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Filename : jquery.qtip.js
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/*
 * qTip2 - Pretty powerful tooltips - v2.2.0
 * http://qtip2.com
 *
 * Copyright (c) 2013 Craig Michael Thompson
 * Released under the MIT, GPL licenses
 * http://jquery.org/license
 *
 * Date: Mon Dec 16 2013 07:15 EST-0500
 * Plugins: tips viewport
 * Styles: basic css3
 */
/*global window: false, jQuery: false, console: false, define: false */

/* Cache window, document, undefined */
(function( window, document, undefined ) {

// Uses AMD or browser globals to create a jQuery plugin.
(function( factory ) {
	"use strict";
	if(typeof define === 'function' && define.amd) {
		define(['jquery'], factory);
	}
	else if(jQuery && !jQuery.fn.qtip) {
		factory(jQuery);
	}
}
(function($) {
	"use strict"; // Enable ECMAScript "strict" operation for this function. See more: http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/

;// Munge the primitives - Paul Irish tip
var TRUE = true,
FALSE = false,
NULL = null,

// Common variables
X = 'x', Y = 'y',
WIDTH = 'width',
HEIGHT = 'height',

// Positioning sides
TOP = 'top',
LEFT = 'left',
BOTTOM = 'bottom',
RIGHT = 'right',
CENTER = 'center',

// Position adjustment types
FLIP = 'flip',
FLIPINVERT = 'flipinvert',
SHIFT = 'shift',

// Shortcut vars
QTIP, PROTOTYPE, CORNER, CHECKS,
PLUGINS = {},
NAMESPACE = 'qtip',
ATTR_HAS = 'data-hasqtip',
ATTR_ID = 'data-qtip-id',
WIDGET = ['ui-widget', 'ui-tooltip'],
SELECTOR = '.'+NAMESPACE,
INACTIVE_EVENTS = 'click dblclick mousedown mouseup mousemove mouseleave mouseenter'.split(' '),

CLASS_FIXED = NAMESPACE+'-fixed',
CLASS_DEFAULT = NAMESPACE + '-default',
CLASS_FOCUS = NAMESPACE + '-focus',
CLASS_HOVER = NAMESPACE + '-hover',
CLASS_DISABLED = NAMESPACE+'-disabled',

replaceSuffix = '_replacedByqTip',
oldtitle = 'oldtitle',
trackingBound,

// Browser detection
BROWSER = {
	/*
	 * IE version detection
	 *
	 * Adapted from: http://ajaxian.com/archives/attack-of-the-ie-conditional-comment
	 * Credit to James Padolsey for the original implemntation!
	 */
	ie: (function(){
		var v = 3, div = document.createElement('div');
		while ((div.innerHTML = '<!--[if gt IE '+(++v)+']><i></i><![endif]-->')) {
			if(!div.getElementsByTagName('i')[0]) { break; }
		}
		return v > 4 ? v : NaN;
	}()),
 
	/*
	 * iOS version detection
	 */
	iOS: parseFloat( 
		('' + (/CPU.*OS ([0-9_]{1,5})|(CPU like).*AppleWebKit.*Mobile/i.exec(navigator.userAgent) || [0,''])[1])
		.replace('undefined', '3_2').replace('_', '.').replace('_', '')
	) || FALSE
};

;function QTip(target, options, id, attr) {
	// Elements and ID
	this.id = id;
	this.target = target;
	this.tooltip = NULL;
	this.elements = { target: target };

	// Internal constructs
	this._id = NAMESPACE + '-' + id;
	this.timers = { img: {} };
	this.options = options;
	this.plugins = {};

	// Cache object
	this.cache = {
		event: {},
		target: $(),
		disabled: FALSE,
		attr: attr,
		onTooltip: FALSE,
		lastClass: ''
	};

	// Set the initial flags
	this.rendered = this.destroyed = this.disabled = this.waiting = 
		this.hiddenDuringWait = this.positioning = this.triggering = FALSE;
}
PROTOTYPE = QTip.prototype;

PROTOTYPE._when = function(deferreds) {
	return $.when.apply($, deferreds);
};

PROTOTYPE.render = function(show) {
	if(this.rendered || this.destroyed) { return this; } // If tooltip has already been rendered, exit

	var self = this,
		options = this.options,
		cache = this.cache,
		elements = this.elements,
		text = options.content.text,
		title = options.content.title,
		button = options.content.button,
		posOptions = options.position,
		namespace = '.'+this._id+' ',
		deferreds = [],
		tooltip;

	// Add ARIA attributes to target
	$.attr(this.target[0], 'aria-describedby', this._id);

	// Create tooltip element
	this.tooltip = elements.tooltip = tooltip = $('<div/>', {
		'id': this._id,
		'class': [ NAMESPACE, CLASS_DEFAULT, options.style.classes, NAMESPACE + '-pos-' + options.position.my.abbrev() ].join(' '),
		'width': options.style.width || '',
		'height': options.style.height || '',
		'tracking': posOptions.target === 'mouse' && posOptions.adjust.mouse,

		/* ARIA specific attributes */
		'role': 'alert',
		'aria-live': 'polite',
		'aria-atomic': FALSE,
		'aria-describedby': this._id + '-content',
		'aria-hidden': TRUE
	})
	.toggleClass(CLASS_DISABLED, this.disabled)
	.attr(ATTR_ID, this.id)
	.data(NAMESPACE, this)
	.appendTo(posOptions.container)
	.append(
		// Create content element
		elements.content = $('<div />', {
			'class': NAMESPACE + '-content',
			'id': this._id + '-content',
			'aria-atomic': TRUE
		})
	);

	// Set rendered flag and prevent redundant reposition calls for now
	this.rendered = -1;
	this.positioning = TRUE;

	// Create title...
	if(title) {
		this._createTitle();

		// Update title only if its not a callback (called in toggle if so)
		if(!$.isFunction(title)) {
			deferreds.push( this._updateTitle(title, FALSE) );
		}
	}

	// Create button
	if(button) { this._createButton(); }

	// Set proper rendered flag and update content if not a callback function (called in toggle)
	if(!$.isFunction(text)) {
		deferreds.push( this._updateContent(text, FALSE) );
	}
	this.rendered = TRUE;

	// Setup widget classes
	this._setWidget();

	// Initialize 'render' plugins
	$.each(PLUGINS, function(name) {
		var instance;
		if(this.initialize === 'render' && (instance = this(self))) {
			self.plugins[name] = instance;
		}
	});

	// Unassign initial events and assign proper events
	this._unassignEvents();
	this._assignEvents();

	// When deferreds have completed
	this._when(deferreds).then(function() {
		// tooltiprender event
		self._trigger('render');

		// Reset flags
		self.positioning = FALSE;

		// Show tooltip if not hidden during wait period
		if(!self.hiddenDuringWait && (options.show.ready || show)) {
			self.toggle(TRUE, cache.event, FALSE);
		}
		self.hiddenDuringWait = FALSE;
	});

	// Expose API
	QTIP.api[this.id] = this;

	return this;
};

PROTOTYPE.destroy = function(immediate) {
	// Set flag the signify destroy is taking place to plugins
	// and ensure it only gets destroyed once!
	if(this.destroyed) { return this.target; }

	function process() {
		if(this.destroyed) { return; }
		this.destroyed = TRUE;
		
		var target = this.target,
			title = target.attr(oldtitle);

		// Destroy tooltip if rendered
		if(this.rendered) {
			this.tooltip.stop(1,0).find('*').remove().end().remove();
		}

		// Destroy all plugins
		$.each(this.plugins, function(name) {
			this.destroy && this.destroy();
		});

		// Clear timers and remove bound events
		clearTimeout(this.timers.show);
		clearTimeout(this.timers.hide);
		this._unassignEvents();

		// Remove api object and ARIA attributes
		target.removeData(NAMESPACE)
			.removeAttr(ATTR_ID)
			.removeAttr(ATTR_HAS)
			.removeAttr('aria-describedby');

		// Reset old title attribute if removed
		if(this.options.suppress && title) {
			target.attr('title', title).removeAttr(oldtitle);
		}

		// Remove qTip events associated with this API
		this._unbind(target);

		// Remove ID from used id objects, and delete object references
		// for better garbage collection and leak protection
		this.options = this.elements = this.cache = this.timers = 
			this.plugins = this.mouse = NULL;

		// Delete epoxsed API object
		delete QTIP.api[this.id];
	}

	// If an immediate destory is needed
	if((immediate !== TRUE || this.triggering === 'hide') && this.rendered) {
		this.tooltip.one('tooltiphidden', $.proxy(process, this));
		!this.triggering && this.hide();
	}

	// If we're not in the process of hiding... process
	else { process.call(this); }

	return this.target;
};

;function invalidOpt(a) {
	return a === NULL || $.type(a) !== 'object';
}

function invalidContent(c) {
	return !( $.isFunction(c) || (c && c.attr) || c.length || ($.type(c) === 'object' && (c.jquery || c.then) ));
}

// Option object sanitizer
function sanitizeOptions(opts) {
	var content, text, ajax, once;

	if(invalidOpt(opts)) { return FALSE; }

	if(invalidOpt(opts.metadata)) {
		opts.metadata = { type: opts.metadata };
	}

	if('content' in opts) {
		content = opts.content;

		if(invalidOpt(content) || content.jquery || content.done) {
			content = opts.content = {
				text: (text = invalidContent(content) ? FALSE : content)
			};
		}
		else { text = content.text; }

		// DEPRECATED - Old content.ajax plugin functionality
		// Converts it into the proper Deferred syntax
		if('ajax' in content) {
			ajax = content.ajax;
			once = ajax && ajax.once !== FALSE;
			delete content.ajax;

			content.text = function(event, api) {
				var loading = text || $(this).attr(api.options.content.attr) || 'Loading...',

				deferred = $.ajax(
					$.extend({}, ajax, { context: api })
				)
				.then(ajax.success, NULL, ajax.error)
				.then(function(content) {
					if(content && once) { api.set('content.text', content); }
					return content;
				},
				function(xhr, status, error) {
					if(api.destroyed || xhr.status === 0) { return; }
					api.set('content.text', status + ': ' + error);
				});

				return !once ? (api.set('content.text', loading), deferred) : loading;
			};
		}

		if('title' in content) {
			if(!invalidOpt(content.title)) {
				content.button = content.title.button;
				content.title = content.title.text;
			}

			if(invalidContent(content.title || FALSE)) {
				content.title = FALSE;
			}
		}
	}

	if('position' in opts && invalidOpt(opts.position)) {
		opts.position = { my: opts.position, at: opts.position };
	}

	if('show' in opts && invalidOpt(opts.show)) {
		opts.show = opts.show.jquery ? { target: opts.show } : 
			opts.show === TRUE ? { ready: TRUE } : { event: opts.show };
	}

	if('hide' in opts && invalidOpt(opts.hide)) {
		opts.hide = opts.hide.jquery ? { target: opts.hide } : { event: opts.hide };
	}

	if('style' in opts && invalidOpt(opts.style)) {
		opts.style = { classes: opts.style };
	}

	// Sanitize plugin options
	$.each(PLUGINS, function() {
		this.sanitize && this.sanitize(opts);
	});

	return opts;
}

// Setup builtin .set() option checks
CHECKS = PROTOTYPE.checks = {
	builtin: {
		// Core checks
		'^id$': function(obj, o, v, prev) {
			var id = v === TRUE ? QTIP.nextid : v,
				new_id = NAMESPACE + '-' + id;

			if(id !== FALSE && id.length > 0 && !$('#'+new_id).length) {
				this._id = new_id;

				if(this.rendered) {
					this.tooltip[0].id = this._id;
					this.elements.content[0].id = this._id + '-content';
					this.elements.title[0].id = this._id + '-title';
				}
			}
			else { obj[o] = prev; }
		},
		'^prerender': function(obj, o, v) {
			v && !this.rendered && this.render(this.options.show.ready);
		},

		// Content checks
		'^content.text$': function(obj, o, v) {
			this._updateContent(v);
		},
		'^content.attr$': function(obj, o, v, prev) {
			if(this.options.content.text === this.target.attr(prev)) {
				this._updateContent( this.target.attr(v) );
			}
		},
		'^content.title$': function(obj, o, v) {
			// Remove title if content is null
			if(!v) { return this._removeTitle(); }

			// If title isn't already created, create it now and update
			v && !this.elements.title && this._createTitle();
			this._updateTitle(v);
		},
		'^content.button$': function(obj, o, v) {
			this._updateButton(v);
		},
		'^content.title.(text|button)$': function(obj, o, v) {
			this.set('content.'+o, v); // Backwards title.text/button compat
		}, 

		// Position checks
		'^position.(my|at)$': function(obj, o, v){
			'string' === typeof v && (obj[o] = new CORNER(v, o === 'at'));
		},
		'^position.container$': function(obj, o, v){
			this.rendered && this.tooltip.appendTo(v);
		},

		// Show checks
		'^show.ready$': function(obj, o, v) {
			v && (!this.rendered && this.render(TRUE) || this.toggle(TRUE));
		},

		// Style checks
		'^style.classes$': function(obj, o, v, p) {
			this.rendered && this.tooltip.removeClass(p).addClass(v);
		},
		'^style.(width|height)': function(obj, o, v) {
			this.rendered && this.tooltip.css(o, v);
		},
		'^style.widget|content.title': function() {
			this.rendered && this._setWidget();
		},
		'^style.def': function(obj, o, v) {
			this.rendered && this.tooltip.toggleClass(CLASS_DEFAULT, !!v);
		},

		// Events check
		'^events.(render|show|move|hide|focus|blur)$': function(obj, o, v) {
			this.rendered && this.tooltip[($.isFunction(v) ? '' : 'un') + 'bind']('tooltip'+o, v);
		},

		// Properties which require event reassignment
		'^(show|hide|position).(event|target|fixed|inactive|leave|distance|viewport|adjust)': function() {
			if(!this.rendered) { return; }

			// Set tracking flag
			var posOptions = this.options.position;
			this.tooltip.attr('tracking', posOptions.target === 'mouse' && posOptions.adjust.mouse);

			// Reassign events
			this._unassignEvents();
			this._assignEvents();
		}
	}
};

// Dot notation converter
function convertNotation(options, notation) {
	var i = 0, obj, option = options,

	// Split notation into array
	levels = notation.split('.');

	// Loop through
	while( option = option[ levels[i++] ] ) {
		if(i < levels.length) { obj = option; }
	}

	return [obj || options, levels.pop()];
}

PROTOTYPE.get = function(notation) {
	if(this.destroyed) { return this; }

	var o = convertNotation(this.options, notation.toLowerCase()),
		result = o[0][ o[1] ];

	return result.precedance ? result.string() : result;
};

function setCallback(notation, args) {
	var category, rule, match;

	for(category in this.checks) {
		for(rule in this.checks[category]) {
			if(match = (new RegExp(rule, 'i')).exec(notation)) {
				args.push(match);

				if(category === 'builtin' || this.plugins[category]) {
					this.checks[category][rule].apply(
						this.plugins[category] || this, args
					);
				}
			}
		}
	}
}

var rmove = /^position\.(my|at|adjust|target|container|viewport)|style|content|show\.ready/i,
	rrender = /^prerender|show\.ready/i;

PROTOTYPE.set = function(option, value) {
	if(this.destroyed) { return this; }

	var rendered = this.rendered,
		reposition = FALSE,
		options = this.options,
		checks = this.checks,
		name;

	// Convert singular option/value pair into object form
	if('string' === typeof option) {
		name = option; option = {}; option[name] = value;
	}
	else { option = $.extend({}, option); }

	// Set all of the defined options to their new values
	$.each(option, function(notation, value) {
		if(rendered && rrender.test(notation)) {
			delete option[notation]; return;
		}

		// Set new obj value
		var obj = convertNotation(options, notation.toLowerCase()), previous;
		previous = obj[0][ obj[1] ];
		obj[0][ obj[1] ] = value && value.nodeType ? $(value) : value;

		// Also check if we need to reposition
		reposition = rmove.test(notation) || reposition;

		// Set the new params for the callback
		option[notation] = [obj[0], obj[1], value, previous];
	});

	// Re-sanitize options
	sanitizeOptions(options);

	/*
	 * Execute any valid callbacks for the set options
	 * Also set positioning flag so we don't get loads of redundant repositioning calls.
	 */
	this.positioning = TRUE;
	$.each(option, $.proxy(setCallback, this));
	this.positioning = FALSE;

	// Update position if needed
	if(this.rendered && this.tooltip[0].offsetWidth > 0 && reposition) {
		this.reposition( options.position.target === 'mouse' ? NULL : this.cache.event );
	}

	return this;
};

;PROTOTYPE._update = function(content, element, reposition) {
	var self = this,
		cache = this.cache;

	// Make sure tooltip is rendered and content is defined. If not return
	if(!this.rendered || !content) { return FALSE; }

	// Use function to parse content
	if($.isFunction(content)) {
		content = content.call(this.elements.target, cache.event, this) || '';
	}

	// Handle deferred content
	if($.isFunction(content.then)) {
		cache.waiting = TRUE;
		return content.then(function(c) {
			cache.waiting = FALSE;
			return self._update(c, element);
		}, NULL, function(e) {
			return self._update(e, element);
		});
	}

	// If content is null... return false
	if(content === FALSE || (!content && content !== '')) { return FALSE; }

	// Append new content if its a DOM array and show it if hidden
	if(content.jquery && content.length > 0) {
		element.empty().append(
			content.css({ display: 'block', visibility: 'visible' })
		);
	}

	// Content is a regular string, insert the new content
	else { element.html(content); }

	// Wait for content to be loaded, and reposition
	return this._waitForContent(element).then(function(images) {
		if(images.images && images.images.length && self.rendered && self.tooltip[0].offsetWidth > 0) {
			self.reposition(cache.event, !images.length);
		}
	});
};

PROTOTYPE._waitForContent = function(element) {
	var cache = this.cache;
	
	// Set flag
	cache.waiting = TRUE;

	// If imagesLoaded is included, ensure images have loaded and return promise
	return ( $.fn.imagesLoaded ? element.imagesLoaded() : $.Deferred().resolve([]) )
		.done(function() { cache.waiting = FALSE; })
		.promise();
};

PROTOTYPE._updateContent = function(content, reposition) {
	this._update(content, this.elements.content, reposition);
};

PROTOTYPE._updateTitle = function(content, reposition) {
	if(this._update(content, this.elements.title, reposition) === FALSE) {
		this._removeTitle(FALSE);
	}
};

PROTOTYPE._createTitle = function()
{
	var elements = this.elements,
		id = this._id+'-title';

	// Destroy previous title element, if present
	if(elements.titlebar) { this._removeTitle(); }

	// Create title bar and title elements
	elements.titlebar = $('<div />', {
		'class': NAMESPACE + '-titlebar ' + (this.options.style.widget ? createWidgetClass('header') : '')
	})
	.append(
		elements.title = $('<div />', {
			'id': id,
			'class': NAMESPACE + '-title',
			'aria-atomic': TRUE
		})
	)
	.insertBefore(elements.content)

	// Button-specific events
	.delegate('.qtip-close', 'mousedown keydown mouseup keyup mouseout', function(event) {
		$(this).toggleClass('ui-state-active ui-state-focus', event.type.substr(-4) === 'down');
	})
	.delegate('.qtip-close', 'mouseover mouseout', function(event){
		$(this).toggleClass('ui-state-hover', event.type === 'mouseover');
	});

	// Create button if enabled
	if(this.options.content.button) { this._createButton(); }
};

PROTOTYPE._removeTitle = function(reposition)
{
	var elements = this.elements;

	if(elements.title) {
		elements.titlebar.remove();
		elements.titlebar = elements.title = elements.button = NULL;

		// Reposition if enabled
		if(reposition !== FALSE) { this.reposition(); }
	}
};

;PROTOTYPE.reposition = function(event, effect) {
	if(!this.rendered || this.positioning || this.destroyed) { return this; }

	// Set positioning flag
	this.positioning = TRUE;

	var cache = this.cache,
		tooltip = this.tooltip,
		posOptions = this.options.position,
		target = posOptions.target,
		my = posOptions.my,
		at = posOptions.at,
		viewport = posOptions.viewport,
		container = posOptions.container,
		adjust = posOptions.adjust,
		method = adjust.method.split(' '),
		tooltipWidth = tooltip.outerWidth(FALSE),
		tooltipHeight = tooltip.outerHeight(FALSE),
		targetWidth = 0,
		targetHeight = 0,
		type = tooltip.css('position'),
		position = { left: 0, top: 0 },
		visible = tooltip[0].offsetWidth > 0,
		isScroll = event && event.type === 'scroll',
		win = $(window),
		doc = container[0].ownerDocument,
		mouse = this.mouse,
		pluginCalculations, offset;

	// Check if absolute position was passed
	if($.isArray(target) && target.length === 2) {
		// Force left top and set position
		at = { x: LEFT, y: TOP };
		position = { left: target[0], top: target[1] };
	}

	// Check if mouse was the target
	else if(target === 'mouse') {
		// Force left top to allow flipping
		at = { x: LEFT, y: TOP };

		// Use the cached mouse coordinates if available, or passed event has no coordinates
		if(mouse && mouse.pageX && (adjust.mouse || !event || !event.pageX) ) {
			event = mouse;
		}
		
		// If the passed event has no coordinates (such as a scroll event)
		else if(!event || !event.pageX) {
			// Use the mouse origin that caused the show event, if distance hiding is enabled
			if((!adjust.mouse || this.options.show.distance) && cache.origin && cache.origin.pageX) {
				event =  cache.origin;
			}

			// Use cached event for resize/scroll events
			else if(!event || (event && (event.type === 'resize' || event.type === 'scroll'))) {
				event = cache.event;
			}
		}

		// Calculate body and container offset and take them into account below
		if(type !== 'static') { position = container.offset(); }
		if(doc.body.offsetWidth !== (window.innerWidth || doc.documentElement.clientWidth)) {
			offset = $(document.body).offset();
		}

		// Use event coordinates for position
		position = {
			left: event.pageX - position.left + (offset && offset.left || 0),
			top: event.pageY - position.top + (offset && offset.top || 0)
		};

		// Scroll events are a pain, some browsers
		if(adjust.mouse && isScroll && mouse) {
			position.left -= (mouse.scrollX || 0) - win.scrollLeft();
			position.top -= (mouse.scrollY || 0) - win.scrollTop();
		}
	}

	// Target wasn't mouse or absolute...
	else {
		// Check if event targetting is being used
		if(target === 'event') {
			if(event && event.target && event.type !== 'scroll' && event.type !== 'resize') {
				cache.target = $(event.target);
			}
			else if(!event.target) {
				cache.target = this.elements.target;
			}
		}
		else if(target !== 'event'){
			cache.target = $(target.jquery ? target : this.elements.target);
		}
		target = cache.target;

		// Parse the target into a jQuery object and make sure there's an element present
		target = $(target).eq(0);
		if(target.length === 0) { return this; }

		// Check if window or document is the target
		else if(target[0] === document || target[0] === window) {
			targetWidth = BROWSER.iOS ? window.innerWidth : target.width();
			targetHeight = BROWSER.iOS ? window.innerHeight : target.height();

			if(target[0] === window) {
				position = {
					top: (viewport || target).scrollTop(),
					left: (viewport || target).scrollLeft()
				};
			}
		}

		// Check if the target is an <AREA> element
		else if(PLUGINS.imagemap && target.is('area')) {
			pluginCalculations = PLUGINS.imagemap(this, target, at, PLUGINS.viewport ? method : FALSE);
		}

		// Check if the target is an SVG element
		else if(PLUGINS.svg && target && target[0].ownerSVGElement) {
			pluginCalculations = PLUGINS.svg(this, target, at, PLUGINS.viewport ? method : FALSE);
		}

		// Otherwise use regular jQuery methods
		else {
			targetWidth = target.outerWidth(FALSE);
			targetHeight = target.outerHeight(FALSE);
			position = target.offset();
		}

		// Parse returned plugin values into proper variables
		if(pluginCalculations) {
			targetWidth = pluginCalculations.width;
			targetHeight = pluginCalculations.height;
			offset = pluginCalculations.offset;
			position = pluginCalculations.position;
		}

		// Adjust position to take into account offset parents
		position = this.reposition.offset(target, position, container);

		// Adjust for position.fixed tooltips (and also iOS scroll bug in v3.2-4.0 & v4.3-4.3.2)
		if((BROWSER.iOS > 3.1 && BROWSER.iOS < 4.1) || 
			(BROWSER.iOS >= 4.3 && BROWSER.iOS < 4.33) || 
			(!BROWSER.iOS && type === 'fixed')
		){
			position.left -= win.scrollLeft();
			position.top -= win.scrollTop();
		}

		// Adjust position relative to target
		if(!pluginCalculations || (pluginCalculations && pluginCalculations.adjustable !== FALSE)) {
			position.left += at.x === RIGHT ? targetWidth : at.x === CENTER ? targetWidth / 2 : 0;
			position.top += at.y === BOTTOM ? targetHeight : at.y === CENTER ? targetHeight / 2 : 0;
		}
	}

	// Adjust position relative to tooltip
	position.left += adjust.x + (my.x === RIGHT ? -tooltipWidth : my.x === CENTER ? -tooltipWidth / 2 : 0);
	position.top += adjust.y + (my.y === BOTTOM ? -tooltipHeight : my.y === CENTER ? -tooltipHeight / 2 : 0);

	// Use viewport adjustment plugin if enabled
	if(PLUGINS.viewport) {
		position.adjusted = PLUGINS.viewport(
			this, position, posOptions, targetWidth, targetHeight, tooltipWidth, tooltipHeight
		);

		// Apply offsets supplied by positioning plugin (if used)
		if(offset && position.adjusted.left) { position.left += offset.left; }
		if(offset && position.adjusted.top) {  position.top += offset.top; }
	}

	// Viewport adjustment is disabled, set values to zero
	else { position.adjusted = { left: 0, top: 0 }; }

	// tooltipmove event
	if(!this._trigger('move', [position, viewport.elem || viewport], event)) { return this; }
	delete position.adjusted;

	// If effect is disabled, target it mouse, no animation is defined or positioning gives NaN out, set CSS directly
	if(effect === FALSE || !visible || isNaN(position.left) || isNaN(position.top) || target === 'mouse' || !$.isFunction(posOptions.effect)) {
		tooltip.css(position);
	}

	// Use custom function if provided
	else if($.isFunction(posOptions.effect)) {
		posOptions.effect.call(tooltip, this, $.extend({}, position));
		tooltip.queue(function(next) {
			// Reset attributes to avoid cross-browser rendering bugs
			$(this).css({ opacity: '', height: '' });
			if(BROWSER.ie) { this.style.removeAttribute('filter'); }

			next();
		});
	}

	// Set positioning flag
	this.positioning = FALSE;

	return this;
};

// Custom (more correct for qTip!) offset calculator
PROTOTYPE.reposition.offset = function(elem, pos, container) {
	if(!container[0]) { return pos; }

	var ownerDocument = $(elem[0].ownerDocument),
		quirks = !!BROWSER.ie && document.compatMode !== 'CSS1Compat',
		parent = container[0],
		scrolled, position, parentOffset, overflow;

	function scroll(e, i) {
		pos.left += i * e.scrollLeft();
		pos.top += i * e.scrollTop();
	}

	// Compensate for non-static containers offset
	do {
		if((position = $.css(parent, 'position')) !== 'static') {
			if(position === 'fixed') {
				parentOffset = parent.getBoundingClientRect();
				scroll(ownerDocument, -1);
			}
			else {
				parentOffset = $(parent).position();
				parentOffset.left += (parseFloat($.css(parent, 'borderLeftWidth')) || 0);
				parentOffset.top += (parseFloat($.css(parent, 'borderTopWidth')) || 0);
			}

			pos.left -= parentOffset.left + (parseFloat($.css(parent, 'marginLeft')) || 0);
			pos.top -= parentOffset.top + (parseFloat($.css(parent, 'marginTop')) || 0);

			// If this is the first parent element with an overflow of "scroll" or "auto", store it
			if(!scrolled && (overflow = $.css(parent, 'overflow')) !== 'hidden' && overflow !== 'visible') { scrolled = $(parent); }
		}
	}
	while((parent = parent.offsetParent));

	// Compensate for containers scroll if it also has an offsetParent (or in IE quirks mode)
	if(scrolled && (scrolled[0] !== ownerDocument[0] || quirks)) {
		scroll(scrolled, 1);
	}

	return pos;
};

// Corner class
var C = (CORNER = PROTOTYPE.reposition.Corner = function(corner, forceY) {
	corner = ('' + corner).replace(/([A-Z])/, ' $1').replace(/middle/gi, CENTER).toLowerCase();
	this.x = (corner.match(/left|right/i) || corner.match(/center/) || ['inherit'])[0].toLowerCase();
	this.y = (corner.match(/top|bottom|center/i) || ['inherit'])[0].toLowerCase();
	this.forceY = !!forceY;

	var f = corner.charAt(0);
	this.precedance = (f === 't' || f === 'b' ? Y : X);
}).prototype;

C.invert = function(z, center) {
	this[z] = this[z] === LEFT ? RIGHT : this[z] === RIGHT ? LEFT : center || this[z];	
};

C.string = function() {
	var x = this.x, y = this.y;
	return x === y ? x : this.precedance === Y || (this.forceY && y !== 'center') ? y+' '+x : x+' '+y;
};

C.abbrev = function() {
	var result = this.string().split(' ');
	return result[0].charAt(0) + (result[1] && result[1].charAt(0) || '');
};

C.clone = function() {
	return new CORNER( this.string(), this.forceY );
};;
PROTOTYPE.toggle = function(state, event) {
	var cache = this.cache,
		options = this.options,
		tooltip = this.tooltip;

	// Try to prevent flickering when tooltip overlaps show element
	if(event) {
		if((/over|enter/).test(event.type) && (/out|leave/).test(cache.event.type) &&
			options.show.target.add(event.target).length === options.show.target.length &&
			tooltip.has(event.relatedTarget).length) {
			return this;
		}

		// Cache event
		cache.event = cloneEvent(event);
	}
		
	// If we're currently waiting and we've just hidden... stop it
	this.waiting && !state && (this.hiddenDuringWait = TRUE);

	// Render the tooltip if showing and it isn't already
	if(!this.rendered) { return state ? this.render(1) : this; }
	else if(this.destroyed || this.disabled) { return this; }

	var type = state ? 'show' : 'hide',
		opts = this.options[type],
		otherOpts = this.options[ !state ? 'show' : 'hide' ],
		posOptions = this.options.position,
		contentOptions = this.options.content,
		width = this.tooltip.css('width'),
		visible = this.tooltip.is(':visible'),
		animate = state || opts.target.length === 1,
		sameTarget = !event || opts.target.length < 2 || cache.target[0] === event.target,
		identicalState, allow, showEvent, delay, after;

	// Detect state if valid one isn't provided
	if((typeof state).search('boolean|number')) { state = !visible; }

	// Check if the tooltip is in an identical state to the new would-be state
	identicalState = !tooltip.is(':animated') && visible === state && sameTarget;

	// Fire tooltip(show/hide) event and check if destroyed
	allow = !identicalState ? !!this._trigger(type, [90]) : NULL;

	// Check to make sure the tooltip wasn't destroyed in the callback
	if(this.destroyed) { return this; }

	// If the user didn't stop the method prematurely and we're showing the tooltip, focus it
	if(allow !== FALSE && state) { this.focus(event); }

	// If the state hasn't changed or the user stopped it, return early
	if(!allow || identicalState) { return this; }

	// Set ARIA hidden attribute
	$.attr(tooltip[0], 'aria-hidden', !!!state);

	// Execute state specific properties
	if(state) {
		// Store show origin coordinates
		cache.origin = cloneEvent(this.mouse);

		// Update tooltip content & title if it's a dynamic function
		if($.isFunction(contentOptions.text)) { this._updateContent(contentOptions.text, FALSE); }
		if($.isFunction(contentOptions.title)) { this._updateTitle(contentOptions.title, FALSE); }

		// Cache mousemove events for positioning purposes (if not already tracking)
		if(!trackingBound && posOptions.target === 'mouse' && posOptions.adjust.mouse) {
			$(document).bind('mousemove.'+NAMESPACE, this._storeMouse);
			trackingBound = TRUE;
		}

		// Update the tooltip position (set width first to prevent viewport/max-width issues)
		if(!width) { tooltip.css('width', tooltip.outerWidth(FALSE)); }
		this.reposition(event, arguments[2]);
		if(!width) { tooltip.css('width', ''); }

		// Hide other tooltips if tooltip is solo
		if(!!opts.solo) {
			(typeof opts.solo === 'string' ? $(opts.solo) : $(SELECTOR, opts.solo))
				.not(tooltip).not(opts.target).qtip('hide', $.Event('tooltipsolo'));
		}
	}
	else {
		// Clear show timer if we're hiding
		clearTimeout(this.timers.show);

		// Remove cached origin on hide
		delete cache.origin;

		// Remove mouse tracking event if not needed (all tracking qTips are hidden)
		if(trackingBound && !$(SELECTOR+'[tracking="true"]:visible', opts.solo).not(tooltip).length) {
			$(document).unbind('mousemove.'+NAMESPACE);
			trackingBound = FALSE;
		}

		// Blur the tooltip
		this.blur(event);
	}

	// Define post-animation, state specific properties
	after = $.proxy(function() {
		if(state) {
			// Prevent antialias from disappearing in IE by removing filter
			if(BROWSER.ie) { tooltip[0].style.removeAttribute('filter'); }

			// Remove overflow setting to prevent tip bugs
			tooltip.css('overflow', '');

			// Autofocus elements if enabled
			if('string' === typeof opts.autofocus) {
				$(this.options.show.autofocus, tooltip).focus();
			}

			// If set, hide tooltip when inactive for delay period
			this.options.show.target.trigger('qtip-'+this.id+'-inactive');
		}
		else {
			// Reset CSS states
			tooltip.css({
				display: '',
				visibility: '',
				opacity: '',
				left: '',
				top: ''
			});
		}

		// tooltipvisible/tooltiphidden events
		this._trigger(state ? 'visible' : 'hidden');
	}, this);

	// If no effect type is supplied, use a simple toggle
	if(opts.effect === FALSE || animate === FALSE) {
		tooltip[ type ]();
		after();
	}

	// Use custom function if provided
	else if($.isFunction(opts.effect)) {
		tooltip.stop(1, 1);
		opts.effect.call(tooltip, this);
		tooltip.queue('fx', function(n) {
			after(); n();
		});
	}

	// Use basic fade function by default
	else { tooltip.fadeTo(90, state ? 1 : 0, after); }

	// If inactive hide method is set, active it
	if(state) { opts.target.trigger('qtip-'+this.id+'-inactive'); }

	return this;
};

PROTOTYPE.show = function(event) { return this.toggle(TRUE, event); };

PROTOTYPE.hide = function(event) { return this.toggle(FALSE, event); };

;PROTOTYPE.focus = function(event) {
	if(!this.rendered || this.destroyed) { return this; }

	var qtips = $(SELECTOR),
		tooltip = this.tooltip,
		curIndex = parseInt(tooltip[0].style.zIndex, 10),
		newIndex = QTIP.zindex + qtips.length,
		focusedElem;

	// Only update the z-index if it has changed and tooltip is not already focused
	if(!tooltip.hasClass(CLASS_FOCUS)) {
		// tooltipfocus event
		if(this._trigger('focus', [newIndex], event)) {
			// Only update z-index's if they've changed
			if(curIndex !== newIndex) {
				// Reduce our z-index's and keep them properly ordered
				qtips.each(function() {
					if(this.style.zIndex > curIndex) {
						this.style.zIndex = this.style.zIndex - 1;
					}
				});

				// Fire blur event for focused tooltip
				qtips.filter('.' + CLASS_FOCUS).qtip('blur', event);
			}

			// Set the new z-index
			tooltip.addClass(CLASS_FOCUS)[0].style.zIndex = newIndex;
		}
	}

	return this;
};

PROTOTYPE.blur = function(event) {
	if(!this.rendered || this.destroyed) { return this; }

	// Set focused status to FALSE
	this.tooltip.removeClass(CLASS_FOCUS);

	// tooltipblur event
	this._trigger('blur', [ this.tooltip.css('zIndex') ], event);

	return this;
};

;PROTOTYPE.disable = function(state) {
	if(this.destroyed) { return this; }

	// If 'toggle' is passed, toggle the current state
	if(state === 'toggle') {
		state = !(this.rendered ? this.tooltip.hasClass(CLASS_DISABLED) : this.disabled);
	}

	// Disable if no state passed
	else if('boolean' !== typeof state) {
		state = TRUE;
	}

	if(this.rendered) {
		this.tooltip.toggleClass(CLASS_DISABLED, state)
			.attr('aria-disabled', state);
	}

	this.disabled = !!state;

	return this;
};

PROTOTYPE.enable = function() { return this.disable(FALSE); };

;PROTOTYPE._createButton = function()
{
	var self = this,
		elements = this.elements,
		tooltip = elements.tooltip,
		button = this.options.content.button,
		isString = typeof button === 'string',
		close = isString ? button : 'Close tooltip';

	if(elements.button) { elements.button.remove(); }

	// Use custom button if one was supplied by user, else use default
	if(button.jquery) {
		elements.button = button;
	}
	else {
		elements.button = $('<a />', {
			'class': 'qtip-close ' + (this.options.style.widget ? '' : NAMESPACE+'-icon'),
			'title': close,
			'aria-label': close
		})
		.prepend(
			$('<span />', {
				'class': 'ui-icon ui-icon-close',
				'html': '&times;'
			})
		);
	}

	// Create button and setup attributes
	elements.button.appendTo(elements.titlebar || tooltip)
		.attr('role', 'button')
		.click(function(event) {
			if(!tooltip.hasClass(CLASS_DISABLED)) { self.hide(event); }
			return FALSE;
		});
};

PROTOTYPE._updateButton = function(button)
{
	// Make sure tooltip is rendered and if not, return
	if(!this.rendered) { return FALSE; }

	var elem = this.elements.button;
	if(button) { this._createButton(); }
	else { elem.remove(); }
};

;// Widget class creator
function createWidgetClass(cls) {
	return WIDGET.concat('').join(cls ? '-'+cls+' ' : ' ');
}

// Widget class setter method
PROTOTYPE._setWidget = function()
{
	var on = this.options.style.widget,
		elements = this.elements,
		tooltip = elements.tooltip,
		disabled = tooltip.hasClass(CLASS_DISABLED);

	tooltip.removeClass(CLASS_DISABLED);
	CLASS_DISABLED = on ? 'ui-state-disabled' : 'qtip-disabled';
	tooltip.toggleClass(CLASS_DISABLED, disabled);

	tooltip.toggleClass('ui-helper-reset '+createWidgetClass(), on).toggleClass(CLASS_DEFAULT, this.options.style.def && !on);
	
	if(elements.content) {
		elements.content.toggleClass( createWidgetClass('content'), on);
	}
	if(elements.titlebar) {
		elements.titlebar.toggleClass( createWidgetClass('header'), on);
	}
	if(elements.button) {
		elements.button.toggleClass(NAMESPACE+'-icon', !on);
	}
};;function cloneEvent(event) {
	return event && {
		type: event.type,
		pageX: event.pageX,
		pageY: event.pageY,
		target: event.target,
		relatedTarget: event.relatedTarget,
		scrollX: event.scrollX || window.pageXOffset || document.body.scrollLeft || document.documentElement.scrollLeft,
		scrollY: event.scrollY || window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop
	} || {};
}

function delay(callback, duration) {
	// If tooltip has displayed, start hide timer
	if(duration > 0) {
		return setTimeout(
			$.proxy(callback, this), duration
		);
	}
	else{ callback.call(this); }
}

function showMethod(event) {
	if(this.tooltip.hasClass(CLASS_DISABLED)) { return FALSE; }

	// Clear hide timers
	clearTimeout(this.timers.show);
	clearTimeout(this.timers.hide);

	// Start show timer
	this.timers.show = delay.call(this,
		function() { this.toggle(TRUE, event); },
		this.options.show.delay
	);
}

function hideMethod(event) {
	if(this.tooltip.hasClass(CLASS_DISABLED)) { return FALSE; }

	// Check if new target was actually the tooltip element
	var relatedTarget = $(event.relatedTarget),
		ontoTooltip = relatedTarget.closest(SELECTOR)[0] === this.tooltip[0],
		ontoTarget = relatedTarget[0] === this.options.show.target[0];

	// Clear timers and stop animation queue
	clearTimeout(this.timers.show);
	clearTimeout(this.timers.hide);

	// Prevent hiding if tooltip is fixed and event target is the tooltip.
	// Or if mouse positioning is enabled and cursor momentarily overlaps
	if(this !== relatedTarget[0] && 
		(this.options.position.target === 'mouse' && ontoTooltip) || 
		(this.options.hide.fixed && (
			(/mouse(out|leave|move)/).test(event.type) && (ontoTooltip || ontoTarget))
		))
	{
		try {
			event.preventDefault();
			event.stopImmediatePropagation();
		} catch(e) {}

		return;
	}

	// If tooltip has displayed, start hide timer
	this.timers.hide = delay.call(this,
		function() { this.toggle(FALSE, event); },
		this.options.hide.delay,
		this
	);
}

function inactiveMethod(event) {
	if(this.tooltip.hasClass(CLASS_DISABLED) || !this.options.hide.inactive) { return FALSE; }

	// Clear timer
	clearTimeout(this.timers.inactive);

	this.timers.inactive = delay.call(this,
		function(){ this.hide(event); },
		this.options.hide.inactive
	);
}

function repositionMethod(event) {
	if(this.rendered && this.tooltip[0].offsetWidth > 0) { this.reposition(event); }
}

// Store mouse coordinates
PROTOTYPE._storeMouse = function(event) {
	(this.mouse = cloneEvent(event)).type = 'mousemove';
};

// Bind events
PROTOTYPE._bind = function(targets, events, method, suffix, context) {
	var ns = '.' + this._id + (suffix ? '-'+suffix : '');
	events.length && $(targets).bind(
		(events.split ? events : events.join(ns + ' ')) + ns,
		$.proxy(method, context || this)
	);
};
PROTOTYPE._unbind = function(targets, suffix) {
	$(targets).unbind('.' + this._id + (suffix ? '-'+suffix : ''));
};

// Apply common event handlers using delegate (avoids excessive .bind calls!)
var ns = '.'+NAMESPACE;
function delegate(selector, events, method) {	
	$(document.body).delegate(selector,
		(events.split ? events : events.join(ns + ' ')) + ns,
		function() {
			var api = QTIP.api[ $.attr(this, ATTR_ID) ];
			api && !api.disabled && method.apply(api, arguments);
		}
	);
}

$(function() {
	delegate(SELECTOR, ['mouseenter', 'mouseleave'], function(event) {
		var state = event.type === 'mouseenter',
			tooltip = $(event.currentTarget),
			target = $(event.relatedTarget || event.target),
			options = this.options;

		// On mouseenter...
		if(state) {
			// Focus the tooltip on mouseenter (z-index stacking)
			this.focus(event);

			// Clear hide timer on tooltip hover to prevent it from closing
			tooltip.hasClass(CLASS_FIXED) && !tooltip.hasClass(CLASS_DISABLED) && clearTimeout(this.timers.hide);
		}

		// On mouseleave...
		else {
			// Hide when we leave the tooltip and not onto the show target (if a hide event is set)
			if(options.position.target === 'mouse' && options.hide.event && 
				options.show.target && !target.closest(options.show.target[0]).length) {
				this.hide(event);
			}
		}

		// Add hover class
		tooltip.toggleClass(CLASS_HOVER, state);
	});

	// Define events which reset the 'inactive' event handler
	delegate('['+ATTR_ID+']', INACTIVE_EVENTS, inactiveMethod);
});

// Event trigger
PROTOTYPE._trigger = function(type, args, event) {
	var callback = $.Event('tooltip'+type);
	callback.originalEvent = (event && $.extend({}, event)) || this.cache.event || NULL;

	this.triggering = type;
	this.tooltip.trigger(callback, [this].concat(args || []));
	this.triggering = FALSE;

	return !callback.isDefaultPrevented();
};

PROTOTYPE._bindEvents = function(showEvents, hideEvents, showTarget, hideTarget, showMethod, hideMethod) {
	// If hide and show targets are the same...
	if(hideTarget.add(showTarget).length === hideTarget.length) {
		var toggleEvents = [];

		// Filter identical show/hide events
		hideEvents = $.map(hideEvents, function(type) {
			var showIndex = $.inArray(type, showEvents);

			// Both events are identical, remove from both hide and show events
			// and append to toggleEvents
			if(showIndex > -1) {
				toggleEvents.push( showEvents.splice( showIndex, 1 )[0] );
				return;
			}

			return type;
		});

		// Toggle events are special case of identical show/hide events, which happen in sequence
		toggleEvents.length && this._bind(showTarget, toggleEvents, function(event) {
			var state = this.rendered ? this.tooltip[0].offsetWidth > 0 : false;
			(state ? hideMethod : showMethod).call(this, event);
		});
	}

	// Apply show/hide/toggle events
	this._bind(showTarget, showEvents, showMethod);
	this._bind(hideTarget, hideEvents, hideMethod);
};

PROTOTYPE._assignInitialEvents = function(event) {
	var options = this.options,
		showTarget = options.show.target,
		hideTarget = options.hide.target,
		showEvents = options.show.event ? $.trim('' + options.show.event).split(' ') : [],
		hideEvents = options.hide.event ? $.trim('' + options.hide.event).split(' ') : [];

	/*
	 * Make sure hoverIntent functions properly by using mouseleave as a hide event if
	 * mouseenter/mouseout is used for show.event, even if it isn't in the users options.
	 */
	if(/mouse(over|enter)/i.test(options.show.event) && !/mouse(out|leave)/i.test(options.hide.event)) {
		hideEvents.push('mouseleave');
	}

	/*
	 * Also make sure initial mouse targetting works correctly by caching mousemove coords
	 * on show targets before the tooltip has rendered. Also set onTarget when triggered to
	 * keep mouse tracking working.
	 */
	this._bind(showTarget, 'mousemove', function(event) {
		this._storeMouse(event);
		this.cache.onTarget = TRUE;
	});

	// Define hoverIntent function
	function hoverIntent(event) {
		// Only continue if tooltip isn't disabled
		if(this.disabled || this.destroyed) { return FALSE; }

		// Cache the event data
		this.cache.event = cloneEvent(event);
		this.cache.target = event ? $(event.target) : [undefined];

		// Start the event sequence
		clearTimeout(this.timers.show);
		this.timers.show = delay.call(this,
			function() { this.render(typeof event === 'object' || options.show.ready); },
			options.show.delay
		);
	}

	// Filter and bind events
	this._bindEvents(showEvents, hideEvents, showTarget, hideTarget, hoverIntent, function() {
		clearTimeout(this.timers.show);
	});

	// Prerendering is enabled, create tooltip now
	if(options.show.ready || options.prerender) { hoverIntent.call(this, event); }
};

// Event assignment method
PROTOTYPE._assignEvents = function() {
	var self = this,
		options = this.options,
		posOptions = options.position,

		tooltip = this.tooltip,
		showTarget = options.show.target,
		hideTarget = options.hide.target,
		containerTarget = posOptions.container,
		viewportTarget = posOptions.viewport,
		documentTarget = $(document),
		bodyTarget = $(document.body),
		windowTarget = $(window),

		showEvents = options.show.event ? $.trim('' + options.show.event).split(' ') : [],
		hideEvents = options.hide.event ? $.trim('' + options.hide.event).split(' ') : [];


	// Assign passed event callbacks
	$.each(options.events, function(name, callback) {
		self._bind(tooltip, name === 'toggle' ? ['tooltipshow','tooltiphide'] : ['tooltip'+name], callback, null, tooltip);
	});

	// Hide tooltips when leaving current window/frame (but not select/option elements)
	if(/mouse(out|leave)/i.test(options.hide.event) && options.hide.leave === 'window') {
		this._bind(documentTarget, ['mouseout', 'blur'], function(event) {
			if(!/select|option/.test(event.target.nodeName) && !event.relatedTarget) {
				this.hide(event);
			}
		});
	}

	// Enable hide.fixed by adding appropriate class
	if(options.hide.fixed) {
		hideTarget = hideTarget.add( tooltip.addClass(CLASS_FIXED) );
	}

	/*
	 * Make sure hoverIntent functions properly by using mouseleave to clear show timer if
	 * mouseenter/mouseout is used for show.event, even if it isn't in the users options.
	 */
	else if(/mouse(over|enter)/i.test(options.show.event)) {
		this._bind(hideTarget, 'mouseleave', function() {
			clearTimeout(this.timers.show);
		});
	}

	// Hide tooltip on document mousedown if unfocus events are enabled
	if(('' + options.hide.event).indexOf('unfocus') > -1) {
		this._bind(containerTarget.closest('html'), ['mousedown', 'touchstart'], function(event) {
			var elem = $(event.target),
				enabled = this.rendered && !this.tooltip.hasClass(CLASS_DISABLED) && this.tooltip[0].offsetWidth > 0,
				isAncestor = elem.parents(SELECTOR).filter(this.tooltip[0]).length > 0;

			if(elem[0] !== this.target[0] && elem[0] !== this.tooltip[0] && !isAncestor &&
				!this.target.has(elem[0]).length && enabled
			) {
				this.hide(event);
			}
		});
	}

	// Check if the tooltip hides when inactive
	if('number' === typeof options.hide.inactive) {
		// Bind inactive method to show target(s) as a custom event
		this._bind(showTarget, 'qtip-'+this.id+'-inactive', inactiveMethod);

		// Define events which reset the 'inactive' event handler
		this._bind(hideTarget.add(tooltip), QTIP.inactiveEvents, inactiveMethod, '-inactive');
	}

	// Filter and bind events
	this._bindEvents(showEvents, hideEvents, showTarget, hideTarget, showMethod, hideMethod);

	// Mouse movement bindings
	this._bind(showTarget.add(tooltip), 'mousemove', function(event) {
		// Check if the tooltip hides when mouse is moved a certain distance
		if('number' === typeof options.hide.distance) {
			var origin = this.cache.origin || {},
				limit = this.options.hide.distance,
				abs = Math.abs;

			// Check if the movement has gone beyond the limit, and hide it if so
			if(abs(event.pageX - origin.pageX) >= limit || abs(event.pageY - origin.pageY) >= limit) {
				this.hide(event);
			}
		}

		// Cache mousemove coords on show targets
		this._storeMouse(event);
	});

	// Mouse positioning events
	if(posOptions.target === 'mouse') {
		// If mouse adjustment is on...
		if(posOptions.adjust.mouse) {
			// Apply a mouseleave event so we don't get problems with overlapping
			if(options.hide.event) {
				// Track if we're on the target or not
				this._bind(showTarget, ['mouseenter', 'mouseleave'], function(event) {
					this.cache.onTarget = event.type === 'mouseenter';
				});
			}

			// Update tooltip position on mousemove
			this._bind(documentTarget, 'mousemove', function(event) {
				// Update the tooltip position only if the tooltip is visible and adjustment is enabled
				if(this.rendered && this.cache.onTarget && !this.tooltip.hasClass(CLASS_DISABLED) && this.tooltip[0].offsetWidth > 0) {
					this.reposition(event);
				}
			});
		}
	}

	// Adjust positions of the tooltip on window resize if enabled
	if(posOptions.adjust.resize || viewportTarget.length) {
		this._bind( $.event.special.resize ? viewportTarget : windowTarget, 'resize', repositionMethod );
	}

	// Adjust tooltip position on scroll of the window or viewport element if present
	if(posOptions.adjust.scroll) {
		this._bind( windowTarget.add(posOptions.container), 'scroll', repositionMethod );
	}
};

// Un-assignment method
PROTOTYPE._unassignEvents = function() {
	var targets = [
		this.options.show.target[0],
		this.options.hide.target[0],
		this.rendered && this.tooltip[0],
		this.options.position.container[0],
		this.options.position.viewport[0],
		this.options.position.container.closest('html')[0], // unfocus
		window,
		document
	];

	this._unbind($([]).pushStack( $.grep(targets, function(i) {
		return typeof i === 'object';
	})));
};

;// Initialization method
function init(elem, id, opts) {
	var obj, posOptions, attr, config, title,

	// Setup element references
	docBody = $(document.body),

	// Use document body instead of document element if needed
	newTarget = elem[0] === document ? docBody : elem,

	// Grab metadata from element if plugin is present
	metadata = (elem.metadata) ? elem.metadata(opts.metadata) : NULL,

	// If metadata type if HTML5, grab 'name' from the object instead, or use the regular data object otherwise
	metadata5 = opts.metadata.type === 'html5' && metadata ? metadata[opts.metadata.name] : NULL,

	// Grab data from metadata.name (or data-qtipopts as fallback) using .data() method,
	html5 = elem.data(opts.metadata.name || 'qtipopts');

	// If we don't get an object returned attempt to parse it manualyl without parseJSON
	try { html5 = typeof html5 === 'string' ? $.parseJSON(html5) : html5; } catch(e) {}

	// Merge in and sanitize metadata
	config = $.extend(TRUE, {}, QTIP.defaults, opts,
		typeof html5 === 'object' ? sanitizeOptions(html5) : NULL,
		sanitizeOptions(metadata5 || metadata));

	// Re-grab our positioning options now we've merged our metadata and set id to passed value
	posOptions = config.position;
	config.id = id;

	// Setup missing content if none is detected
	if('boolean' === typeof config.content.text) {
		attr = elem.attr(config.content.attr);

		// Grab from supplied attribute if available
		if(config.content.attr !== FALSE && attr) { config.content.text = attr; }

		// No valid content was found, abort render
		else { return FALSE; }
	}

	// Setup target options
	if(!posOptions.container.length) { posOptions.container = docBody; }
	if(posOptions.target === FALSE) { posOptions.target = newTarget; }
	if(config.show.target === FALSE) { config.show.target = newTarget; }
	if(config.show.solo === TRUE) { config.show.solo = posOptions.container.closest('body'); }
	if(config.hide.target === FALSE) { config.hide.target = newTarget; }
	if(config.position.viewport === TRUE) { config.position.viewport = posOptions.container; }

	// Ensure we only use a single container
	posOptions.container = posOptions.container.eq(0);

	// Convert position corner values into x and y strings
	posOptions.at = new CORNER(posOptions.at, TRUE);
	posOptions.my = new CORNER(posOptions.my);

	// Destroy previous tooltip if overwrite is enabled, or skip element if not
	if(elem.data(NAMESPACE)) {
		if(config.overwrite) {
			elem.qtip('destroy', true);
		}
		else if(config.overwrite === FALSE) {
			return FALSE;
		}
	}

	// Add has-qtip attribute
	elem.attr(ATTR_HAS, id);

	// Remove title attribute and store it if present
	if(config.suppress && (title = elem.attr('title'))) {
		// Final attr call fixes event delegatiom and IE default tooltip showing problem
		elem.removeAttr('title').attr(oldtitle, title).attr('title', '');
	}

	// Initialize the tooltip and add API reference
	obj = new QTip(elem, config, id, !!attr);
	elem.data(NAMESPACE, obj);

	// Catch remove/removeqtip events on target element to destroy redundant tooltip
	elem.one('remove.qtip-'+id+' removeqtip.qtip-'+id, function() { 
		var api; if((api = $(this).data(NAMESPACE))) { api.destroy(true); }
	});

	return obj;
}

// jQuery $.fn extension method
QTIP = $.fn.qtip = function(options, notation, newValue)
{
	var command = ('' + options).toLowerCase(), // Parse command
		returned = NULL,
		args = $.makeArray(arguments).slice(1),
		event = args[args.length - 1],
		opts = this[0] ? $.data(this[0], NAMESPACE) : NULL;

	// Check for API request
	if((!arguments.length && opts) || command === 'api') {
		return opts;
	}

	// Execute API command if present
	else if('string' === typeof options) {
		this.each(function() {
			var api = $.data(this, NAMESPACE);
			if(!api) { return TRUE; }

			// Cache the event if possible
			if(event && event.timeStamp) { api.cache.event = event; }

			// Check for specific API commands
			if(notation && (command === 'option' || command === 'options')) {
				if(newValue !== undefined || $.isPlainObject(notation)) {
					api.set(notation, newValue);
				}
				else {
					returned = api.get(notation);
					return FALSE;
				}
			}

			// Execute API command
			else if(api[command]) {
				api[command].apply(api, args);
			}
		});

		return returned !== NULL ? returned : this;
	}

	// No API commands. validate provided options and setup qTips
	else if('object' === typeof options || !arguments.length) {
		// Sanitize options first
		opts = sanitizeOptions($.extend(TRUE, {}, options));

		return this.each(function(i) {
			var api, id;

			// Find next available ID, or use custom ID if provided
			id = $.isArray(opts.id) ? opts.id[i] : opts.id;
			id = !id || id === FALSE || id.length < 1 || QTIP.api[id] ? QTIP.nextid++ : id;

			// Initialize the qTip and re-grab newly sanitized options
			api = init($(this), id, opts);
			if(api === FALSE) { return TRUE; }
			else { QTIP.api[id] = api; }

			// Initialize plugins
			$.each(PLUGINS, function() {
				if(this.initialize === 'initialize') { this(api); }
			});

			// Assign initial pre-render events
			api._assignInitialEvents(event);
		});
	}
};

// Expose class
$.qtip = QTip;

// Populated in render method
QTIP.api = {};
;$.each({
	/* Allow other plugins to successfully retrieve the title of an element with a qTip applied */
	attr: function(attr, val) {
		if(this.length) {
			var self = this[0],
				title = 'title',
				api = $.data(self, 'qtip');

			if(attr === title && api && 'object' === typeof api && api.options.suppress) {
				if(arguments.length < 2) {
					return $.attr(self, oldtitle);
				}

				// If qTip is rendered and title was originally used as content, update it
				if(api && api.options.content.attr === title && api.cache.attr) {
					api.set('content.text', val);
				}

				// Use the regular attr method to set, then cache the result
				return this.attr(oldtitle, val);
			}
		}

		return $.fn['attr'+replaceSuffix].apply(this, arguments);
	},

	/* Allow clone to correctly retrieve cached title attributes */
	clone: function(keepData) {
		var titles = $([]), title = 'title',

		// Clone our element using the real clone method
		elems = $.fn['clone'+replaceSuffix].apply(this, arguments);

		// Grab all elements with an oldtitle set, and change it to regular title attribute, if keepData is false
		if(!keepData) {
			elems.filter('['+oldtitle+']').attr('title', function() {
				return $.attr(this, oldtitle);
			})
			.removeAttr(oldtitle);
		}

		return elems;
	}
}, function(name, func) {
	if(!func || $.fn[name+replaceSuffix]) { return TRUE; }

	var old = $.fn[name+replaceSuffix] = $.fn[name];
	$.fn[name] = function() {
		return func.apply(this, arguments) || old.apply(this, arguments);
	};
});

/* Fire off 'removeqtip' handler in $.cleanData if jQuery UI not present (it already does similar).
 * This snippet is taken directly from jQuery UI source code found here:
 *     http://code.jquery.com/ui/jquery-ui-git.js
 */
if(!$.ui) {
	$['cleanData'+replaceSuffix] = $.cleanData;
	$.cleanData = function( elems ) {
		for(var i = 0, elem; (elem = $( elems[i] )).length; i++) {
			if(elem.attr(ATTR_HAS)) {
				try { elem.triggerHandler('removeqtip'); } 
				catch( e ) {}
			}
		}
		$['cleanData'+replaceSuffix].apply(this, arguments);
	};
}

;// qTip version
QTIP.version = '2.2.0';

// Base ID for all qTips
QTIP.nextid = 0;

// Inactive events array
QTIP.inactiveEvents = INACTIVE_EVENTS;

// Base z-index for all qTips
QTIP.zindex = 15000;

// Define configuration defaults
QTIP.defaults = {
	prerender: FALSE,
	id: FALSE,
	overwrite: TRUE,
	suppress: TRUE,
	content: {
		text: TRUE,
		attr: 'title',
		title: FALSE,
		button: FALSE
	},
	position: {
		my: 'top left',
		at: 'bottom right',
		target: FALSE,
		container: FALSE,
		viewport: FALSE,
		adjust: {
			x: 0, y: 0,
			mouse: TRUE,
			scroll: TRUE,
			resize: TRUE,
			method: 'flipinvert flipinvert'
		},
		effect: function(api, pos, viewport) {
			$(this).animate(pos, {
				duration: 200,
				queue: FALSE
			});
		}
	},
	show: {
		target: FALSE,
		event: 'mouseenter',
		effect: TRUE,
		delay: 90,
		solo: FALSE,
		ready: FALSE,
		autofocus: FALSE
	},
	hide: {
		target: FALSE,
		event: 'mouseleave',
		effect: TRUE,
		delay: 0,
		fixed: FALSE,
		inactive: FALSE,
		leave: 'window',
		distance: FALSE
	},
	style: {
		classes: '',
		widget: FALSE,
		width: FALSE,
		height: FALSE,
		def: TRUE
	},
	events: {
		render: NULL,
		move: NULL,
		show: NULL,
		hide: NULL,
		toggle: NULL,
		visible: NULL,
		hidden: NULL,
		focus: NULL,
		blur: NULL
	}
};

;var TIP, 

// .bind()/.on() namespace
TIPNS = '.qtip-tip',

// Common CSS strings
MARGIN = 'margin',
BORDER = 'border',
COLOR = 'color',
BG_COLOR = 'background-color',
TRANSPARENT = 'transparent',
IMPORTANT = ' !important',

// Check if the browser supports <canvas/> elements
HASCANVAS = !!document.createElement('canvas').getContext,

// Invalid colour values used in parseColours()
INVALID = /rgba?\(0, 0, 0(, 0)?\)|transparent|#123456/i;

// Camel-case method, taken from jQuery source
// http://code.jquery.com/jquery-1.8.0.js
function camel(s) { return s.charAt(0).toUpperCase() + s.slice(1); }

/*
 * Modified from Modernizr's testPropsAll()
 * http://modernizr.com/downloads/modernizr-latest.js
 */
var cssProps = {}, cssPrefixes = ["Webkit", "O", "Moz", "ms"];
function vendorCss(elem, prop) {
	var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
		props = (prop + ' ' + cssPrefixes.join(ucProp + ' ') + ucProp).split(' '),
		cur, val, i = 0;

	// If the property has already been mapped...
	if(cssProps[prop]) { return elem.css(cssProps[prop]); }

	while((cur = props[i++])) {
		if((val = elem.css(cur)) !== undefined) {
			return cssProps[prop] = cur, val;
		}
	}
}

// Parse a given elements CSS property into an int
function intCss(elem, prop) {
	return Math.ceil(parseFloat(vendorCss(elem, prop)));
}


// VML creation (for IE only)
if(!HASCANVAS) {
	var createVML = function(tag, props, style) {
		return '<qtipvml:'+tag+' xmlns="urn:schemas-microsoft.com:vml" class="qtip-vml" '+(props||'')+
			' style="behavior: url(#default#VML); '+(style||'')+ '" />';
	};
}

// Canvas only definitions
else {
	var PIXEL_RATIO = window.devicePixelRatio || 1,
		BACKING_STORE_RATIO = (function() {
			var context = document.createElement('canvas').getContext('2d');
			return context.backingStorePixelRatio || context.webkitBackingStorePixelRatio || context.mozBackingStorePixelRatio || 
					context.msBackingStorePixelRatio || context.oBackingStorePixelRatio || 1;
		}()),
		SCALE = PIXEL_RATIO / BACKING_STORE_RATIO;
}


function Tip(qtip, options) {
	this._ns = 'tip';
	this.options = options;
	this.offset = options.offset;
	this.size = [ options.width, options.height ];

	// Initialize
	this.init( (this.qtip = qtip) );
}

$.extend(Tip.prototype, {
	init: function(qtip) {
		var context, tip;

		// Create tip element and prepend to the tooltip
		tip = this.element = qtip.elements.tip = $('<div />', { 'class': NAMESPACE+'-tip' }).prependTo(qtip.tooltip);

		// Create tip drawing element(s)
		if(HASCANVAS) {
			// save() as soon as we create the canvas element so FF2 doesn't bork on our first restore()!
			context = $('<canvas />').appendTo(this.element)[0].getContext('2d');

			// Setup constant parameters
			context.lineJoin = 'miter';
			context.miterLimit = 100000;
			context.save();
		}
		else {
			context = createVML('shape', 'coordorigin="0,0"', 'position:absolute;');
			this.element.html(context + context);

			// Prevent mousing down on the tip since it causes problems with .live() handling in IE due to VML
			qtip._bind( $('*', tip).add(tip), ['click', 'mousedown'], function(event) { event.stopPropagation(); }, this._ns);
		}

		// Bind update events
		qtip._bind(qtip.tooltip, 'tooltipmove', this.reposition, this._ns, this);

		// Create it
		this.create();
	},

	_swapDimensions: function() {
		this.size[0] = this.options.height;
		this.size[1] = this.options.width;
	},
	_resetDimensions: function() {
		this.size[0] = this.options.width;
		this.size[1] = this.options.height;
	},

	_useTitle: function(corner) {
		var titlebar = this.qtip.elements.titlebar;
		return titlebar && (
			corner.y === TOP || (corner.y === CENTER && this.element.position().top + (this.size[1] / 2) + this.options.offset < titlebar.outerHeight(TRUE))
		);
	},

	_parseCorner: function(corner) {
		var my = this.qtip.options.position.my;

		// Detect corner and mimic properties
		if(corner === FALSE || my === FALSE) {
			corner = FALSE;
		}
		else if(corner === TRUE) {
			corner = new CORNER( my.string() );
		}
		else if(!corner.string) {
			corner = new CORNER(corner);
			corner.fixed = TRUE;
		}

		return corner;
	},

	_parseWidth: function(corner, side, use) {
		var elements = this.qtip.elements,
			prop = BORDER + camel(side) + 'Width';

		return (use ? intCss(use, prop) : (
			intCss(elements.content, prop) ||
			intCss(this._useTitle(corner) && elements.titlebar || elements.content, prop) ||
			intCss(elements.tooltip, prop)
		)) || 0;
	},

	_parseRadius: function(corner) {
		var elements = this.qtip.elements,
			prop = BORDER + camel(corner.y) + camel(corner.x) + 'Radius';

		return BROWSER.ie < 9 ? 0 :
			intCss(this._useTitle(corner) && elements.titlebar || elements.content, prop) || 
			intCss(elements.tooltip, prop) || 0;
	},

	_invalidColour: function(elem, prop, compare) {
		var val = elem.css(prop);
		return !val || (compare && val === elem.css(compare)) || INVALID.test(val) ? FALSE : val;
	},

	_parseColours: function(corner) {
		var elements = this.qtip.elements,
			tip = this.element.css('cssText', ''),
			borderSide = BORDER + camel(corner[ corner.precedance ]) + camel(COLOR),
			colorElem = this._useTitle(corner) && elements.titlebar || elements.content,
			css = this._invalidColour, color = [];

		// Attempt to detect the background colour from various elements, left-to-right precedance
		color[0] = css(tip, BG_COLOR) || css(colorElem, BG_COLOR) || css(elements.content, BG_COLOR) || 
			css(elements.tooltip, BG_COLOR) || tip.css(BG_COLOR);

		// Attempt to detect the correct border side colour from various elements, left-to-right precedance
		color[1] = css(tip, borderSide, COLOR) || css(colorElem, borderSide, COLOR) || 
			css(elements.content, borderSide, COLOR) || css(elements.tooltip, borderSide, COLOR) || elements.tooltip.css(borderSide);

		// Reset background and border colours
		$('*', tip).add(tip).css('cssText', BG_COLOR+':'+TRANSPARENT+IMPORTANT+';'+BORDER+':0'+IMPORTANT+';');

		return color;
	},

	_calculateSize: function(corner) {
		var y = corner.precedance === Y,
			width = this.options['width'],
			height = this.options['height'],
			isCenter = corner.abbrev() === 'c',
			base = (y ? width: height) * (isCenter ? 0.5 : 1),
			pow = Math.pow,
			round = Math.round,
			bigHyp, ratio, result,

		smallHyp = Math.sqrt( pow(base, 2) + pow(height, 2) ),
		hyp = [ (this.border / base) * smallHyp, (this.border / height) * smallHyp ];

		hyp[2] = Math.sqrt( pow(hyp[0], 2) - pow(this.border, 2) );
		hyp[3] = Math.sqrt( pow(hyp[1], 2) - pow(this.border, 2) );

		bigHyp = smallHyp + hyp[2] + hyp[3] + (isCenter ? 0 : hyp[0]);
		ratio = bigHyp / smallHyp;

		result = [ round(ratio * width), round(ratio * height) ];
		return y ? result : result.reverse();
	},

	// Tip coordinates calculator
	_calculateTip: function(corner, size, scale) {
		scale = scale || 1;
		size = size || this.size;

		var width = size[0] * scale,
			height = size[1] * scale,
			width2 = Math.ceil(width / 2), height2 = Math.ceil(height / 2),

		// Define tip coordinates in terms of height and width values
		tips = {
			br:	[0,0,		width,height,	width,0],
			bl:	[0,0,		width,0,		0,height],
			tr:	[0,height,	width,0,		width,height],
			tl:	[0,0,		0,height,		width,height],
			tc:	[0,height,	width2,0,		width,height],
			bc:	[0,0,		width,0,		width2,height],
			rc:	[0,0,		width,height2,	0,height],
			lc:	[width,0,	width,height,	0,height2]
		};

		// Set common side shapes
		tips.lt = tips.br; tips.rt = tips.bl;
		tips.lb = tips.tr; tips.rb = tips.tl;

		return tips[ corner.abbrev() ];
	},

	// Tip coordinates drawer (canvas)
	_drawCoords: function(context, coords) {
		context.beginPath();
		context.moveTo(coords[0], coords[1]);
		context.lineTo(coords[2], coords[3]);
		context.lineTo(coords[4], coords[5]);
		context.closePath();
	},

	create: function() {
		// Determine tip corner
		var c = this.corner = (HASCANVAS || BROWSER.ie) && this._parseCorner(this.options.corner);
		
		// If we have a tip corner...
		if( (this.enabled = !!this.corner && this.corner.abbrev() !== 'c') ) {
			// Cache it
			this.qtip.cache.corner = c.clone();

			// Create it
			this.update();
		}

		// Toggle tip element
		this.element.toggle(this.enabled);

		return this.corner;
	},

	update: function(corner, position) {
		if(!this.enabled) { return this; }

		var elements = this.qtip.elements,
			tip = this.element,
			inner = tip.children(),
			options = this.options,
			curSize = this.size,
			mimic = options.mimic,
			round = Math.round,
			color, precedance, context,
			coords, bigCoords, translate, newSize, border, BACKING_STORE_RATIO;

		// Re-determine tip if not already set
		if(!corner) { corner = this.qtip.cache.corner || this.corner; }

		// Use corner property if we detect an invalid mimic value
		if(mimic === FALSE) { mimic = corner; }

		// Otherwise inherit mimic properties from the corner object as necessary
		else {
			mimic = new CORNER(mimic);
			mimic.precedance = corner.precedance;

			if(mimic.x === 'inherit') { mimic.x = corner.x; }
			else if(mimic.y === 'inherit') { mimic.y = corner.y; }
			else if(mimic.x === mimic.y) {
				mimic[ corner.precedance ] = corner[ corner.precedance ];
			}
		}
		precedance = mimic.precedance;

		// Ensure the tip width.height are relative to the tip position
		if(corner.precedance === X) { this._swapDimensions(); }
		else { this._resetDimensions(); }

		// Update our colours
		color = this.color = this._parseColours(corner);

		// Detect border width, taking into account colours
		if(color[1] !== TRANSPARENT) {
			// Grab border width
			border = this.border = this._parseWidth(corner, corner[corner.precedance]);

			// If border width isn't zero, use border color as fill if it's not invalid (1.0 style tips)
			if(options.border && border < 1 && !INVALID.test(color[1])) { color[0] = color[1]; }

			// Set border width (use detected border width if options.border is true)
			this.border = border = options.border !== TRUE ? options.border : border;
		}

		// Border colour was invalid, set border to zero
		else { this.border = border = 0; }

		// Determine tip size
		newSize = this.size = this._calculateSize(corner);
		tip.css({
			width: newSize[0],
			height: newSize[1],
			lineHeight: newSize[1]+'px'
		});

		// Calculate tip translation
		if(corner.precedance === Y) {
			translate = [
				round(mimic.x === LEFT ? border : mimic.x === RIGHT ? newSize[0] - curSize[0] - border : (newSize[0] - curSize[0]) / 2),
				round(mimic.y === TOP ? newSize[1] - curSize[1] : 0)
			];
		}
		else {
			translate = [
				round(mimic.x === LEFT ? newSize[0] - curSize[0] : 0),
				round(mimic.y === TOP ? border : mimic.y === BOTTOM ? newSize[1] - curSize[1] - border : (newSize[1] - curSize[1]) / 2)
			];
		}

		// Canvas drawing implementation
		if(HASCANVAS) {
			// Grab canvas context and clear/save it
			context = inner[0].getContext('2d');
			context.restore(); context.save();
			context.clearRect(0,0,6000,6000);
			
			// Calculate coordinates
			coords = this._calculateTip(mimic, curSize, SCALE);
			bigCoords = this._calculateTip(mimic, this.size, SCALE);

			// Set the canvas size using calculated size
			inner.attr(WIDTH, newSize[0] * SCALE).attr(HEIGHT, newSize[1] * SCALE);
			inner.css(WIDTH, newSize[0]).css(HEIGHT, newSize[1]);

			// Draw the outer-stroke tip
			this._drawCoords(context, bigCoords);
			context.fillStyle = color[1];
			context.fill();

			// Draw the actual tip
			context.translate(translate[0] * SCALE, translate[1] * SCALE);
			this._drawCoords(context, coords);
			context.fillStyle = color[0];
			context.fill();
		}

		// VML (IE Proprietary implementation)
		else {
			// Calculate coordinates
			coords = this._calculateTip(mimic);

			// Setup coordinates string
			coords = 'm' + coords[0] + ',' + coords[1] + ' l' + coords[2] +
				',' + coords[3] + ' ' + coords[4] + ',' + coords[5] + ' xe';

			// Setup VML-specific offset for pixel-perfection
			translate[2] = border && /^(r|b)/i.test(corner.string()) ?
				BROWSER.ie === 8 ? 2 : 1 : 0;

			// Set initial CSS
			inner.css({
				coordsize: (newSize[0]+border) + ' ' + (newSize[1]+border),
				antialias: ''+(mimic.string().indexOf(CENTER) > -1),
				left: translate[0] - (translate[2] * Number(precedance === X)),
				top: translate[1] - (translate[2] * Number(precedance === Y)),
				width: newSize[0] + border,
				height: newSize[1] + border
			})
			.each(function(i) {
				var $this = $(this);

				// Set shape specific attributes
				$this[ $this.prop ? 'prop' : 'attr' ]({
					coordsize: (newSize[0]+border) + ' ' + (newSize[1]+border),
					path: coords,
					fillcolor: color[0],
					filled: !!i,
					stroked: !i
				})
				.toggle(!!(border || i));

				// Check if border is enabled and add stroke element
				!i && $this.html( createVML(
					'stroke', 'weight="'+(border*2)+'px" color="'+color[1]+'" miterlimit="1000" joinstyle="miter"'
				) );
			});
		}

		// Opera bug #357 - Incorrect tip position
		// https://github.com/Craga89/qTip2/issues/367
		window.opera && setTimeout(function() {
			elements.tip.css({
				display: 'inline-block',
				visibility: 'visible'
			});
		}, 1);

		// Position if needed
		if(position !== FALSE) { this.calculate(corner, newSize); }
	},

	calculate: function(corner, size) {
		if(!this.enabled) { return FALSE; }

		var self = this,
			elements = this.qtip.elements,
			tip = this.element,
			userOffset = this.options.offset,
			isWidget = elements.tooltip.hasClass('ui-widget'),
			position = {  },
			precedance, corners;

		// Inherit corner if not provided
		corner = corner || this.corner;
		precedance = corner.precedance;

		// Determine which tip dimension to use for adjustment
		size = size || this._calculateSize(corner);

		// Setup corners and offset array
		corners = [ corner.x, corner.y ];
		if(precedance === X) { corners.reverse(); }

		// Calculate tip position
		$.each(corners, function(i, side) {
			var b, bc, br;

			if(side === CENTER) {
				b = precedance === Y ? LEFT : TOP;
				position[ b ] = '50%';
				position[MARGIN+'-' + b] = -Math.round(size[ precedance === Y ? 0 : 1 ] / 2) + userOffset;
			}
			else {
				b = self._parseWidth(corner, side, elements.tooltip);
				bc = self._parseWidth(corner, side, elements.content);
				br = self._parseRadius(corner);

				position[ side ] = Math.max(-self.border, i ? bc : (userOffset + (br > b ? br : -b)));
			}
		});

		// Adjust for tip size
		position[ corner[precedance] ] -= size[ precedance === X ? 0 : 1 ];

		// Set and return new position
		tip.css({ margin: '', top: '', bottom: '', left: '', right: '' }).css(position);
		return position;
	},

	reposition: function(event, api, pos, viewport) {
		if(!this.enabled) { return; }

		var cache = api.cache,
			newCorner = this.corner.clone(),
			adjust = pos.adjusted,
			method = api.options.position.adjust.method.split(' '),
			horizontal = method[0],
			vertical = method[1] || method[0],
			shift = { left: FALSE, top: FALSE, x: 0, y: 0 },
			offset, css = {}, props;

		function shiftflip(direction, precedance, popposite, side, opposite) {
			// Horizontal - Shift or flip method
			if(direction === SHIFT && newCorner.precedance === precedance && adjust[side] && newCorner[popposite] !== CENTER) {
				newCorner.precedance = newCorner.precedance === X ? Y : X;
			}
			else if(direction !== SHIFT && adjust[side]){
				newCorner[precedance] = newCorner[precedance] === CENTER ? 
					(adjust[side] > 0 ? side : opposite) : (newCorner[precedance] === side ? opposite : side);
			}
		}

		function shiftonly(xy, side, opposite) {
			if(newCorner[xy] === CENTER) {
				css[MARGIN+'-'+side] = shift[xy] = offset[MARGIN+'-'+side] - adjust[side];
			}
			else {
				props = offset[opposite] !== undefined ?
					[ adjust[side], -offset[side] ] : [ -adjust[side], offset[side] ];

				if( (shift[xy] = Math.max(props[0], props[1])) > props[0] ) {
					pos[side] -= adjust[side];
					shift[side] = FALSE;
				}
				
				css[ offset[opposite] !== undefined ? opposite : side ] = shift[xy];
			}
		}

		// If our tip position isn't fixed e.g. doesn't adjust with viewport...
		if(this.corner.fixed !== TRUE) {
			// Perform shift/flip adjustments
			shiftflip(horizontal, X, Y, LEFT, RIGHT);
			shiftflip(vertical, Y, X, TOP, BOTTOM);

			// Update and redraw the tip if needed (check cached details of last drawn tip)
			if(newCorner.string() !== cache.corner.string() && (cache.cornerTop !== adjust.top || cache.cornerLeft !== adjust.left)) {
				this.update(newCorner, FALSE);
			}
		}

		// Setup tip offset properties
		offset = this.calculate(newCorner);

		// Readjust offset object to make it left/top
		if(offset.right !== undefined) { offset.left = -offset.right; }
		if(offset.bottom !== undefined) { offset.top = -offset.bottom; }
		offset.user = this.offset;

		// Perform shift adjustments
		if(shift.left = (horizontal === SHIFT && !!adjust.left)) { shiftonly(X, LEFT, RIGHT); }
		if(shift.top = (vertical === SHIFT && !!adjust.top)) { shiftonly(Y, TOP, BOTTOM); }

		/*
		* If the tip is adjusted in both dimensions, or in a
		* direction that would cause it to be anywhere but the
		* outer border, hide it!
		*/
		this.element.css(css).toggle(
			!((shift.x && shift.y) || (newCorner.x === CENTER && shift.y) || (newCorner.y === CENTER && shift.x))
		);

		// Adjust position to accomodate tip dimensions
		pos.left -= offset.left.charAt ? offset.user : 
			horizontal !== SHIFT || shift.top || !shift.left && !shift.top ? offset.left + this.border : 0;
		pos.top -= offset.top.charAt ? offset.user : 
			vertical !== SHIFT || shift.left || !shift.left && !shift.top ? offset.top + this.border : 0;

		// Cache details
		cache.cornerLeft = adjust.left; cache.cornerTop = adjust.top;
		cache.corner = newCorner.clone();
	},

	destroy: function() {
		// Unbind events
		this.qtip._unbind(this.qtip.tooltip, this._ns);

		// Remove the tip element(s)
		if(this.qtip.elements.tip) {
			this.qtip.elements.tip.find('*')
				.remove().end().remove();
		}
	}
});

TIP = PLUGINS.tip = function(api) {
	return new Tip(api, api.options.style.tip);
};

// Initialize tip on render
TIP.initialize = 'render';

// Setup plugin sanitization options
TIP.sanitize = function(options) {
	if(options.style && 'tip' in options.style) {
		var opts = options.style.tip;
		if(typeof opts !== 'object') { opts = options.style.tip = { corner: opts }; }
		if(!(/string|boolean/i).test(typeof opts.corner)) { opts.corner = TRUE; }
	}
};

// Add new option checks for the plugin
CHECKS.tip = {
	'^position.my|style.tip.(corner|mimic|border)$': function() {
		// Make sure a tip can be drawn
		this.create();
		
		// Reposition the tooltip
		this.qtip.reposition();
	},
	'^style.tip.(height|width)$': function(obj) {
		// Re-set dimensions and redraw the tip
		this.size = [ obj.width, obj.height ];
		this.update();

		// Reposition the tooltip
		this.qtip.reposition();
	},
	'^content.title|style.(classes|widget)$': function() {
		this.update();
	}
};

// Extend original qTip defaults
$.extend(TRUE, QTIP.defaults, {
	style: {
		tip: {
			corner: TRUE,
			mimic: FALSE,
			width: 6,
			height: 6,
			border: TRUE,
			offset: 0
		}
	}
});

;PLUGINS.viewport = function(api, position, posOptions, targetWidth, targetHeight, elemWidth, elemHeight)
{
	var target = posOptions.target,
		tooltip = api.elements.tooltip,
		my = posOptions.my,
		at = posOptions.at,
		adjust = posOptions.adjust,
		method = adjust.method.split(' '),
		methodX = method[0],
		methodY = method[1] || method[0],
		viewport = posOptions.viewport,
		container = posOptions.container,
		cache = api.cache,
		adjusted = { left: 0, top: 0 },
		fixed, newMy, newClass, containerOffset, containerStatic,
		viewportWidth, viewportHeight, viewportScroll, viewportOffset;

	// If viewport is not a jQuery element, or it's the window/document, or no adjustment method is used... return
	if(!viewport.jquery || target[0] === window || target[0] === document.body || adjust.method === 'none') {
		return adjusted;
	}

	// Cach container details
	containerOffset = container.offset() || adjusted;
	containerStatic = container.css('position') === 'static';

	// Cache our viewport details
	fixed = tooltip.css('position') === 'fixed';
	viewportWidth = viewport[0] === window ? viewport.width() : viewport.outerWidth(FALSE);
	viewportHeight = viewport[0] === window ? viewport.height() : viewport.outerHeight(FALSE);
	viewportScroll = { left: fixed ? 0 : viewport.scrollLeft(), top: fixed ? 0 : viewport.scrollTop() };
	viewportOffset = viewport.offset() || adjusted;

	// Generic calculation method
	function calculate(side, otherSide, type, adjust, side1, side2, lengthName, targetLength, elemLength) {
		var initialPos = position[side1],
			mySide = my[side],
			atSide = at[side],
			isShift = type === SHIFT,
			myLength = mySide === side1 ? elemLength : mySide === side2 ? -elemLength : -elemLength / 2,
			atLength = atSide === side1 ? targetLength : atSide === side2 ? -targetLength : -targetLength / 2,
			sideOffset = viewportScroll[side1] + viewportOffset[side1] - (containerStatic ? 0 : containerOffset[side1]),
			overflow1 = sideOffset - initialPos,
			overflow2 = initialPos + elemLength - (lengthName === WIDTH ? viewportWidth : viewportHeight) - sideOffset,
			offset = myLength - (my.precedance === side || mySide === my[otherSide] ? atLength : 0) - (atSide === CENTER ? targetLength / 2 : 0);

		// shift
		if(isShift) {
			offset = (mySide === side1 ? 1 : -1) * myLength;

			// Adjust position but keep it within viewport dimensions
			position[side1] += overflow1 > 0 ? overflow1 : overflow2 > 0 ? -overflow2 : 0;
			position[side1] = Math.max(
				-containerOffset[side1] + viewportOffset[side1],
				initialPos - offset,
				Math.min(
					Math.max(
						-containerOffset[side1] + viewportOffset[side1] + (lengthName === WIDTH ? viewportWidth : viewportHeight),
						initialPos + offset
					),
					position[side1],

					// Make sure we don't adjust complete off the element when using 'center'
					mySide === 'center' ? initialPos - myLength : 1E9
				)
			);

		}

		// flip/flipinvert
		else {
			// Update adjustment amount depending on if using flipinvert or flip
			adjust *= (type === FLIPINVERT ? 2 : 0);

			// Check for overflow on the left/top
			if(overflow1 > 0 && (mySide !== side1 || overflow2 > 0)) {
				position[side1] -= offset + adjust;
				newMy.invert(side, side1);
			}

			// Check for overflow on the bottom/right
			else if(overflow2 > 0 && (mySide !== side2 || overflow1 > 0)  ) {
				position[side1] -= (mySide === CENTER ? -offset : offset) + adjust;
				newMy.invert(side, side2);
			}

			// Make sure we haven't made things worse with the adjustment and reset if so
			if(position[side1] < viewportScroll && -position[side1] > overflow2) {
				position[side1] = initialPos; newMy = my.clone();
			}
		}

		return position[side1] - initialPos;
	}

	// Set newMy if using flip or flipinvert methods
	if(methodX !== 'shift' || methodY !== 'shift') { newMy = my.clone(); }

	// Adjust position based onviewport and adjustment options
	adjusted = {
		left: methodX !== 'none' ? calculate( X, Y, methodX, adjust.x, LEFT, RIGHT, WIDTH, targetWidth, elemWidth ) : 0,
		top: methodY !== 'none' ? calculate( Y, X, methodY, adjust.y, TOP, BOTTOM, HEIGHT, targetHeight, elemHeight ) : 0
	};

	// Set tooltip position class if it's changed
	if(newMy && cache.lastClass !== (newClass = NAMESPACE + '-pos-' + newMy.abbrev())) {
		tooltip.removeClass(api.cache.lastClass).addClass( (api.cache.lastClass = newClass) );
	}

	return adjusted;
};
;}));
}( window, document ));