/*!
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */

(function($){$.fn.jcarousel=function(o){if(typeof o=='string'){var instance=$(this).data('jcarousel'),args=Array.prototype.slice.call(arguments,1);return instance[o].apply(instance,args);}else
return this.each(function(){$(this).data('jcarousel',new $jc(this,o));});};var defaults={vertical:false,start:1,offset:1,size:null,scroll:3,visible:null,animation:'normal',easing:'swing',auto:0,wrap:null,initCallback:null,reloadCallback:null,itemLoadCallback:null,itemFirstInCallback:null,itemFirstOutCallback:null,itemLastInCallback:null,itemLastOutCallback:null,itemVisibleInCallback:null,itemVisibleOutCallback:null,buttonNextHTML:'<div></div>',buttonPrevHTML:'<div></div>',buttonNextEvent:'click',buttonPrevEvent:'click',buttonNextCallback:null,buttonPrevCallback:null};$.jcarousel=function(e,o){this.options=$.extend({},defaults,o||{});this.locked=false;this.container=null;this.clip=null;this.list=null;this.buttonNext=null;this.buttonPrev=null;this.wh=!this.options.vertical?'width':'height';this.lt=!this.options.vertical?'left':'top';var skin='',split=e.className.split(' ');for(var i=0;i<split.length;i++){if(split[i].indexOf('jcarousel-skin')!=-1){$(e).removeClass(split[i]);skin=split[i];break;}}if(e.nodeName=='UL'||e.nodeName=='OL'){this.list=$(e);this.container=this.list.parent();if(this.container.hasClass('jcarousel-clip')){if(!this.container.parent().hasClass('jcarousel-container'))this.container=this.container.wrap('<div></div>');this.container=this.container.parent();}else if(!this.container.hasClass('jcarousel-container'))this.container=this.list.wrap('<div></div>').parent();}else{this.container=$(e);this.list=this.container.find('ul,ol').eq(0);}if(skin!=''&&this.container.parent()[0].className.indexOf('jcarousel-skin')==-1)this.container.wrap('<div class=" '+skin+'"></div>');this.clip=this.list.parent();if(!this.clip.length||!this.clip.hasClass('jcarousel-clip'))this.clip=this.list.wrap('<div></div>').parent();this.buttonNext=$('.jcarousel-next',this.container);if(this.buttonNext.size()==0&&this.options.buttonNextHTML!=null)this.buttonNext=this.clip.after(this.options.buttonNextHTML).next();this.buttonNext.addClass(this.className('jcarousel-next'));this.buttonPrev=$('.jcarousel-prev',this.container);if(this.buttonPrev.size()==0&&this.options.buttonPrevHTML!=null)this.buttonPrev=this.clip.after(this.options.buttonPrevHTML).next();this.buttonPrev.addClass(this.className('jcarousel-prev'));this.clip.addClass(this.className('jcarousel-clip')).css({overflow:'hidden',position:'relative'});this.list.addClass(this.className('jcarousel-list')).css({overflow:'hidden',position:'relative',top:0,left:0,margin:0,padding:0});this.container.addClass(this.className('jcarousel-container')).css({position:'relative'});var di=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;var li=this.list.children('li');var self=this;if(li.size()>0){var wh=0,i=this.options.offset;li.each(function(){self.format(this,i++);wh+=self.dimension(this,di);});this.list.css(this.wh,wh+'px');if(!o||o.size===undefined)this.options.size=li.size();}this.container.css('display','block');this.buttonNext.css('display','block');this.buttonPrev.css('display','block');this.funcNext=function(){self.next();};this.funcPrev=function(){self.prev();};this.funcResize=function(){self.reload();};if(this.options.initCallback!=null)this.options.initCallback(this,'init');if($.browser.safari){this.buttons(false,false);$(window).bind('load.jcarousel',function(){self.setup();});}else
this.setup();};var $jc=$.jcarousel;$jc.fn=$jc.prototype={jcarousel:'0.2.4'};$jc.fn.extend=$jc.extend=$.extend;$jc.fn.extend({setup:function(){this.first=null;this.last=null;this.prevFirst=null;this.prevLast=null;this.animating=false;this.timer=null;this.tail=null;this.inTail=false;if(this.locked)return;this.list.css(this.lt,this.pos(this.options.offset)+'px');var p=this.pos(this.options.start);this.prevFirst=this.prevLast=null;this.animate(p,false);$(window).unbind('resize.jcarousel',this.funcResize).bind('resize.jcarousel',this.funcResize);},reset:function(){this.list.empty();this.list.css(this.lt,'0px');this.list.css(this.wh,'10px');if(this.options.initCallback!=null)this.options.initCallback(this,'reset');this.setup();},reload:function(){if(this.tail!=null&&this.inTail)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+this.tail);this.tail=null;this.inTail=false;if(this.options.reloadCallback!=null)this.options.reloadCallback(this);if(this.options.visible!=null){var self=this;var di=Math.ceil(this.clipping()/this.options.visible),wh=0,lt=0;$('li',this.list).each(function(i){wh+=self.dimension(this,di);if(i+1<self.first)lt=wh;});this.list.css(this.wh,wh+'px');this.list.css(this.lt,-lt+'px');}this.scroll(this.first,false);},lock:function(){this.locked=true;this.buttons();},unlock:function(){this.locked=false;this.buttons();},size:function(s){if(s!=undefined){this.options.size=s;if(!this.locked)this.buttons();}return this.options.size;},has:function(i,i2){if(i2==undefined||!i2)i2=i;if(this.options.size!==null&&i2>this.options.size)i2=this.options.size;for(var j=i;j<=i2;j++){var e=this.get(j);if(!e.length||e.hasClass('jcarousel-item-placeholder'))return false;}return true;},get:function(i){return $('.jcarousel-item-'+i,this.list);},add:function(i,s){var e=this.get(i),old=0,add=0;if(e.length==0){var c,e=this.create(i),j=$jc.intval(i);while(c=this.get(--j)){if(j<=0||c.length){j<=0?this.list.prepend(e):c.after(e);break;}}}else
old=this.dimension(e);e.removeClass(this.className('jcarousel-item-placeholder'));typeof s=='string'?e.html(s):e.empty().append(s);var di=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null;var wh=this.dimension(e,di)-old;if(i>0&&i<this.first)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))-wh+'px');this.list.css(this.wh,$jc.intval(this.list.css(this.wh))+wh+'px');return e;},remove:function(i){var e=this.get(i);if(!e.length||(i>=this.first&&i<=this.last))return;var d=this.dimension(e);if(i<this.first)this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+d+'px');e.remove();this.list.css(this.wh,$jc.intval(this.list.css(this.wh))-d+'px');},next:function(){this.stopAuto();if(this.tail!=null&&!this.inTail)this.scrollTail(false);else
this.scroll(((this.options.wrap=='both'||this.options.wrap=='last')&&this.options.size!=null&&this.last==this.options.size)?1:this.first+this.options.scroll);},prev:function(){this.stopAuto();if(this.tail!=null&&this.inTail)this.scrollTail(true);else
    this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size != null && this.first == 1) ? this.options.size : this.first - this.options.scroll);
}, scrollTail: function(b) { if (this.locked || this.animating || !this.tail) return; var pos = $jc.intval(this.list.css(this.lt)); !b ? pos -= this.tail : pos += this.tail; this.inTail = !b; this.prevFirst = this.first; this.prevLast = this.last; this.animate(pos); }, scroll: function(i, a) { if (this.locked || this.animating) return; this.animate(this.pos(i), a); }, pos: function(i) { var pos = $jc.intval(this.list.css(this.lt)); if (this.locked || this.animating) return pos; if (this.options.wrap != 'circular') i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i); var back = this.first > i; var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first; var c = back ? this.get(f) : this.get(this.last); var j = back ? f : f - 1; var e = null, l = 0, p = false, d = 0, g; while (back ? --j >= i : ++j < i) { e = this.get(j); p = !e.length; if (e.length == 0) { e = this.create(j).addClass(this.className('jcarousel-item-placeholder')); c[back ? 'before' : 'after'](e); if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) { g = this.get(this.index(j)); if (g.length) this.add(j, g.children().clone(true)); } } c = e; d = this.dimension(e); if (p) l += d; if (this.first != null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size == null || j <= this.options.size)))) pos = back ? pos + d : pos - d; } var clipping = this.clipping(); var cache = []; var visible = 0, j = i, v = 0; var c = this.get(i - 1); while (++visible) { e = this.get(j); p = !e.length; if (e.length == 0) { e = this.create(j).addClass(this.className('jcarousel-item-placeholder')); c.length == 0 ? this.list.prepend(e) : c[back ? 'before' : 'after'](e); if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) { g = this.get(this.index(j)); if (g.length) this.add(j, g.find('>*').clone(true)); } } c = e; var d = this.dimension(e); if (d == 0) { isNaN; return 0; } if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size) cache.push(e); else if (p) l += d; v += d; if (v >= clipping) break; j++; } for (var x = 0; x < cache.length; x++) cache[x].remove(); if (l > 0) { this.list.css(this.wh, this.dimension(this.list) + l + 'px'); if (back) { pos -= l; this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px'); } } var last = i + visible - 1; if (this.options.wrap != 'circular' && this.options.size && last > this.options.size) last = this.options.size; if (j > last) { visible = 0, j = last, v = 0; while (++visible) { var e = this.get(j--); if (!e.length) break; v += this.dimension(e); if (v >= clipping) break; } } var first = last - visible + 1; if (this.options.wrap != 'circular' && first < 1) first = 1; if (this.inTail && back) { pos += this.tail; this.inTail = false; } this.tail = null; if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) { var m = $jc.margin(this.get(last), !this.options.vertical ? 'marginRight' : 'marginBottom'); if ((v - m) > clipping) this.tail = v - clipping - m; } while (i-- > first) pos += this.dimension(this.get(i)); this.prevFirst = this.first; this.prevLast = this.last; this.first = first; this.last = last; return pos; }, animate: function(p, a) { if (this.locked || this.animating) return; this.animating = true; var self = this; var scrolled = function() { self.animating = false; if (p == 0) self.list.css(self.lt, 0); if (self.options.wrap == 'circular' || self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size == null || self.last < self.options.size) self.startAuto(); self.buttons(); self.notify('onAfterAnimation'); }; this.notify('onBeforeAnimation'); if (!this.options.animation || a == false) { this.list.css(this.lt, p + 'px'); scrolled(); } else { var o = !this.options.vertical ? { 'left': p} : { 'top': p }; this.list.animate(o, this.options.animation, this.options.easing, scrolled); } }, startAuto: function(s) { if (s != undefined) this.options.auto = s; if (this.options.auto == 0) return this.stopAuto(); if (this.timer != null) return; var self = this; this.timer = setTimeout(function() { self.next(); }, this.options.auto * 1000); }, stopAuto: function() { if (this.timer == null) return; clearTimeout(this.timer); this.timer = null; }, buttons: function(n, p) { if (n == undefined || n == null) { var n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size == null || this.last < this.options.size); if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size != null && this.last >= this.options.size) n = this.tail != null && !this.inTail; } if (p == undefined || p == null) { var p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1); if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size != null && this.first == 1) p = this.tail != null && this.inTail; } var self = this; this.buttonNext[n ? 'bind' : 'unbind'](this.options.buttonNextEvent + '.jcarousel', this.funcNext)[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true); this.buttonPrev[p ? 'bind' : 'unbind'](this.options.buttonPrevEvent + '.jcarousel', this.funcPrev)[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true); if (this.buttonNext.length > 0 && (this.buttonNext[0].jcarouselstate == undefined || this.buttonNext[0].jcarouselstate != n) && this.options.buttonNextCallback != null) { this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); }); this.buttonNext[0].jcarouselstate = n; } if (this.buttonPrev.length > 0 && (this.buttonPrev[0].jcarouselstate == undefined || this.buttonPrev[0].jcarouselstate != p) && this.options.buttonPrevCallback != null) { this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); }); this.buttonPrev[0].jcarouselstate = p; } }, notify: function(evt) { var state = this.prevFirst == null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev'); this.callback('itemLoadCallback', evt, state); if (this.prevFirst !== this.first) { this.callback('itemFirstInCallback', evt, state, this.first); this.callback('itemFirstOutCallback', evt, state, this.prevFirst); } if (this.prevLast !== this.last) { this.callback('itemLastInCallback', evt, state, this.last); this.callback('itemLastOutCallback', evt, state, this.prevLast); } this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast); this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last); }, callback: function(cb, evt, state, i1, i2, i3, i4) { if (this.options[cb] == undefined || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation')) return; var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb]; if (!$.isFunction(callback)) return; var self = this; if (i1 === undefined) callback(self, state, evt); else if (i2 === undefined) this.get(i1).each(function() { callback(self, this, i1, state, evt); }); else { for (var i = i1; i <= i2; i++) if (i !== null && !(i >= i3 && i <= i4)) this.get(i).each(function() { callback(self, this, i, state, evt); }); } }, create: function(i) { return this.format('<li></li>', i); }, format: function(e, i) { var $e = $(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)).css({ 'float': 'left', 'list-style': 'none' }); $e.attr('jcarouselindex', i); return $e; }, className: function(c) { return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical'); }, dimension: function(e, d) { var el = e.jquery != undefined ? e[0] : e; var old = !this.options.vertical ? el.offsetWidth + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') : el.offsetHeight + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom'); if (d == undefined || old == d) return old; var w = !this.options.vertical ? d - $jc.margin(el, 'marginLeft') - $jc.margin(el, 'marginRight') : d - $jc.margin(el, 'marginTop') - $jc.margin(el, 'marginBottom'); $(el).css(this.wh, w + 'px'); return this.dimension(el); }, clipping: function() { return !this.options.vertical ? this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) : this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth')); }, index: function(i, s) { if (s == undefined) s = this.options.size; return Math.round((((i - 1) / s) - Math.floor((i - 1) / s)) * s) + 1; } 
}); $jc.extend({ defaults: function(d) { return $.extend(defaults, d || {}); }, margin: function(e, p) { if (!e) return 0; var el = e.jquery != undefined ? e[0] : e; if (p == 'marginRight' && $.browser.safari) { var old = { 'display': 'block', 'float': 'none', 'width': 'auto' }, oWidth, oWidth2; $.swap(el, old, function() { oWidth = el.offsetWidth; }); old['marginRight'] = 0; $.swap(el, old, function() { oWidth2 = el.offsetWidth; }); return oWidth2 - oWidth; } return $jc.intval($.css(el, p)); }, intval: function(v) { v = parseInt(v); return isNaN(v) ? 0 : v; } });
})(jQuery);