w*i)});
$(o.slides,obj).css({height:(s*w)});
} else {
$(o.container,obj).css({width:(w*i)});
$(o.slides,obj).css({width:(s*w)});
}

$(o.slides,obj).children().each(function(){
if (o.vertical===true) {
$(this).css({position:'absolute',top:p+pd,display:'block'});
} else {
$(this).css({position:'absolute',left:p+pd,display:'block'});
}
p=p+w;
});

$(o.slides,obj).children().each(function(){
pt = pt+1;
if (pt<i+1) {
params[o.vertical ? 'top' : 'left'] = (-w*pt)+pd-(w*os);
$(o.slides,obj).children(':eq('+(s-pt)+')').css(params);
}
if (pt===i+2) {
pt = 0;
return false;
}
});

$('.next',obj).click(function(){
if(u===false) {
animate('next',true);
if(o.autoStart){clearInterval(sliderIntervalID);}
}
return false;
});

$('.previous',obj).click(function(){
if(u===false) {
animate('prev',true);
if(o.autoStart){clearInterval(sliderIntervalID);}
} return false;
});

$(o.pagination+' li a',obj).click(function(){
if ($(this).parent().hasClass('active')) {return false;}
else {
t = $(this).attr('rel');
$(o.pagination+' li a',obj).parent().siblings().removeClass('active');
$(this).parent().addClass('active');
animate('fade',t);
if(o.autoStart){clearInterval(sliderIntervalID);}
} return false;
});

if (o.autoStart) {
sliderIntervalID = setInterval(function(){
if(u===false) {animate('next',true);}
}, o.autoStart);
}

function current(t) {
if(t===c+1){t=1;}
if(t===0){t=c;}
$(o.pagination+' li a',obj).parent().siblings().removeClass('active');
$(o.pagination+' li a[rel="' + (t) + '"]',obj).parent().addClass('active');
}

function animate(dir,clicked){
u = true;
switch(dir){
case 'next':
t = t+1;
m = (-(t*w-w)*i);
current(t);
params[o.vertical ? 'top' : 'left'] = m;
$(o.slides,obj).animate(params, o.slidespeed,function(){
if (t===c+1) {
t = 1;
params[o.vertical ? 'top' : 'left'] = 0;
$(o.slides,obj).css(params,function(){
$(o.slides,obj).animate(params);
});
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = (w*pt)+pd;
$(o.slides,obj).children(':eq('+pt+')').css(params);
params[o.vertical ? 'top' : 'left'] = -(w*(pt+os+1)-pd);
$(o.slides,obj).children(':eq('+(s-(pt+1))+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}
if (t===c) {
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = w*(s+pt+os)+pd;
$(o.slides,obj).children(':eq('+(pt)+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}
if (t===2) {
$(o.slides,obj).children().each(function(){
pt = pt+1;
if (pt<i+1) {
params[o.vertical ? 'top' : 'left'] = ((w*s)+pd)-(w*pt);
$(o.slides,obj).children(':eq('+(s-pt)+')').css(params);
} else {
pt = 0;
return false;
}
});
}
u = false;
});
break;
case 'prev':
t = t-1;
m = (-(t*w-w)*i);
current(t);
params[o.vertical ? 'top' : 'left'] = m;
$(o.slides,obj).animate(params, o.slidespeed,function(){
if (t===0) {
t = c;
params[o.vertical ? 'top' : 'left'] = -w*(s-i)-(w*os);
$(o.slides,obj).css(params);
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = w*(s+pt+os)+pd;
$(o.slides,obj).children(':eq('+pt+')').css(params);
params[o.vertical ? 'top' : 'left'] = (s*w)+pd-(pt*w)-w;
$(o.slides,obj).children(':eq('+((s-1)-pt)+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}
if (t===2) {
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = (w*pt)+pd;
$(o.slides,obj).children(':eq('+pt+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}
if (t===1) {
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = -(w*pt)-w+pd-(w*os);
$(o.slides,obj).children(':eq('+((s-1)-pt)+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}

u = false;
});
break;
case 'fade':
t = [t]*1;
m = (-(t*w-w)*i);
current(t);
$(o.slides,obj).children().fadeOut(o.fadespeed, function(){
params[o.vertical ? 'top' : 'left'] = m;
$(o.slides,obj).css(params);
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = (pt*w)+pd;
$(o.slides,obj).children(':eq('+pt+')').css(params);
params[o.vertical ? 'top' : 'left'] = w*(s-pt)-w+pd;
$(o.slides,obj).children(':eq('+((s-1)-pt)+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});

if(t===c){
$(o.slides,obj).children().each(function(){
if (pt<i) {
params[o.vertical ? 'top' : 'left'] = w*(s+pt+os)+pd;
$(o.slides,obj).children(':eq('+(pt)+')').css(params);
} else {
pt = 0;
return false;
}
pt = pt+1;
});
}
if(t===1){
$(o.slides,obj).children().each(function(){
pt = pt+1;
if (pt<i+1) {
params[o.vertical ? 'top' : 'left'] = -(w*pt)+pd-(w*os);
$(o.slides,obj).children(':eq('+(s-pt)+')').css(params);
} else {
pt = 0;
return false;
}
});
}
$(o.slides,obj).children().fadeIn(o.fadespeed);
u = false;
});
break;
default:
break;
}
}
});
};
})(jQuery);