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/*
 * 	loopedSlider 0.5 - jQuery plugin
 *	written by Nathan Searles	
 *	http://code.google.com/p/loopedslider/
 *
 *	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
 *
 */

/*
 *	markup example for $("#loopedSlider").loopedSlider();
 *
 *	<div id="loopedSlider">	
 *		<div class="container">
 *			<div class="slides">
 *				<div><img src="01.jpg" alt="" /></div>
 *				<div><img src="02.jpg" alt="" /></div>
 *				<div><img src="03.jpg" alt="" /></div>
 *				<div><img src="04.jpg" alt="" /></div>
 *			</div>
 *		</div>
 *		<a href="#" class="previous">previous</a>
 *		<a href="#" class="next">next</a>
 *		<ul class="pagination">
 *			<li><a href="#">1</a></li>
 *			<li><a href="#">2</a></li>
 *			<li><a href="#">3</a></li>
 *			<li><a href="#">4</a></li>
 *		</ul>	
 *	</div>
 *
*/

(function($) {
	$.fn.loopedSlider = function(options) {
		
	var defaults = {			
		container: '.container',
		slides: '.slides',
		pagination: '.pagination',
		containerClick: false, // Click container for next slide
		autoStart: 10000, // Set to positive number for auto interval and interval time
		slidespeed: 1000, // Speed of slide animation
		fadespeed: 500, // Speed of fade animation
		autoHeight: false // Set to positive number for auto height and animation speed
	};
		
	this.each(function() {
		
		var obj = $(this);
		var o = $.extend(defaults, options);
		var pagination = $(o.pagination+' li a',obj);
		var m = 0;
		var t = 1;
		var s = $(o.slides,obj).children().size();
		var w = $(o.slides,obj).children().outerWidth();
		var p = 0;
		var u = false;
		var n = 0;
		
		$(o.slides,obj).css({width:(s*w)});
		
		$(o.slides,obj).children().each(function(){
			$(this).css({position:'absolute',left:p,display:'block'});
			p=p+w;
		});
		
		$(pagination,obj).each(function(){
			n=n+1;
			$(this).attr('rel',n);
			$(pagination.eq(0),obj).parent().addClass('active');
		});
		
		$(o.slides,obj).children(':eq('+(s-1)+')').css({position:'absolute',left:-w});
		
		if(o.autoHeight){autoHeight(t);}
		
		$('.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;
		});
		
		if (o.containerClick) {
			$(o.container ,obj).click(function(){
				if(u===false) {
					animate('next',true);
					if(o.autoStart){clearInterval(sliderIntervalID);}
				} return false;
			});
		}
		
		$(pagination,obj).click(function(){
			if ($(this).parent().hasClass('active')) {return false;}
			else {
				t = $(this).attr('rel');
				$(pagination,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===s+1){t=1;}
			if(t===0){t=s;}
			$(pagination,obj).parent().siblings().removeClass('active');
			$(pagination+'[rel="' + (t) + '"]',obj).parent().addClass('active');
		};
		
		function autoHeight(t) {
			if(t===s+1){t=1;}
			if(t===0){t=s;}	
			var getHeight = $(o.slides,obj).children(':eq('+(t-1)+')',obj).outerHeight();
			$('.container',obj).animate({height: getHeight},o.autoHeight);					
		};		
		
		function animate(dir,clicked){	
			u = true;	
			switch(dir){
				case 'next':
					t = t+1;
					m = (-(t*w-w));
					current(t);
					if(o.autoHeight){autoHeight(t);}
					$(o.slides,obj).animate({left: m}, o.slidespeed,function(){
						if (t===s+1) {
							t = 1;
							$(o.slides,obj).css({left:0},function(){$(o.slides,obj).animate({left:m})});							
							$(o.slides,obj).children(':eq(0)').css({left: 0});
							$(o.slides,obj).children(':eq('+(s-1)+')').css({ position:'absolute',left:-w});				
						}
						if (t===s) $(o.slides,obj).children(':eq(0)').css({left:(s*w)});
						if (t===s-1) $(o.slides,obj).children(':eq('+(s-1)+')').css({left:s*w-w});
						u = false;
					});					
					break; 
				case 'prev':
					t = t-1;
					m = (-(t*w-w));
					current(t);
					if(o.autoHeight){autoHeight(t);}
					$(o.slides,obj).animate({left: m}, o.slidespeed,function(){
						if (t===0) {
							t = s;
							$(o.slides,obj).children(':eq('+(s-1)+')').css({position:'absolute',left:(s*w-w)});
							$(o.slides,obj).css({left: -(s*w-w)});
							$(o.slides,obj).children(':eq(0)').css({left:(s*w)});
						}
						if (t===2 ) $(o.slides,obj).children(':eq(0)').css({position:'absolute',left:0});
						if (t===1) $(o.slides,obj).children(':eq('+ (s-1) +')').css({position:'absolute',left:-w});
						u = false;
					});
					break;
				case 'fade':
					t = [t]*1;
					m = (-(t*w-w));
					current(t);
					if(o.autoHeight){autoHeight(t);}
					$(o.slides,obj).children().fadeOut(o.fadespeed, function(){
						$(o.slides,obj).css({left: m});
						$(o.slides,obj).children(':eq('+(s-1)+')').css({left:s*w-w});
						$(o.slides,obj).children(':eq(0)').css({left:0});
						if(t===s){$(o.slides,obj).children(':eq(0)').css({left:(s*w)});}
						if(t===1){$(o.slides,obj).children(':eq('+(s-1)+')').css({ position:'absolute',left:-w});}
						$(o.slides,obj).children().fadeIn(o.fadespeed);
						u = false;
					});
					break; 
				default:
					break;
				}					
			};
		});
	};





/* BEGIN TICKER 
 *
 * Copyright (c) 2006/2007 Sam Collett (http://www.texotela.co.uk)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Version 2.0
 * Demo: http://www.texotela.co.uk/code/jquery/newsticker/
 *
 * $LastChangedDate$
 * $Rev$
 *
 */
 
/*
 * A basic news ticker.
 *
 * @name     newsticker (or newsTicker)
 * @param    delay      Delay (in milliseconds) between iterations. Default 4 seconds (4000ms)
 * @author   Sam Collett (http://www.texotela.co.uk)
 * @example  $("#news").newsticker(); // or $("#news").newsTicker(5000);
 *
 */
$.fn.newsTicker = $.fn.newsticker = function(delay)
{
	delay = delay || 4000;
	initTicker = function(el)
	{
		stopTicker(el);
		el.items = $("li", el);
		// hide all items (except first one)
		el.items.not(":eq(0)").hide().end();
		// current item
		el.currentitem = 0;
		startTicker(el);
	};
	startTicker = function(el)
	{
		el.tickfn = setInterval(function() { doTick(el) }, delay)
	};
	stopTicker = function(el)
	{
		clearInterval(el.tickfn);
	};
	pauseTicker = function(el)
	{
		el.pause = true;
	};
	resumeTicker = function(el)
	{
		el.pause = false;
	};
	doTick = function(el)
	{
		// don't run if paused
		if(el.pause) return;
		// pause until animation has finished
		el.pause = true;
		// hide current item
		$(el.items[el.currentitem]).fadeOut("slow",
			function()
			{
				$(this).hide();
				// move to next item and show
				el.currentitem = ++el.currentitem % (el.items.size());
				$(el.items[el.currentitem]).fadeIn("slow",
					function()
					{
						el.pause = false;
					}
				);
			}
		);
	};
	this.each(
		function()
		{
			if(this.nodeName.toLowerCase()!= "ul") return;
			initTicker(this);
		}
	)
	.addClass("newsticker")
	.hover(
		function()
		{
			// pause if hovered over
			pauseTicker(this);
		},
		function()
		{
			// resume when not hovered over
			resumeTicker(this);
		}
	);
	return this;
};





/*
 * jQuery UI Accordion 1.6
 * 
 * Copyright (c) 2007 Ja
rn Zaefferer
 *
 * http://docs.jquery.com/UI/Accordion
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.accordion.js 4876 2008-03-08 11:49:04Z joern.zaefferer $
 *
 */

	
// If the UI scope is not available, add it
$.ui = $.ui || {};

$.fn.extend({
	accordion: function(options, data) {
		var args = Array.prototype.slice.call(arguments, 1);

		return this.each(function() {
			if (typeof options == "string") {
				var accordion = $.data(this, "ui-accordion");
				accordion[options].apply(accordion, args);
			// INIT with optional options
			} else if (!$(this).is(".ui-accordion"))
				$.data(this, "ui-accordion", new $.ui.accordion(this, options));
		});
	},
	// deprecated, use accordion("activate", index) instead
	activate: function(index) {
		return this.accordion("activate", index);
	}
});

$.ui.accordion = function(container, options) {
	
	// setup configuration
	this.options = options = $.extend({}, $.ui.accordion.defaults, options);
	this.element = container;
	
	$(container).addClass("ui-accordion");
	
	if ( options.navigation ) {
		var current = $(container).find("a").filter(options.navigationFilter);
		if ( current.length ) {
			if ( current.filter(options.header).length ) {
				options.active = current;
			} else {
				options.active = current.parent().parent().prev();
				current.addClass("current");
			}
		}
	}
	
	// calculate active if not specified, using the first header
	options.headers = $(container).find(options.header);
	options.active = findActive(options.headers, options.active);

	if ( options.fillSpace ) {
		var maxHeight = $(container).parent().height();
		options.headers.each(function() {
			maxHeight -= $(this).outerHeight();
		});
		var maxPadding = 0;
		options.headers.next().each(function() {
			maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height());
		}).height(maxHeight - maxPadding);
	} else if ( options.autoheight ) {
		var maxHeight = 0;
		options.headers.next().each(function() {
			maxHeight = Math.max(maxHeight, $(this).outerHeight());
		}).height(maxHeight);
	}

	options.headers
		.not(options.active || "")
		.next()
		.hide();
	options.active.parent().andSelf().addClass(options.selectedClass);
	
	if (options.event)
		$(container).bind((options.event) + ".ui-accordion", clickHandler);
};

$.ui.accordion.prototype = {
	activate: function(index) {
		// call clickHandler with custom event
		clickHandler.call(this.element, {
			target: findActive( this.options.headers, index )[0]
		});
	},
	
	enable: function() {
		this.options.disabled = false;
	},
	disable: function() {
		this.options.disabled = true;
	},
	destroy: function() {
		this.options.headers.next().css("display", "");
		if ( this.options.fillSpace || this.options.autoheight ) {
			this.options.headers.next().css("height", "");
		}
		$.removeData(this.element, "ui-accordion");
		$(this.element).removeClass("ui-accordion").unbind(".ui-accordion");
	}
}

function scopeCallback(callback, scope) {
	return function() {
		return callback.apply(scope, arguments);
	};
}

function completed(cancel) {
	// if removed while animated data can be empty
	if (!$.data(this, "ui-accordion"))
		return;
	var instance = $.data(this, "ui-accordion");
	var options = instance.options;
	options.running = cancel ? 0 : --options.running;
	if ( options.running )
		return;
	if ( options.clearStyle ) {
		options.toShow.add(options.toHide).css({
			height: "",
			overflow: ""
		});
	}
	$(this).triggerHandler("change.ui-accordion", [options.data], options.change);
}

function toggle(toShow, toHide, data, clickedActive, down) {
	var options = $.data(this, "ui-accordion").options;
	options.toShow = toShow;
	options.toHide = toHide;
	options.data = data;
	var complete = scopeCallback(completed, this);
	
	// count elements to animate
	options.running = toHide.size() == 0 ? toShow.size() : toHide.size();
	
	if ( options.animated ) {
		if ( !options.alwaysOpen && clickedActive ) {
			$.ui.accordion.animations[options.animated]({
				toShow: jQuery([]),
				toHide: toHide,
				complete: complete,
				down: down,
				autoheight: options.autoheight
			});
		} else {
			$.ui.accordion.animations[options.animated]({
				toShow: toShow,
				toHide: toHide,
				complete: complete,
				down: down,
				autoheight: options.autoheight
			});
		}
	} else {
		if ( !options.alwaysOpen && clickedActive ) {
			toShow.toggle();
		} else {
			toHide.hide();
			toShow.show();
		}
		complete(true);
	}
}

function clickHandler(event) {
	var options = $.data(this, "ui-accordion").options;
	if (options.disabled)
		return false;
	
	// called only when using activate(false) to close all parts programmatically
	if ( !event.target && !options.alwaysOpen ) {
		options.active.parent().andSelf().toggleClass(options.selectedClass);
		var toHide = options.active.next(),
			data = {
				instance: this,
				options: options,
				newHeader: jQuery([]),
				oldHeader: options.active,
				newContent: jQuery([]),
				oldContent: toHide
			},
			toShow = options.active = $([]);
		toggle.call(this, toShow, toHide, data );
		return false;
	}
	// get the click target
	var clicked = $(event.target);
	
	// due to the event delegation model, we have to check if one
	// of the parent elements is our actual header, and find that
	if ( clicked.parents(options.header).length )
		while ( !clicked.is(options.header) )
			clicked = clicked.parent();
	
	var clickedActive = clicked[0] == options.active[0];
	
	// if animations are still active, or the active header is the target, ignore click
	if (options.running || (options.alwaysOpen && clickedActive))
		return false;
	if (!clicked.is(options.header))
		return;

	// switch classes
	options.active.parent().andSelf().toggleClass(options.selectedClass);
	if ( !clickedActive ) {
		clicked.parent().andSelf().addClass(options.selectedClass);
	}

	// find elements to show and hide
	var toShow = clicked.next(),
		toHide = options.active.next(),
		//data = [clicked, options.active, toShow, toHide],
		data = {
			instance: this,
			options: options,
			newHeader: clicked,
			oldHeader: options.active,
			newContent: toShow,
			oldContent: toHide
		},
		down = options.headers.index( options.active[0] ) > options.headers.index( clicked[0] );
	
	options.active = clickedActive ? $([]) : clicked;
	toggle.call(this, toShow, toHide, data, clickedActive, down );

	return false;
};

function findActive(headers, selector) {
	return selector != undefined
		? typeof selector == "number"
			? headers.filter(":eq(" + selector + ")")
			: headers.not(headers.not(selector))
		: selector === false
			? $([])
			: headers.filter(":eq(0)");
}

$.extend($.ui.accordion, {
	defaults: {
		selectedClass: "selected",
		alwaysOpen: false,
		animated: 'slide',
		event: "click",
		header: "a",
		autoheight: false,
		running: 0,
		navigationFilter: function() {
			return this.href.toLowerCase() == location.href.toLowerCase();
		}
	},
	animations: {
		slide: function(options, additions) {
			options = $.extend({
				easing: "swing",
				duration: 300
			}, options, additions);
			if ( !options.toHide.size() ) {
				options.toShow.animate({height: "show"}, options);
				return;
			}
			var hideHeight = options.toHide.height(),
				showHeight = options.toShow.height(),
				difference = showHeight / hideHeight;
			options.toShow.css({ height: 0, overflow: 'hidden' }).show();
			options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{
				step: function(now) {
					var current = (hideHeight - now) * difference;
					if ($.browser.msie || $.browser.opera) {
						current = Math.ceil(current);
					}
					options.toShow.height( current );
				},
				duration: options.duration,
				easing: options.easing,
				complete: function() {
					if ( !options.autoheight ) {
						options.toShow.css("height", "auto");
					}
					options.complete();
				}
			});
		},
		bounceslide: function(options) {
			this.slide(options, {
				easing: options.down ? "bounceout" : "swing",
				duration: options.down ? 1000 : 200
			});
		},
		easeslide: function(options) {
			this.slide(options, {
				easing: "easeinout",
				duration: 10000
			})
		}
	}
});

})(jQuery);