/**
 * @license 
 * jQuery Tools 1.2.1 Scrollable - New wave UI design
 * 
 * NO COPYRIGHTS OR LICENSES. DO WHAT YOU LIKE.
 * 
 * http://flowplayer.org/tools/scrollable.html
 *
 * Since: March 2008
 * Date:    Tue May 11 09:22:32 2010 +0000 
 */
(function($) { 

	// static constructs
	$.tools = $.tools || {version: '1.2.1'};
	
	$.tools.scrollable = {
		
		conf: {	
			activeClass: 'active',
			circular: false,
			clonedClass: 'cloned',
			disabledClass: 'disabled',
			easing: 'swing',
			initialIndex: 0,
			item: null,
			items: '.items',
			keyboard: true,
			mousewheel: false,
			next: '.next',   
			prev: '.prev', 
			speed: 400,
			vertical: false,
			wheelSpeed: 0
		} 
	};
					
	// get hidden element's width or height even though it's hidden
	function dim(el, key) {
		var v = parseInt(el.css(key), 10);
		if (v) { return v; }
		var s = el[0].currentStyle; 
		return s && s.width && parseInt(s.width, 10);	
	}

	function find(root, query) { 
		var el = $(query);
		return el.length < 2 ? el : root.parent().find(query);
	}
	
	var current;		
	
	// constructor
	function Scrollable(root, conf) {   
		
		// current instance
		var self = this, 
			 fire = root.add(self),
			 itemWrap = root.children(),
			 index = 0,
			 vertical = conf.vertical;
				
		if (!current) { current = self; } 
		if (itemWrap.length > 1) { itemWrap = $(conf.items, root); }
		
		// methods
		$.extend(self, {
				
			getConf: function() {
				return conf;	
			},			
			
			getIndex: function() {
				return index;	
			}, 

			getSize: function() {
				return self.getItems().size();	
			},

			getNaviButtons: function() {
				return prev.add(next);	
			},
			
			getRoot: function() {
				return root;	
			},
			
			getItemWrap: function() {
				return itemWrap;	
			},
			
			getItems: function() {
				return itemWrap.children(conf.item).not("." + conf.clonedClass);	
			},
							
			move: function(offset, time) {
				return self.seekTo(index + offset, time);
			},
			
			next: function(time) {
				return self.move(1, time);	
			},
			
			prev: function(time) {
				return self.move(-1, time);	
			},
			
			begin: function(time) {
				return self.seekTo(0, time);	
			},
			
			end: function(time) {
				return self.seekTo(self.getSize() -1, time);	
			},	
			
			focus: function() {
				current = self;
				return self;
			},
			
			addItem: function(item) {
				item = $(item);
				
				if (!conf.circular)  {
					itemWrap.append(item);
				} else {
					$(".cloned:last").before(item);
					$(".cloned:first").replaceWith(item.clone().addClass(conf.clonedClass)); 						
				}
				
				fire.trigger("onAddItem", [item]);
				return self;
			},
			
			
			/* all seeking functions depend on this */		
			seekTo: function(i, time, fn) {				
				
				// check that index is sane
				if (!conf.circular && i < 0 || i > self.getSize()) { return self; }
				
				var item = i;
			
				if (i.jquery) {
					i = self.getItems().index(i);	
				} else {
					item = self.getItems().eq(i);
				}  
				
				// onBeforeSeek
				var e = $.Event("onBeforeSeek"); 
				if (!fn) {
					fire.trigger(e, [i, time]);				
					if (e.isDefaultPrevented() || !item.length) { return self; }			
				}  
	
				var props = vertical ? {top: -item.position().top} : {left: -item.position().left};  
				
				index = i;
				current = self;  
				
				itemWrap.animate(props, time, conf.easing, fn || function() { 
					fire.trigger("onSeek", [i]);		
				});	 
				
				return self; 
			}					
			
		});
				
		// callbacks	
		$.each(['onBeforeSeek', 'onSeek', 'onAddItem'], function(i, name) {
				
			// configuration
			if ($.isFunction(conf[name])) { 
				$(self).bind(name, conf[name]); 
			}
			
			self[name] = function(fn) {
				$(self).bind(name, fn);
				return self;
			};
		});  
		
		// circular loop
		if (conf.circular) {
			
			var cloned1 = self.getItems().slice(-1).clone().prependTo(itemWrap),
				 cloned2 = self.getItems().eq(1).clone().appendTo(itemWrap);
				
			cloned1.add(cloned2).addClass(conf.clonedClass);
			
			self.onBeforeSeek(function(e, i, time) {

				if (e.isDefaultPrevented()) { return; }
				
				/*
					1. animate to the clone without event triggering
					2. seek to correct position with 0 speed
				*/
				if (i == -1) {
					self.seekTo(cloned1, time, function()  {
						self.end(0);		
					});          
					return e.preventDefault();
					
				} else if (i == self.getSize()) {
					self.seekTo(cloned2, time, function()  {
						self.begin(0);		
					});	
				}
				
			});
			
			// seek over the cloned item
			self.seekTo(0, 0);
		}
		
		// next/prev buttons
		var prev = find(root, conf.prev).click(function() { self.prev(); }),
			 next = find(root, conf.next).click(function() { self.next(); });	
		
		if (!conf.circular && self.getSize() > 1) {
			
			self.onBeforeSeek(function(e, i) {
				prev.toggleClass(conf.disabledClass, i <= 0);
				next.toggleClass(conf.disabledClass, i >= self.getSize() -1);
			}); 
		}
			
		// mousewheel support
		if (conf.mousewheel && $.fn.mousewheel) {
			root.mousewheel(function(e, delta)  {
				if (conf.mousewheel) {
					self.move(delta < 0 ? 1 : -1, conf.wheelSpeed || 50);
					return false;
				}
			});			
		}
		
		if (conf.keyboard)  {
			
			$(document).bind("keydown.scrollable", function(evt) {

				// skip certain conditions
				if (!conf.keyboard || evt.altKey || evt.ctrlKey || $(evt.target).is(":input")) { return; }
				
				// does this instance have focus?
				if (conf.keyboard != 'static' && current != self) { return; }
					
				var key = evt.keyCode;
			
				if (vertical && (key == 38 || key == 40)) {
					self.move(key == 38 ? -1 : 1);
					return evt.preventDefault();
				}
				
				if (!vertical && (key == 37 || key == 39)) {					
					self.move(key == 37 ? -1 : 1);
					return evt.preventDefault();
				}	  
				
			});  
		}
		
		// initial index
		$(self).trigger("onBeforeSeek", [conf.initialIndex]);
	} 

		
	// jQuery plugin implementation
	$.fn.scrollable = function(conf) { 
			
		// already constructed --> return API
		var el = this.data("scrollable");
		if (el) { return el; }		 

		conf = $.extend({}, $.tools.scrollable.conf, conf); 
		
		this.each(function() {			
			el = new Scrollable($(this), conf);
			$(this).data("scrollable", el);	
		});
		
		return conf.api ? el: this; 
		
	};
			
	
})(jQuery);
/**
 * @license 
 * jQuery Tools 1.2.1 / Scrollable Autoscroll
 * 
 * NO COPYRIGHTS OR LICENSES. DO WHAT YOU LIKE.
 * 
 * http://flowplayer.org/tools/scrollable/autoscroll.html
 *
 * Since: September 2009
 * Date:    Tue May 11 09:22:32 2010 +0000 
 */
(function($) {		

	var t = $.tools.scrollable; 
	
	t.autoscroll = {
		
		conf: {
			autoplay: true,
			interval: 3000,
			autopause: true
		}
	};	
	
	// jQuery plugin implementation
	$.fn.autoscroll = function(conf) { 

		if (typeof conf == 'number') {
			conf = {interval: conf};	
		}
		
		var opts = $.extend({}, t.autoscroll.conf, conf), ret;
		
		this.each(function() {		
				
			var api = $(this).data("scrollable");			
			if (api) { ret = api; }
			
			// interval stuff
			var timer, hoverTimer, stopped = true;
	
			api.play = function() {
	
				// do not start additional timer if already exists
				if (timer) { return; }
				
				stopped = false;
				
				// construct new timer
				timer = setInterval(function() { 
					api.next();				
				}, opts.interval);
				
				api.next();
			};	

			api.pause = function() {
				timer = clearInterval(timer);	
			};
			
			// when stopped - mouseover won't restart 
			api.stop = function() {
				api.pause();
				stopped = true;	
			};
		
			/* when mouse enters, autoscroll stops */
			if (opts.autopause) {
				api.getRoot().add(api.getNaviButtons()).hover(function() {			
					api.pause();
					clearInterval(hoverTimer);
					
				}, function() {
					if (!stopped) {						
						hoverTimer = setTimeout(api.play, opts.interval);						
					}
				});
			}			
			
			if (opts.autoplay) {
				setTimeout(api.play, opts.interval);				
			}

		});
		
		return opts.api ? ret : this;
		
	}; 
	
})(jQuery);		
/**
 * @license 
 * jQuery Tools 1.2.1 / Scrollable Navigator
 * 
 * NO COPYRIGHTS OR LICENSES. DO WHAT YOU LIKE.
 *
 * http://flowplayer.org/tools/scrollable/navigator.html
 *
 * Since: September 2009
 * Date:    Tue May 11 09:22:32 2010 +0000 
 */
(function($) {
		
	var t = $.tools.scrollable; 
	
	t.navigator = {
		
		conf: {
			navi: '.navi',
			naviItem: null,		
			activeClass: 'active',
			indexed: false,
			idPrefix: null,
			
			// 1.2
			history: false
		}
	};		
	
	function find(root, query) {
		var el = $(query);
		return el.length < 2 ? el : root.parent().find(query);
	}
	
	// jQuery plugin implementation
	$.fn.navigator = function(conf) {

		// configuration
		if (typeof conf == 'string') { conf = {navi: conf}; } 
		conf = $.extend({}, t.navigator.conf, conf);
		
		var ret;
		
		this.each(function() {
				
			var api = $(this).data("scrollable"),
				 navi = find(api.getRoot(), conf.navi), 
				 buttons = api.getNaviButtons(),
				 cls = conf.activeClass,
				 history = conf.history && $.fn.history;

			// @deprecated stuff
			if (api) { ret = api; }
			
			api.getNaviButtons = function() {
				return buttons.add(navi);	
			}; 
			
			
			function doClick(el, i, e) {
				api.seekTo(i);				
				if (history) {
					if (location.hash) {
						location.hash = el.attr("href").replace("#", "");	
					}
				} else  {
					return e.preventDefault();			
				}
			}
			
			function els() {
				return navi.find(conf.naviItem || '> *');	
			}
			
			function addItem(i) {  
				
				var item = $("<" + (conf.naviItem || 'a') + "/>").click(function(e)  {
					doClick($(this), i, e);
					
				}).attr("href", "#" + i);
				
				// index number / id attribute
				if (i === 0) {  item.addClass(cls); }
				if (conf.indexed)  { item.text(i + 1); }
				if (conf.idPrefix) { item.attr("id", conf.idPrefix + i); } 
				
				return item.appendTo(navi);
			}

			
			// generate navigator
			if (els().length) {
				els().each(function(i) { 
					$(this).click(function(e)  {
						doClick($(this), i, e);		
					});
				});
				
			} else {
				$.each(api.getItems(), function(i) {
					addItem(i); 
				});
			}   
			
			// activate correct entry
			api.onBeforeSeek(function(e, index) {
				var el = els().eq(index);
				if (!e.isDefaultPrevented() && el.length) {			
					els().removeClass(cls).eq(index).addClass(cls);
				}
			}); 
			
			function doHistory(evt, hash) {
				var el = els().eq(hash.replace("#", ""));
				if (!el.length) {
					el = els().filter("[href=" + hash + "]");	
				}
				el.click();		
			}
			
			// new item being added
			api.onAddItem(function(e, item) {
				item = addItem(api.getItems().index(item)); 
				if (history)  { item.history(doHistory); }
			});
			
			if (history) { els().history(doHistory); }
			
		});		
		
		return conf.api ? ret : this;
		
	};
	
})(jQuery);