// JScript File

/*	
         *	jQuery carouFredSel 2.1.3
         *	Demo's and documentation:
         *	caroufredsel.frebsite.nl
         *	
         *	Copyright (c) 2010 Fred Heusschen
         *	www.frebsite.nl
         *
         *	Licensed under the MIT license.
         *	http://www.opensource.org/licenses/mit-license.php
         */

        (function($) {
	        $.fn.carouFredSel = function(options) {
		        return this.each(function() {
			        var opts 			= $.extend(true, {}, $.fn.carouFredSel.defaults, options),
				        $ul 			= $(this),
				        $wr				= $ul.wrap('<div class="caroufredsel_wrapper" />').parent(),
				        $it 			= $('> *', $ul),
				        totalItems		= $it.length,
				        firstItem		= 0,
				        autoInterval	= null,
				        direction		= (opts.direction == 'up' || opts.direction == 'left') ? 'next' : 'prev';

			        if ( typeof( opts.items ) != 'object')	opts.items			= { visible: opts.items };
			        if (		!opts.items.width)			opts.items.width	= $it.outerWidth(true);
			        if (		!opts.items.height)			opts.items.height	= $it.outerHeight(true);

        /* TEMP */	if (opts.visibleItems) opts.items.visible = opts.visibleItems;

			        if (typeof(	opts.scroll.duration) != 'number') 	opts.scroll.duration 	= 500;
			        if (		opts.scroll.items == null) 			opts.scroll.items 		= opts.items.visible;

			        opts.auto		= $.fn.carouFredSel.getNaviObject(opts.auto, false, true);
			        opts.prev		= $.fn.carouFredSel.getNaviObject(opts.prev);
			        opts.next		= $.fn.carouFredSel.getNaviObject(opts.next);
			        opts.pagination	= $.fn.carouFredSel.getNaviObject(opts.pagination, true);

			        opts.auto 		= $.extend({}, 	opts.scroll,	opts.auto);
			        opts.prev 		= $.extend({}, 	opts.scroll,	opts.prev);
			        opts.next 		= $.extend({}, 	opts.scroll,	opts.next);
			        opts.pagination	= $.extend({}, 	opts.scroll,	opts.pagination);

			        if (typeof(	opts.pagination.anchorBuilder)	!= 'function')			opts.pagination.anchorBuilder 	= $.fn.carouFredSel.pageAnchorBuilder;
			        if (typeof(	opts.pagination.keys) 			!= 'boolean')			opts.pagination.keys 			= false;
			        if (typeof(	opts.auto.play) 				!= 'boolean')			opts.auto.play 					= true;
			        if (typeof(	opts.auto.nap)		 			!= 'boolean')			opts.auto.nap 					= true;
			        if (typeof(	opts.auto.delay)				!= 'number')			opts.auto.delay					= 0;
			        if (typeof(	opts.auto.pauseDuration)		!= 'number')			opts.auto.pauseDuration			= opts.auto.duration * 6;
			        if (		opts.auto.pauseDuration 		== 	opts.auto.duration) opts.auto.duration -= 10;

			        opts.prev.name 			= 'prev';
			        opts.next.name 			= 'next';
			        opts.pagination.name	= 'pagination';

			        $ul.css({
				        position	: 'absolute'
			        });
			        $wr.css({ 
				        position	: 'relative',
				        overflow	: 'hidden'
			        });
			        var sizes = $.fn.carouFredSel.getSizes(opts, $it.filter(':lt('+opts.items.visible+')'), true);
			        $wr.css(sizes[0], sizes[1])
				        .css(sizes[2], sizes[3]);
        			
			        var sizes = $.fn.carouFredSel.getSizes(opts, $it);
			        $ul.css(sizes[0], sizes[1] * 2)
				        .css(sizes[2], sizes[3]);

			        $ul.bind('pause', function() {
					        if (autoInterval != null) {
						        clearTimeout(autoInterval);
					        }
				        })
				        .bind('play', function(e, d, f) {
					        if (opts.auto.play) {
						        if (typeof(d) == 'undefined') 	d = direction;
						        if (typeof(f) == 'undefined') 	f = 0;

						        autoInterval = setTimeout(function() {
							        if ($ul.is(':animated')) 	$ul.trigger('pause').trigger('play', d);	//	still animating, wait
							        else 						$ul.trigger(d, opts.auto);					//	scroll
						        }, opts.auto.pauseDuration + f);
					        }
				        })
				        .bind('prev', function(e, sliderObj, numItems) {
					        if ($ul.is(':animated')) return;
					        if (opts.items.visible >= totalItems) {
						        $.fn.carouFredSel.log('Not enough items: not scrolling');
						        return;
					        }

					        if (typeof(sliderObj) == 'number')	numItems  	= sliderObj;
					        if (typeof(sliderObj) != 'object')	sliderObj 	= opts.prev;
					        if (typeof(numItems)  != 'number')	numItems 	= sliderObj.items;

					        if (typeof(numItems)  != 'number') {
						        $.fn.carouFredSel.log('Not a valid number.');
						        return;
					        }

					        $ul.find('> *:gt('+(totalItems-numItems-1)+')').prependTo($ul);

					        if (totalItems < opts.items.visible + numItems) {
						        $ul.find('> *:lt('+((opts.items.visible + numItems)-totalItems)+')').clone(true).appendTo($ul);
					        }

						        firstItem -= numItems;
					        if (firstItem < 0) firstItem += totalItems;

					        var items = $.fn.carouFredSel.getCurrentItems($ul, opts, numItems),
						        sizes = $.fn.carouFredSel.getSizes(opts, items[0].filter(':lt('+numItems+')')),
						        wrsiz = $.fn.carouFredSel.getSizes(opts, items[0], true);

					        var ani = {},
						        wra = {},
						        dur = (sliderObj.duration == 'auto') ? opts.scroll.duration / opts.scroll.items * numItems : sliderObj.duration;

					        ani[sizes[4]] = 0;
					        wra[sizes[0]] =  wrsiz[1];
					        wra[sizes[2]] =  wrsiz[3];

					        if (sliderObj.onBefore) {
						        sliderObj.onBefore(items[1], items[0], sliderObj.name);
					        }
        					
					        $wr.animate(wra, {
						        duration: dur,
						        easing	: sliderObj.easing
					        });
					        $ul
						        .data('numItems', 	numItems)
						        .data('sliderObj', 	sliderObj)
						        .data('oldItems', 	items[1])
						        .data('newItems', 	items[0])
						        .css(sizes[4], -sizes[1])
						        .animate(ani, { 
							        duration: dur,
							        easing	: sliderObj.easing,
							        complete: function() {
								        if (totalItems < opts.items.visible + $ul.data('numItems')) {
									        $ul.find('> *:gt('+(totalItems-1)+')').remove();
								        }
								        if ($ul.data('sliderObj').onAfter) {
									        $ul.data('sliderObj').onAfter($ul.data('oldItems'), $ul.data('newItems'), $ul.data('sliderObj').name);
								        }
							        }
						        });

					        //	auto-play
					        $ul.trigger('updatePageStatus')
						        .trigger('pause').trigger('play', 'prev');					
				        })
				        .bind('next', function(e, sliderObj, numItems) {
					        if ($ul.is(':animated')) return;
					        if (opts.items.visible >= totalItems) {
						        $.fn.carouFredSel.log('Not enough items: not scrolling');
						        return;
					        }

					        if (typeof(sliderObj) == 'number')	numItems  	= sliderObj;
					        if (typeof(sliderObj) != 'object')	sliderObj 	= opts.next;
					        if (typeof(numItems)  != 'number')	numItems 	= sliderObj.items;

					        if (typeof(numItems) != 'number') {
						        $.fn.carouFredSel.log('Not a valid number.');
						        return;
					        }
					        if (totalItems < opts.items.visible + numItems) {
						        $ul.find('> *:lt('+((opts.items.visible + numItems)-totalItems)+')').clone(true).appendTo($ul);
					        }

						        firstItem += numItems;
					        if (firstItem >= totalItems) firstItem -= totalItems;

					        var items = $.fn.carouFredSel.getCurrentItems($ul, opts, numItems),
						        sizes = $.fn.carouFredSel.getSizes(opts, items[0].filter(':lt('+numItems+')')),
						        wrsiz = $.fn.carouFredSel.getSizes(opts, items[1], true);

					        var ani = {},
						        wra = {},
						        dur = (sliderObj.duration == 'auto') ? opts.scroll.duration / opts.scroll.items * numItems : sliderObj.duration;

					        ani[sizes[4]] = -sizes[1];
					        wra[sizes[0]] =  wrsiz[1];
					        wra[sizes[2]] =  wrsiz[3];

					        if (sliderObj.onBefore) {
						        sliderObj.onBefore(items[0], items[1], sliderObj.name);
					        }

					        $wr.animate(wra, {
						        duration: dur,
						        easing	: sliderObj.easing
					        });
					        $ul
						        .data('numItems', 	numItems)
						        .data('sliderObj', 	sliderObj)
						        .data('oldItems', 	items[0])
						        .data('newItems', 	items[1])
						        .animate(ani, { 
							        duration: dur,
							        easing	: sliderObj.easing,
							        complete: function() {
								        if ($ul.data('sliderObj').onAfter) {
									        $ul.data('sliderObj').onAfter($ul.data('oldItems'), $ul.data('newItems'), $ul.data('sliderObj').name);
								        }
								        if (totalItems < opts.items.visible + $ul.data('numItems')) {
									        $ul.find('> *:gt('+(totalItems-1)+')').remove();
								        }
								        $ul.css(sizes[4], 0).find('> *:lt('+$ul.data('numItems')+')').appendTo($ul);
							        }
						        });

					        //	auto-play
					        $ul.trigger('updatePageStatus')
						        .trigger('pause').trigger('play', 'next');
				        })
				        .bind('scrollTo', function(e, n, d, o) {
					        if ($ul.is(':animated')) return;

						         if (typeof(n) == 'string') n = parseInt(n);
						         if (typeof(n) == 'object') n = $ul.find('> *').index(n);
					        else if (typeof(n) == 'number') {
						        n += -firstItem + totalItems;
						        if (n >= totalItems) n -= totalItems;
					        }
        					
					        if (typeof(n) != 'number' || n == -1) {
						        $.fn.carouFredSel.log('Not a valid number.');
						        return;
					        }

					        if (typeof(d) == 'string') d = parseInt(d);
					        if (typeof(d) != 'number') d = 0;

					        if (typeof(o) != 'object') o = false;

					        n += d;
					        if (n < 0) 				n += totalItems;
					        if (n >= totalItems)	n -= totalItems;
					        if (n == 0) return;

					        if (n < totalItems / 2) $ul.trigger('next', [o, n]);
					        else					$ul.trigger('prev', [o, totalItems-n]);
				        })
				        .bind('slideTo', function(e, n, d, o) {
					        $ul.trigger('scrollTo', [n, d, o]);
				        })
				        .bind('insertItem', function(e, i, n) {
					        if (typeof(i) == 'string') i = $(i);
					        if (typeof(i) != 'object' ||
						        typeof(i.jquery) == 'undefined' ||
						        i.length == 0
					        ) {
						        $.fn.carouFredSel.log('Not a valid object.');
						        return;
					        }

					        if (typeof(n) == 'undefined')	n = 'after';
					        if (typeof(n) == 'number') 		n = n-1;
					        if (typeof(n) == 'string')	{
							         if (n == 'before') 	n = totalItems-1;
						        else if (n == 'after')		n = opts.items.visible - 1;
						        else if (n == 'end') 		n = totalItems-firstItem-1;
						        else 						n = $(n);
					        }
					        if (typeof(n) == 'object')		n = $ul.find('> *').index(n)-1;
					        if (typeof(n) != 'number') {
						        $.fn.carouFredSel.log('Not a valid number.');
						        return;
					        }

					        var nulItem = totalItems - firstItem;
					        if (nulItem >= totalItems) nulItem -= totalItems;
					        if (n >= nulItem && nulItem > 0) {
						        firstItem += i.length;
					        }

					        var $itms = $ul.find('> *');
					        if ($itms.length < 2) {
						        if (n == -1)	$ul.prepend(i);
						        else			$ul.append(i);
					        } else {
						        if (n == -1) 	$itms.filter(':nth(0)').before(i);
						        else			$itms.filter(':nth('+n+')').after(i);
					        }

					        $it 		= $ul.find('> *');
					        totalItems 	= $it.length;

					        var sizes = $.fn.carouFredSel.getSizes(opts, $it);
					        $ul.css(sizes[0], sizes[1] * 2)
						        .css(sizes[2], sizes[3])
						        .trigger('updatePageStatus', true);
				        })
				        .bind('removeItem', function(e, i) {
					        if (typeof(i) == 'object' &&
						        typeof(i.jquery) == 'undefined') 	i = $(i);
					        if (typeof(i) == 'string')				i = $(i);
					        if (typeof(i) == 'number')				i = $ul.find('> *:nth('+i+')');
        					
					        if (typeof(i) != 'object' ||
						        typeof(i.jquery) == 'undefined' ||
						        i.length == 0
					        ) {
						        $.fn.carouFredSel.log('Not a valid object.');
						        return;
					        }

					        var n = $ul.find('> *').index(i);
					        var nulItem = totalItems - firstItem;
					        if (nulItem >= totalItems) nulItem -= totalItems;
					        if (n >= nulItem && nulItem > 0)	firstItem -= i.length;
					        else if (nulItem - i.length == 0)	firstItem = 0;

					        i.remove();

					        $it 		= $ul.find('> *');
					        totalItems 	= $it.length;

					        var sizes = $.fn.carouFredSel.getSizes(opts, $it);
					        $ul.css(sizes[0], sizes[1] * 2)
						        .css(sizes[2], sizes[3])
						        .trigger('updatePageStatus', true);
				        })
				        .bind('updatePageStatus', function(e, bpa) {
					        if (opts.pagination.container == null ||
						        opts.pagination.container.length == 0) return false;

					        if (typeof(bpa) == 'boolean' && bpa) {
						        opts.pagination.container.find('> *').remove();
						        for (var a = 0; a < Math.ceil(totalItems/opts.items.visible); a++) {
							        opts.pagination.container.append(opts.pagination.anchorBuilder(a+1));
						        }
						        opts.pagination.container.find('> *').each(function(a) {
							        $(this).unbind('click').click(function() {
								        $ul.trigger('scrollTo', [a * opts.items.visible, 0, opts.pagination]);;
								        return false;
							        });
						        });
					        }

					        var nr = Math.round(firstItem / opts.items.visible);
					        opts.pagination.container.find('> *')
						        .removeClass('selected')
						        .filter(':nth('+nr+')').addClass('selected');
				        });

			        if (opts.auto.pauseOnHover && opts.auto.play) {
				        $ul.hover(
					        function() { $ul.trigger('pause'); },
					        function() { $ul.trigger('play', direction); }
				        );
			        }

			        //	via prev-button
			        if (opts.prev.button != null && opts.prev.button.length) {
				        opts.prev.button.click(function() {
					        $ul.trigger('prev');
					        return false;
				        });
				        if (opts.prev.pauseOnHover && opts.auto.play) {
					        opts.prev.button.hover(
						        function() { $ul.trigger('pause'); },
						        function() { $ul.trigger('play', direction); }
					        );
				        }
			        }

			        //	via next-button
			        if (opts.next.button != null && opts.next.button.length) {
				        opts.next.button.click(function() {
					        $ul.trigger('next');
					        return false;
				        });
				        if (opts.next.pauseOnHover && opts.auto.play) {
					        opts.next.button.hover(
						        function() { $ul.trigger('pause'); },
						        function() { $ul.trigger('play', direction); }
					        );
				        }
			        }

			        //	via pagination
			        if (opts.pagination.container != null && opts.pagination.container.length) {
				        $ul.trigger('updatePageStatus', true);
				        if (opts.pagination.pauseOnHover && opts.auto.play) {
					        opts.pagination.container.hover(
						        function() { $ul.trigger('pause'); },
						        function() { $ul.trigger('play', direction); }
					        );
				        }
			        }

			        //	via keyboard
			        if (opts.next.key || opts.prev.key) {
				        $(document).keyup(function(e) {
					        var k = e.keyCode;
					        if (k == opts.next.key)	$ul.trigger('next');
					        if (k == opts.prev.key)	$ul.trigger('prev');
				        });
			        }
			        if (opts.pagination.keys) {
				        $(document).keyup(function(e) {
					        var k = e.keyCode;
					        if (k >= 49 && k < 58) {
						        k = (k - 49) * opts.items.visible;
						        if (k <= totalItems) {
							        $ul.trigger('scrollTo', [k, 0, opts.pagination]);
						        }
					        }
				        });
			        }

			        //	via auto-play
			        if (opts.auto.play) {
				        $ul.trigger('play', [direction, opts.auto.delay]);
				        if ($.fn.nap && opts.auto.nap) {
					        $ul.nap('pause', 'play');
				        }
			        }
		        });
	        }

	        $.fn.carouFredSel.defaults = {
		        width				: null,
		        height				: null,
		        items : {
			        visible			: 5
		        },
		        direction			: 'left',
		        scroll : {
			        items				: null,
			        easing				: 'swing',
			        duration			: null,
			        pauseOnHover		: false,
			        onBefore			: null,
			        onAfter				: null
		        }
	        };
	        $.fn.carouFredSel.getKeyCode = function(string) {
		        if (string == 'right')	return 39;
		        if (string == 'left') 	return 37;
		        if (string == 'up')		return 38;
		        if (string == 'down')	return 40;
		        return -1;
	        };
	        $.fn.carouFredSel.getNaviObject = function(obj, pagi, auto) {
		        if (typeof(pagi) != 'boolean')	pagi = false;
		        if (typeof(auto) != 'boolean')	auto = false;

		        if (typeof(obj) == 'undefined') 			obj  = {};
		        if (typeof(obj) == 'string') {
			        var temp = $.fn.carouFredSel.getKeyCode(obj);
			        if (temp == -1)							obj = $(obj);
			        else									obj = temp;
		        }

		        if (pagi) {
			        if (typeof(obj.jquery) != 'undefined')	obj = { container: obj };
			        if (typeof(obj) == 'boolean')			obj = { keys: obj };
			        if (typeof(obj.container) == 'string')	obj.container = $(obj.container);

		        } else if (auto) {
			        if (typeof(obj) == 'boolean')			obj = { play: obj };
			        if (typeof(obj) == 'number')			obj = { pauseDuration: obj };

		        } else {
			        if (typeof(obj.jquery) != 'undefined')	obj = { button: obj };
			        if (typeof(obj) == 'number')			obj = { key: obj };
			        if (typeof(obj.button) == 'string')		obj.button = $(obj.button);
			        if (typeof(obj.key) == 'string')		obj.key = $.fn.carouFredSel.getKeyCode(obj.key);
		        }
		        return obj;
	        };
	        $.fn.carouFredSel.getCurrentItems = function($u, o, n) {
		        var oi = $u.find('> *:lt('+o.items.visible+')'),
			        ni = $u.find('> *:lt('+(o.items.visible + n)+'):gt('+(n-1)+')');

		        return [oi, ni];
	        };
	        $.fn.carouFredSel.log = function(msg) {
		        try { console.log('carouFredSel: '+msg); } catch(err) {}
	        };
	        $.fn.carouFredSel.pageAnchorBuilder = function(nr) {
		        return '<a href="#"><span>'+nr+'</span></a>';
	        };

	        $.fn.carouFredSel.getSizes = function(o, $i, wrap) {
		        if (typeof(wrap) != 'boolean') wrap = false;
		        var SZ = (o.direction == 'right' || o.direction == 'left') 
			        ? ['width', 'outerWidth', 'height', 'outerHeight', 'left']
			        : ['height', 'outerHeight', 'width', 'outerWidth', 'top'];

		        var s1 = 0,
			        s2 = 0;
        		
			         if (wrap && typeof(o[SZ[0]]) 		== 'number') 	s1 = o[SZ[0]];
		        else if (		 typeof(o.items[SZ[0]]) == 'number')	s1 = o.items[SZ[0]] * $i.length;
		        else 													s1 = $.fn.carouFredSel.getSizeTotal($i, SZ[1]);
        		
			         if (wrap && typeof(o[SZ[2]]) 		== 'number') 	s2 = o[SZ[2]];
		        else if (		 typeof(o.items[SZ[2]]) == 'number') 	s2 = o.items[SZ[2]];
		        else 													s2 = $.fn.carouFredSel.getSizeMax($i, SZ[3]);
		        return [SZ[0], s1, SZ[2], s2, SZ[4]];
	        };
	        $.fn.carouFredSel.getSizeTotal = function($i, sz) {
		        var s = 0;
		        $i.each(function() {
			        s += $(this)[sz](true);
		        });
		        return s;
	        }
	        $.fn.carouFredSel.getSizeMax = function($i, sz) {
		        var s = 0,
			        m = 0;
		        $i.each(function() {
			        m = $(this)[sz](true);
			        if (s < m) s = m;
		        });
		        return s;
	        }

        	
        })(jQuery);