/*
 * jQuery UI @VERSION
 *
 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
;(function($) {

/** jQuery core modifications and additions **/

var _remove = $.fn.remove;
$.fn.remove = function() {
	$("*", this).add(this).triggerHandler("remove");
	return _remove.apply(this, arguments );
};

function isVisible(element) {
	function checkStyles(element) {
		var style = element.style;
		return (style.display != 'none' && style.visibility != 'hidden');
	}
	
	var visible = checkStyles(element);
	
	(visible && $.each($.dir(element, 'parentNode'), function() {
		return (visible = checkStyles(this));
	}));
	
	return visible;
}

$.extend($.expr[':'], {
	data: function(a, i, m) {
		return $.data(a, m[3]);
	},
	
	// TODO: add support for object, area
	tabbable: function(a, i, m) {
		var nodeName = a.nodeName.toLowerCase();
		
		return (
			// in tab order
			a.tabIndex >= 0 &&
			
			( // filter node types that participate in the tab order
				
				// anchor tag
				('a' == nodeName && a.href) ||
				
				// enabled form element
				(/input|select|textarea|button/.test(nodeName) &&
					'hidden' != a.type && !a.disabled)
			) &&
			
			// visible on page
			isVisible(a)
		);
	}
});

$.keyCode = {
	BACKSPACE: 8,
	CAPS_LOCK: 20,
	COMMA: 188,
	CONTROL: 17,
	DELETE: 46,
	DOWN: 40,
	END: 35,
	ENTER: 13,
	ESCAPE: 27,
	HOME: 36,
	INSERT: 45,
	LEFT: 37,
	NUMPAD_ADD: 107,
	NUMPAD_DECIMAL: 110,
	NUMPAD_DIVIDE: 111,
	NUMPAD_ENTER: 108,
	NUMPAD_MULTIPLY: 106,
	NUMPAD_SUBTRACT: 109,
	PAGE_DOWN: 34,
	PAGE_UP: 33,
	PERIOD: 190,
	RIGHT: 39,
	SHIFT: 16,
	SPACE: 32,
	TAB: 9,
	UP: 38
};

// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
// created by Scott González and Jörn Zaefferer
function getter(namespace, plugin, method, args) {
	function getMethods(type) {
		var methods = $[namespace][plugin][type] || [];
		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
	}
	
	var methods = getMethods('getter');
	if (args.length == 1 && typeof args[0] == 'string') {
		methods = methods.concat(getMethods('getterSetter'));
	}
	return ($.inArray(method, methods) != -1);
}

$.widget = function(name, prototype) {
	var namespace = name.split(".")[0];
	name = name.split(".")[1];
	
	// create plugin method
	$.fn[name] = function(options) {
		var isMethodCall = (typeof options == 'string'),
			args = Array.prototype.slice.call(arguments, 1);
		
		// prevent calls to internal methods
		if (isMethodCall && options.substring(0, 1) == '_') {
			return this;
		}
		
		// handle getter methods
		if (isMethodCall && getter(namespace, name, options, args)) {
			var instance = $.data(this[0], name);
			return (instance ? instance[options].apply(instance, args)
				: undefined);
		}
		
		// handle initialization and non-getter methods
		return this.each(function() {
			var instance = $.data(this, name);
			
			// constructor
			(!instance && !isMethodCall &&
				$.data(this, name, new $[namespace][name](this, options)));
			
			// method call
			(instance && isMethodCall && $.isFunction(instance[options]) &&
				instance[options].apply(instance, args));
		});
	};
	
	// create widget constructor
	$[namespace][name] = function(element, options) {
		var self = this;
		
		this.widgetName = name;
		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
		this.widgetBaseClass = namespace + '-' + name;
		
		this.options = $.extend({},
			$.widget.defaults,
			$[namespace][name].defaults,
			$.metadata && $.metadata.get(element)[name],
			options);
		
		this.element = $(element)
			.bind('setData.' + name, function(e, key, value) {
				return self._setData(key, value);
			})
			.bind('getData.' + name, function(e, key) {
				return self._getData(key);
			})
			.bind('remove', function() {
				return self.destroy();
			});
		
		this._init();
	};
	
	// add widget prototype
	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
	
	// TODO: merge getter and getterSetter properties from widget prototype
	// and plugin prototype
	$[namespace][name].getterSetter = 'option';
};

$.widget.prototype = {
	_init: function() {},
	destroy: function() {
		this.element.removeData(this.widgetName);
	},
	
	option: function(key, value) {
		var options = key,
			self = this;
		
		if (typeof key == "string") {
			if (value === undefined) {
				return this._getData(key);
			}
			options = {};
			options[key] = value;
		}
		
		$.each(options, function(key, value) {
			self._setData(key, value);
		});
	},
	_getData: function(key) {
		return this.options[key];
	},
	_setData: function(key, value) {
		this.options[key] = value;
		
		if (key == 'disabled') {
			this.element[value ? 'addClass' : 'removeClass'](
				this.widgetBaseClass + '-disabled');
		}
	},
	
	enable: function() {
		this._setData('disabled', false);
	},
	disable: function() {
		this._setData('disabled', true);
	},
	
	_trigger: function(type, e, data) {
		var eventName = (type == this.widgetEventPrefix
			? type : this.widgetEventPrefix + type);
		e = e  || $.event.fix({ type: eventName, target: this.element[0] });
		return this.element.triggerHandler(eventName, [e, data], this.options[type]);
	}
};

$.widget.defaults = {
	disabled: false
};


/** jQuery UI core **/

$.ui = {
	plugin: {
		add: function(module, option, set) {
			var proto = $.ui[module].prototype;
			for(var i in set) {
				proto.plugins[i] = proto.plugins[i] || [];
				proto.plugins[i].push([option, set[i]]);
			}
		},
		call: function(instance, name, args) {
			var set = instance.plugins[name];
			if(!set) { return; }
			
			for (var i = 0; i < set.length; i++) {
				if (instance.options[set[i][0]]) {
					set[i][1].apply(instance.element, args);
				}
			}
		}	
	},
	cssCache: {},
	css: function(name) {
		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
		var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
		
		//if (!$.browser.safari)
			//tmp.appendTo('body'); 
		
		//Opera and Safari set width and height to 0px instead of auto
		//Safari returns rgba(0,0,0,0) when bgcolor is not set
		$.ui.cssCache[name] = !!(
			(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || 
			!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
		);
		try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}
		return $.ui.cssCache[name];
	},
	disableSelection: function(el) {
		return $(el)
			.attr('unselectable', 'on')
			.css('MozUserSelect', 'none')
			.bind('selectstart.ui', function() { return false; });
	},
	enableSelection: function(el) {
		return $(el)
			.attr('unselectable', 'off')
			.css('MozUserSelect', '')
			.unbind('selectstart.ui');
	},
	hasScroll: function(e, a) {
		
		//If overflow is hidden, the element might have extra content, but the user wants to hide it
		if ($(e).css('overflow') == 'hidden') { return false; }
		
		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
			has = false;
		
		if (e[scroll] > 0) { return true; }
		
		// TODO: determine which cases actually cause this to happen
		// if the element doesn't have the scroll set, see if it's possible to
		// set the scroll
		e[scroll] = 1;
		has = (e[scroll] > 0);
		e[scroll] = 0;
		return has;
	}
};


/** Mouse Interaction Plugin **/

$.ui.mouse = {
	_mouseInit: function() {
		var self = this;
	
		this.element.bind('mousedown.'+this.widgetName, function(e) {
			return self._mouseDown(e);
		});
		
		// Prevent text selection in IE
		if ($.browser.msie) {
			this._mouseUnselectable = this.element.attr('unselectable');
			this.element.attr('unselectable', 'on');
		}
		
		this.started = false;
	},
	
	// TODO: make sure destroying one instance of mouse doesn't mess with
	// other instances of mouse
	_mouseDestroy: function() {
		this.element.unbind('.'+this.widgetName);
		
		// Restore text selection in IE
		($.browser.msie
			&& this.element.attr('unselectable', this._mouseUnselectable));
	},
	
	_mouseDown: function(e) {
		// we may have missed mouseup (out of window)
		(this._mouseStarted && this._mouseUp(e));
		
		this._mouseDownEvent = e;
		
		var self = this,
			btnIsLeft = (e.which == 1),
			elIsCancel = (typeof this.options.cancel == "string" ? $(e.target).parents().add(e.target).filter(this.options.cancel).length : false);
		if (!btnIsLeft || elIsCancel || !this._mouseCapture(e)) {
			return true;
		}
		
		this.mouseDelayMet = !this.options.delay;
		if (!this.mouseDelayMet) {
			this._mouseDelayTimer = setTimeout(function() {
				self.mouseDelayMet = true;
			}, this.options.delay);
		}
		
		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
			this._mouseStarted = (this._mouseStart(e) !== false);
			if (!this._mouseStarted) {
				e.preventDefault();
				return true;
			}
		}
		
		// these delegates are required to keep context
		this._mouseMoveDelegate = function(e) {
			return self._mouseMove(e);
		};
		this._mouseUpDelegate = function(e) {
			return self._mouseUp(e);
		};
		$(document)
			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
		
		return false;
	},
	
	_mouseMove: function(e) {
		// IE mouseup check - mouseup happened when mouse was out of window
		if ($.browser.msie && !e.button) {
			return this._mouseUp(e);
		}
		
		if (this._mouseStarted) {
			this._mouseDrag(e);
			return false;
		}
		
		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
			this._mouseStarted =
				(this._mouseStart(this._mouseDownEvent, e) !== false);
			(this._mouseStarted ? this._mouseDrag(e) : this._mouseUp(e));
		}
		
		return !this._mouseStarted;
	},
	
	_mouseUp: function(e) {
		$(document)
			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
		
		if (this._mouseStarted) {
			this._mouseStarted = false;
			this._mouseStop(e);
		}
		
		return false;
	},
	
	_mouseDistanceMet: function(e) {
		return (Math.max(
				Math.abs(this._mouseDownEvent.pageX - e.pageX),
				Math.abs(this._mouseDownEvent.pageY - e.pageY)
			) >= this.options.distance
		);
	},
	
	_mouseDelayMet: function(e) {
		return this.mouseDelayMet;
	},
	
	// These are placeholder methods, to be overriden by extending plugin
	_mouseStart: function(e) {},
	_mouseDrag: function(e) {},
	_mouseStop: function(e) {},
	_mouseCapture: function(e) { return true; }
};

$.ui.mouse.defaults = {
	cancel: null,
	distance: 1,
	delay: 0
};

})(jQuery);



/*
 * jQuery UI Accordion @VERSION
 * 
 * Copyright (c) 2007, 2008 Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Accordion
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.accordion", {
	_init: function() {
		var options = this.options;
		
		if ( options.navigation ) {
			var current = this.element.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 = this.element.find(options.header);
		options.active = findActive(options.headers, options.active);
		
		// IE7-/Win - Extra vertical space in Lists fixed
		if ($.browser.msie) {
			this.element.find('a').css('zoom', '1');
		}
		
		if (!this.element.hasClass("ui-accordion")) {
			this.element.addClass("ui-accordion");
			$('<span class="ui-accordion-left"/>').insertBefore(options.headers);
			$('<span class="ui-accordion-right"/>').appendTo(options.headers);
			options.headers.addClass("ui-accordion-header").attr("tabindex", "0");
		}
		
		var maxHeight;
		if ( options.fillSpace ) {
			maxHeight = this.element.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 ) {
			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) {
			this.element.bind((options.event) + ".accordion", clickHandler);
		}
	},
	activate: function(index) {
		// call clickHandler with custom event
		clickHandler.call(this.element[0], {
			target: findActive( this.options.headers, index )[0]
		});
	},
	destroy: function() {
		this.options.headers.next().css("display", "");
		if ( this.options.fillSpace || this.options.autoHeight ) {
			this.options.headers.next().css("height", "");
		}
		$.removeData(this.element[0], "accordion");
		this.element.removeClass("ui-accordion").unbind(".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, "accordion")) {
		return;
	}
	
	var instance = $.data(this, "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: ""
		});
	}
	instance._trigger('change', null, options.data);
}

function toggle(toShow, toHide, data, clickedActive, down) {
	var options = $.data(this, "accordion").options;
	options.toShow = toShow;
	options.toHide = toHide;
	options.data = data;
	var complete = scopeCallback(completed, this);
	
	$.data(this, "accordion")._trigger("changestart", null, options.data); 
	
	// 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, "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 = {
				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
	// otherwise stick with the initial target
	clicked = $( clicked.parents(options.header)[0] || clicked );
	
	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 = {
			options: options,
			newHeader: clickedActive && !options.alwaysOpen ? $([]) : clicked,
			oldHeader: options.active,
			newContent: clickedActive && !options.alwaysOpen ? $([]) : 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
		? 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: true,
		animated: 'slide',
		event: "click",
		header: "a",
		autoHeight: true,
		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: 700
			});
		}
	}
});

})(jQuery);



/*
 * jQuery Easing v1.1.1 - http://gsgd.co.uk/sandbox/jquery.easing.php
 *
 * Uses the built in easing capabilities added in jQuery 1.1
 * to offer multiple easing options
 *
 * Copyright (c) 2007 George Smith
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */

jQuery.extend({
	easing: {
		easein: function(x, t, b, c, d) {
			return c*(t/=d)*t + b; // in
		},
		easeinout: function(x, t, b, c, d) {
			if (t < d/2) return 2*c*t*t/(d*d) + b;
			var ts = t - d/2;
			return -2*c*ts*ts/(d*d) + 2*c*ts/d + c/2 + b;		
		},
		easeout: function(x, t, b, c, d) {
			return -c*t*t/(d*d) + 2*c*t/d + b;
		},
		expoin: function(x, t, b, c, d) {
			var flip = 1;
			if (c < 0) {
				flip *= -1;
				c *= -1;
			}
			return flip * (Math.exp(Math.log(c)/d * t)) + b;		
		},
		expoout: function(x, t, b, c, d) {
			var flip = 1;
			if (c < 0) {
				flip *= -1;
				c *= -1;
			}
			return flip * (-Math.exp(-Math.log(c)/d * (t-d)) + c + 1) + b;
		},
		expoinout: function(x, t, b, c, d) {
			var flip = 1;
			if (c < 0) {
				flip *= -1;
				c *= -1;
			}
			if (t < d/2) return flip * (Math.exp(Math.log(c/2)/(d/2) * t)) + b;
			return flip * (-Math.exp(-2*Math.log(c/2)/d * (t-d)) + c + 1) + b;
		},
		bouncein: function(x, t, b, c, d) {
			return c - jQuery.easing['bounceout'](x, d-t, 0, c, d) + b;
		},
		bounceout: function(x, t, b, c, d) {
			if ((t/=d) < (1/2.75)) {
				return c*(7.5625*t*t) + b;
			} else if (t < (2/2.75)) {
				return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
			} else if (t < (2.5/2.75)) {
				return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
			} else {
				return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
			}
		},
		bounceinout: function(x, t, b, c, d) {
			if (t < d/2) return jQuery.easing['bouncein'] (x, t*2, 0, c, d) * .5 + b;
			return jQuery.easing['bounceout'] (x, t*2-d,0, c, d) * .5 + c*.5 + b;
		},
		elasin: function(x, t, b, c, d) {
			var s=1.70158;var p=0;var a=c;
			if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
			if (a < Math.abs(c)) { a=c; var s=p/4; }
			else var s = p/(2*Math.PI) * Math.asin (c/a);
			return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		},
		elasout: function(x, t, b, c, d) {
			var s=1.70158;var p=0;var a=c;
			if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
			if (a < Math.abs(c)) { a=c; var s=p/4; }
			else var s = p/(2*Math.PI) * Math.asin (c/a);
			return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
		},
		elasinout: function(x, t, b, c, d) {
			var s=1.70158;var p=0;var a=c;
			if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
			if (a < Math.abs(c)) { a=c; var s=p/4; }
			else var s = p/(2*Math.PI) * Math.asin (c/a);
			if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
			return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
		},
		backin: function(x, t, b, c, d) {
			var s=1.70158;
			return c*(t/=d)*t*((s+1)*t - s) + b;
		},
		backout: function(x, t, b, c, d) {
			var s=1.70158;
			return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
		},
		backinout: function(x, t, b, c, d) {
			var s=1.70158;
			if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
			return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
		},
		linear: function(x, t, b, c, d) {
			return c*t/d + b; //linear
		}
	}
});
