jquery.qtip.js

/*
* qTip2 - Pretty powerful tooltips
* http://craigsworks.com/projects/qtip2/
*
* Version: nightly
* Copyright 2009-2010 Craig Michael Thompson - http://craigsworks.com
*
* Dual licensed under MIT or GPLv2 licenses
*   http://en.wikipedia.org/wiki/MIT_License
*   http://en.wikipedia.org/wiki/GNU_General_Public_License
*
* Date: Mon Nov 21 13:18:18.0000000000 2011
*/

/*jslint browser: true, onevar: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: true */
/*global window: false, jQuery: false, console: false */


(function($, window, undefined) {

	"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,
		
		// Shortcut vars
		QTIP, PLUGINS, MOUSE,
		usedIDs = {},
		uitooltip = 'ui-tooltip',
		widget = 'ui-widget',
		disabled = 'ui-state-disabled',
		selector = 'div.qtip.'+uitooltip,
		defaultClass = uitooltip + '-default',
		focusClass = uitooltip + '-focus',
		hoverClass = uitooltip + '-hover',
		fluidClass = uitooltip + '-fluid',
		hideOffset = '-31000px',
		replaceSuffix = '_replacedByqTip',
		oldtitle = 'oldtitle',
		trackingBound;
		
	/* Thanks to Paul Irish for this one: http://paulirish.com/2009/log-a-lightweight-wrapper-for-consolelog/ */
	function log() {
		log.history = log.history || [];
		log.history.push(arguments);
		
		// Make sure console is present
		if('object' === typeof console) {

			// Setup console and arguments
			var c = console[ console.warn ? 'warn' : 'log' ],
			args = Array.prototype.slice.call(arguments), a;

			// Add qTip2 marker to first argument if it's a string
			if(typeof arguments[0] === 'string') { args[0] = 'qTip2: ' + args[0]; }

			// Apply console.warn or .log if not supported
			a = c.apply ? c.apply(console, args) : c(args);
		}
	}

// Option object sanitizer
function sanitizeOptions(opts)
{
	var content;

	if(!opts || 'object' !== typeof opts) { return FALSE; }

	if(opts.metadata === NULL || 'object' !== typeof opts.metadata) {
		opts.metadata = {
			type: opts.metadata
		};
	}

	if('content' in opts) {
		if(opts.content === NULL || 'object' !== typeof opts.content || opts.content.jquery) {
			opts.content = {
				text: opts.content
			};
		}

		content = opts.content.text || FALSE;
		if(!$.isFunction(content) && ((!content && !content.attr) || content.length < 1 || ('object' === typeof content && !content.jquery))) {
			opts.content.text = FALSE;
		}

		if('title' in opts.content) {
			if(opts.content.title === NULL || 'object' !== typeof opts.content.title) {
				opts.content.title = {
					text: opts.content.title
				};
			}

			content = opts.content.title.text || FALSE;
			if(!$.isFunction(content) && ((!content && !content.attr) || content.length < 1 || ('object' === typeof content && !content.jquery))) {
				opts.content.title.text = FALSE;
			}
		}
	}

	if('position' in opts) {
		if(opts.position === NULL || 'object' !== typeof opts.position) {
			opts.position = {
				my: opts.position,
				at: opts.position
			};
		}
	}

	if('show' in opts) {
		if(opts.show === NULL || 'object' !== typeof opts.show) {
			if(opts.show.jquery) {
				opts.show = { target: opts.show };
			}
			else {
				opts.show = { event: opts.show };
			}
		}
	}

	if('hide' in opts) {
		if(opts.hide === NULL || 'object' !== typeof opts.hide) {
			if(opts.hide.jquery) {
				opts.hide = { target: opts.hide };
			}
			else {
				opts.hide = { event: opts.hide };
			}
		}
	}

	if('style' in opts) {
		if(opts.style === NULL || 'object' !== typeof opts.style) {
			opts.style = {
				classes: opts.style
			};
		}
	}

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

/*
* Core plugin implementation
*/
function QTip(target, options, id, attr)
{
	// Declare this reference
	var self = this,
		docBody = document.body,
		tooltipID = uitooltip + '-' + id,
		isPositioning = 0,
		isDrawing = 0,
		tooltip = $(),
		namespace = '.qtip-' + id,
		elements, cache;

	// Setup class attributes
	self.id = id;
	self.rendered = FALSE;
	self.elements = elements = { target: target };
	self.timers = { img: {} };
	self.options = options;
	self.checks = {};
	self.plugins = {};
	self.cache = cache = {
		event: {},
		target: $(),
		disabled: FALSE,
		attr: attr
	};

	/*
	* Private core functions
	*/
	function convertNotation(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()];
	}

	function setWidget() {
		var on = options.style.widget;

		tooltip.toggleClass(widget, on).toggleClass(defaultClass, !on);
		elements.content.toggleClass(widget+'-content', on);
		
		if(elements.titlebar){
			elements.titlebar.toggleClass(widget+'-header', on);
		}
		if(elements.button){
			elements.button.toggleClass(uitooltip+'-icon', !on);
		}
	}

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

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

	function createButton()
	{
		var button = options.content.title.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': 'ui-state-default ui-tooltip-close ' + (options.style.widget ? '' : uitooltip+'-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)
			.attr('role', 'button')
			.click(function(event) {
				if(!tooltip.hasClass(disabled)) { self.hide(event); }
				return FALSE;
			});

		// Redraw the tooltip when we're done
		self.redraw();
	}

	function createTitle()
	{
		var id = tooltipID+'-title';

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

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

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

		// Create button if enabled
		if(options.content.title.button) { createButton(); }

		// Redraw the tooltip dimensions if it's rendered
		else if(self.rendered){ self.redraw(); } 
	}

	function updateButton(button)
	{
		var elem = elements.button,
			title = elements.title;

		// Make sure tooltip is rendered and if not, return
		if(!self.rendered) { return FALSE; }

		if(!button) {
			elem.remove();
		}
		else {
			if(!title) {
				createTitle();
			}
			createButton();
		}
	}

	function updateTitle(content, reposition)
	{
		var elem = elements.title;

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

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

		// Remove title if callback returns false
		if(content === FALSE) { return removeTitle(FALSE); }

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

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

		// Redraw and reposition
		self.redraw();
		if(reposition !== FALSE && self.rendered && tooltip.is(':visible')) {
			self.reposition(cache.event);
		}
	}

	function updateContent(content, reposition)
	{
		var elem = elements.content;

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

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

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

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

		// Image detection
		function detectImages(next) {
			var images, srcs = {};

			function imageLoad(image) {
				// Clear src from object and any timers and events associated with the image
				if(image) {
					delete srcs[image.src];
					clearTimeout(self.timers.img[image.src]);
					$(image).unbind(namespace);
				}

				// If queue is empty after image removal, update tooltip and continue the queue
				if($.isEmptyObject(srcs)) {
					self.redraw();
					if(reposition !== FALSE) {
						self.reposition(cache.event);
					}
					
					next();
				}
			}

			// Find all content images without dimensions, and if no images were found, continue
			if((images = elem.find('img:not([height]):not([width])')).length === 0) { return imageLoad(); }

			// Apply timer to each image to poll for dimensions
			images.each(function(i, elem) {
				// Skip if the src is already present
				if(srcs[elem.src] !== undefined) { return; }

        // Keep track of how many times we poll for image dimensions.
        // If it doesn't return in a reasonable amount of time, it's better
        // to display the tooltip, rather than hold up the queue.
        var iterations = 0, maxIterations = 3;

				(function timer(){
					// When the dimensions are found, remove the image from the queue
					if(elem.height || elem.width || (iterations > maxIterations)) { return imageLoad(elem); }

          iterations += 1;

					// Restart timer
					self.timers.img[elem.src] = setTimeout(timer, 700);
				}());  

				// Also apply regular load/error event handlers
				$(elem).bind('error'+namespace+' load'+namespace, function(){ imageLoad(this); });

				// Store the src and element in our object
				srcs[elem.src] = elem;
			});
		}

		/*
		 * If we're still rendering... insert into 'fx' queue our image dimension
		 * checker which will halt the showing of the tooltip until image dimensions
		 * can be detected properly.
		 */
		if(self.rendered < 0) { tooltip.queue('fx', detectImages); }

		// We're fully rendered, so reset isDrawing flag and proceed without queue delay
		else { isDrawing = 0; detectImages($.noop); }

		return self;
	}

	function assignEvents()
	{
		var posOptions = options.position,
			targets = {
				show: options.show.target,
				hide: options.hide.target,
				viewport: $(posOptions.viewport),
				document: $(document),
				body: $(document.body),
				window: $(window)
			},
			events = {
				show: $.trim('' + options.show.event).split(' '),
				hide: $.trim('' + options.hide.event).split(' ')
			},
			IE6 = $.browser.msie && parseInt($.browser.version, 10) === 6;

		// Define show event method
		function showMethod(event)
		{
			if(tooltip.hasClass(disabled)) { return FALSE; }

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

			// Start show timer
			var callback = function(){ self.toggle(TRUE, event); };
			if(options.show.delay > 0) {
				self.timers.show = setTimeout(callback, options.show.delay);
			}
			else{ callback(); }
		}

		// Define hide method
		function hideMethod(event)
		{
			if(tooltip.hasClass(disabled) || isPositioning || isDrawing) { return FALSE; }

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

			// Clear timers and stop animation queue
			clearTimeout(self.timers.show);
			clearTimeout(self.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((posOptions.target === 'mouse' && ontoTooltip) || (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
			if(options.hide.delay > 0) {
				self.timers.hide = setTimeout(function(){ self.hide(event); }, options.hide.delay);
			}
			else{ self.hide(event); }
		}

		// Define inactive method
		function inactiveMethod(event)
		{
			if(tooltip.hasClass(disabled)) { return FALSE; }

			// Clear timer
			clearTimeout(self.timers.inactive);
			self.timers.inactive = setTimeout(function(){ self.hide(event); }, options.hide.inactive);
		}

		function repositionMethod(event) {
			if(tooltip.is(':visible')) { self.reposition(event); }
		}

		// On mouseenter/mouseleave...
		tooltip.bind('mouseenter'+namespace+' mouseleave'+namespace, function(event) {
			var state = event.type === 'mouseenter';

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

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

		// Enable hide.fixed
		if(options.hide.fixed) {
			// Add tooltip as a hide target
			targets.hide = targets.hide.add(tooltip);

			// Clear hide timer on tooltip hover to prevent it from closing
			tooltip.bind('mouseover'+namespace, function() {
				if(!tooltip.hasClass(disabled)) { clearTimeout(self.timers.hide); }
			});
		}

		// If using mouseout/mouseleave as a hide event...
		if(/mouse(out|leave)/i.test(options.hide.event)) {
			// Hide tooltips when leaving current window/frame (but not select/option elements)
			if(options.hide.leave === 'window') {
				targets.window.bind('mouseout'+namespace+' blur'+namespace, function(event) {
					if(/select|option/.test(event.target) && !event.relatedTarget) { self.hide(event); }
				});
			}
		}

		/*
		 * 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)) {
			targets.hide.bind('mouseleave'+namespace, function(event) {
				clearTimeout(self.timers.show);
			});
		}

		// Hide tooltip on document mousedown if unfocus events are enabled
		if(('' + options.hide.event).indexOf('unfocus') > -1) {
			targets.body.bind('mousedown'+namespace, function(event) {
				var $target = $(event.target),
					enabled = !tooltip.hasClass(disabled) && tooltip.is(':visible');

				if($target[0] !== tooltip[0] && $target.parents(selector).length === 0 && $target.add(target).length > 1 && !$target.attr('disabled')) {
					self.hide(event);
				}
			});
		}

		// Check if the tooltip hides when inactive
		if('number' === typeof options.hide.inactive) {
			// Bind inactive method to target as a custom event
			targets.show.bind('qtip-'+id+'-inactive', inactiveMethod);
			
			// Define events which reset the 'inactive' event handler
			$.each(QTIP.inactiveEvents, function(index, type){
				targets.hide.add(elements.tooltip).bind(type+namespace+'-inactive', inactiveMethod);
			});
		}

		// Apply hide events
		$.each(events.hide, function(index, type) {
			var showIndex = $.inArray(type, events.show),
					targetHide = $(targets.hide);

			// Both events and targets are identical, apply events using a toggle
			if((showIndex > -1 && targetHide.add(targets.show).length === targetHide.length) || type === 'unfocus')
			{
				targets.show.bind(type+namespace, function(event) {
					if(tooltip.is(':visible')) { hideMethod(event); }
					else { showMethod(event); }
				});

				// Don't bind the event again
				delete events.show[ showIndex ];
			}

			// Events are not identical, bind normally
			else { targets.hide.bind(type+namespace, hideMethod); }
		});

		// Apply show events
		$.each(events.show, function(index, type) {
			targets.show.bind(type+namespace, showMethod);
		});

		// Check if the tooltip hides when mouse is moved a certain distance
		if('number' === typeof options.hide.distance) {
			// Bind mousemove to target to detect distance difference
			targets.show.add(tooltip).bind('mousemove'+namespace, function(event) {
				var origin = cache.origin || {},
					limit = 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) {
					self.hide(event);
				}
			});
		}

		// Mouse positioning events
		if(posOptions.target === 'mouse') {
			// Cache mousemove coords on show targets
			targets.show.bind('mousemove'+namespace, function(event) {
				MOUSE = { pageX: event.pageX, pageY: event.pageY, type: 'mousemove' };
			});

			// 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) {
					tooltip.bind('mouseleave'+namespace, function(event) {
						if((event.relatedTarget || event.target) !== targets.show[0]) { self.hide(event); }
					});
				}

				// Update tooltip position on mousemove
				targets.document.bind('mousemove'+namespace, function(event) {
					// Update the tooltip position only if the tooltip is visible and adjustment is enabled
					if(!tooltip.hasClass(disabled) && tooltip.is(':visible')) {
						self.reposition(event || MOUSE);
					}
				});
			}
		}

		// Adjust positions of the tooltip on window resize if enabled
		if(posOptions.adjust.resize || targets.viewport.length) {
			($.event.special.resize ? targets.viewport : targets.window).bind('resize'+namespace, repositionMethod);
		}

		// Adjust tooltip position on scroll if screen adjustment is enabled
		if(targets.viewport.length || (IE6 && tooltip.css('position') === 'fixed')) {
			targets.viewport.bind('scroll'+namespace, repositionMethod);
		}
	}

	function unassignEvents()
	{
		var targets = [
				options.show.target[0],
				options.hide.target[0],
				self.rendered && elements.tooltip[0],
				options.position.container[0],
				options.position.viewport[0],
				window,
				document
			];

		// Check if tooltip is rendered
		if(self.rendered) {
			$([]).pushStack( $.grep(targets, function(i){ return typeof i === 'object'; }) ).unbind(namespace);
		}

		// Tooltip isn't yet rendered, remove render event
		else { options.show.target.unbind(namespace+'-create'); }
	}

	// Setup builtin .set() option checks
	self.checks.builtin = {
		// Core checks
		'^id$': function(obj, o, v) {
			var id = v === TRUE ? QTIP.nextid : v,
				tooltipID = uitooltip + '-' + id;

			if(id !== FALSE && id.length > 0 && !$('#'+tooltipID).length) {
				tooltip[0].id = tooltipID;
				elements.content[0].id = tooltipID + '-content';
				elements.title[0].id = tooltipID + '-title';
			}
		},

		// Content checks
		'^content.text$': function(obj, o, v){ updateContent(v); },
		'^content.title.text$': function(obj, o, v) {
			// Remove title if content is null
			if(!v) { return removeTitle(); }

			// If title isn't already created, create it now and update
			if(!elements.title && v) { createTitle(); }
			updateTitle(v);
		},
		'^content.title.button$': function(obj, o, v){ updateButton(v); },

		// Position checks
		'^position.(my|at)$': function(obj, o, v){
			// Parse new corner value into Corner objecct
			if('string' === typeof v) {
				obj[o] = new PLUGINS.Corner(v);
			}
		},
		'^position.container$': function(obj, o, v){
			if(self.rendered) { tooltip.appendTo(v); }
		},

		// Show checks
		'^show.ready$': function() {
			if(!self.rendered) { self.render(1); }
			else { self.toggle(TRUE); }
		},

		// Style checks
		'^style.classes$': function(obj, o, v) { 
			tooltip.attr('class', uitooltip + ' qtip ui-helper-reset ' + v);
		},
		'^style.widget|content.title': setWidget,

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

		// Properties which require event reassignment
		'^(show|hide|position).(event|target|fixed|inactive|leave|distance|viewport|adjust)': function() {
			var posOptions = options.position;

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

			// Reassign events
			unassignEvents(); assignEvents();
		}
	};

	/*
	* Public API methods
	*/
	$.extend(self, {
		render: function(show)
		{
			if(self.rendered) { return self; } // If tooltip has already been rendered, exit

			var text = options.content.text,
				title = options.content.title.text,
				posOptions = options.position,
				callback = $.Event('tooltiprender');

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

			// Create tooltip element
			tooltip = elements.tooltip = $('<div/>', {
					'id': tooltipID,
					'class': uitooltip + ' qtip ui-helper-reset ' + defaultClass + ' ' + options.style.classes + ' '+ uitooltip + '-pos-' + options.position.my.abbrev(),
					'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': tooltipID + '-content',
					'aria-hidden': TRUE
				})
				.toggleClass(disabled, cache.disabled)
				.data('qtip', self)
				.appendTo(options.position.container)
				.append(
					// Create content element
					elements.content = $('<div />', {
						'class': uitooltip + '-content',
						'id': tooltipID + '-content',
						'aria-atomic': TRUE
					})
				);

			// Set rendered flag and prevent redundant redraw/reposition calls for now
			self.rendered = -1;
			isDrawing = 1; isPositioning = 1;

			// Create title...
			if(title) { 
				createTitle();

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

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

			// Setup widget classes
			setWidget();

			// Assign passed event callbacks (before plugins!)
			$.each(options.events, function(name, callback) {
				if($.isFunction(callback)) {
					tooltip.bind(name === 'toggle' ? 'tooltipshow tooltiphide' : 'tooltip'+name, callback);
				}
			});

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

			// Assign events
			assignEvents();

			/* Queue this part of the render process in our fx queue so we can
			 * load images before the tooltip renders fully.
			 *
			 * See: updateContent method
			*/
			tooltip.queue('fx', function(next) {
				// Trigger tooltiprender event and pass original triggering event as original
				callback.originalEvent = cache.event;
				tooltip.trigger(callback, [self]);

				// Reset flags
				isDrawing = 0; isPositioning = 0;

				// Redraw the tooltip manually now we're fully rendered
				self.redraw();

				// Show tooltip if needed
				if(options.show.ready || show) {
					self.toggle(TRUE, cache.event);
				}

				next(); // Move on to next method in queue
			});

			return self;
		},

		get: function(notation)
		{
			var result, o;

			switch(notation.toLowerCase())
			{
				case 'dimensions':
					result = {
						height: tooltip.outerHeight(), width: tooltip.outerWidth()
					};
				break;

				case 'offset':
					result = PLUGINS.offset(tooltip, options.position.container);
				break;

				default:
					o = convertNotation(notation.toLowerCase());
					result = o[0][ o[1] ];
					result = result.precedance ? result.string() : result;
				break;
			}

			return result;
		},

		set: function(option, value)
		{
			var rmove = /^position\.(my|at|adjust|target|container)|style|content|show\.ready/i,
				rdraw = /^content\.(title|attr)|style/i,
				reposition = FALSE,
				redraw = FALSE,
				checks = self.checks,
				name;

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

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

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

			// Set all of the defined options to their new values
			$.each(option, function(notation, value) {
				var obj = convertNotation( notation.toLowerCase() ), previous;

				// Set new obj value
				previous = obj[0][ obj[1] ];
				obj[0][ obj[1] ] = 'object' === typeof value && value.nodeType ? $(value) : value;

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

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

			// Re-sanitize options
			sanitizeOptions(options);

			/*
			 * Execute any valid callbacks for the set options
			 * Also set isPositioning/isDrawing so we don't get loads of redundant repositioning
			 * and redraw calls.
			 */
			isPositioning = isDrawing = 1; $.each(option, callback); isPositioning = isDrawing = 0;

			// Update position / redraw if needed
			if(tooltip.is(':visible') && self.rendered) {
				if(reposition) {
					self.reposition( options.position.target === 'mouse' ? NULL : cache.event );
				}
				if(redraw) { self.redraw(); }
			}

			return self;
		},

		toggle: function(state, event)
		{
			// Render the tooltip if showing and it isn't already
			if(!self.rendered) { return state ? self.render(1) : self; }

			var type = state ? 'show' : 'hide',
				opts = options[type],
				visible = tooltip.is(':visible'),
				sameTarget = !event || options[type].target.length < 2 || cache.target[0] === event.target,
				posOptions = options.position,
				contentOptions = options.content,
				delay,
				callback;

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

			// Return if element is already in correct state
			if(!tooltip.is(':animated') && visible === state && sameTarget) { return self; }

			// Try to prevent flickering when tooltip overlaps show element
			if(event) {
				if((/over|enter/).test(event.type) && (/out|leave/).test(cache.event.type) &&
					event.target === options.show.target[0] && tooltip.has(event.relatedTarget).length) {
					return self;
				}

				// Cache event
				cache.event = $.extend({}, event);
			}

			// Call API methods
			callback = $.Event('tooltip'+type);
			callback.originalEvent = event ? cache.event : NULL;
			tooltip.trigger(callback, [self, 90]);
			if(callback.isDefaultPrevented()){ return self; }

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

			// Execute state specific properties
			if(state) {
				// Store show origin coordinates
				cache.origin = $.extend({}, MOUSE);

				// Focus the tooltip
				self.focus(event);

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

				// Cache mousemove events for positioning purposes (if not already tracking)
				if(!trackingBound && posOptions.target === 'mouse' && posOptions.adjust.mouse) {
					$(document).bind('mousemove.qtip', function(event) {
						MOUSE = { pageX: event.pageX, pageY: event.pageY, type: 'mousemove' };
					});
					trackingBound = TRUE;
				}

				// Update the tooltip position
				self.reposition(event);

				// Hide other tooltips if tooltip is solo, using it as the context
				if((callback.solo = !!opts.solo)) { $(selector, opts.solo).not(tooltip).qtip('hide', callback); }
			}
			else {
				// Clear show timer if we're hiding 
				clearTimeout(self.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.qtip');
					trackingBound = FALSE;
				}
				
				// Blur the tooltip
				self.blur(event);
			}

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

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

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

					// Call API method
					callback = $.Event('tooltipvisible');
					callback.originalEvent = event ? cache.event : NULL;
					tooltip.trigger(callback, [self]);

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

			// Clear animation queue if same target
			if(sameTarget) { tooltip.stop(0, 1); }

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

			// Use custom function if provided
			else if($.isFunction(opts.effect)) {
				opts.effect.call(tooltip, self);
				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-'+id+'-inactive'); }

			return self;
		},

		show: function(event){ return self.toggle(TRUE, event); },

		hide: function(event){ return self.toggle(FALSE, event); },

		focus: function(event)
		{
			if(!self.rendered) { return self; }

			var qtips = $(selector),
				curIndex = parseInt(tooltip[0].style.zIndex, 10),
				newIndex = QTIP.zindex + qtips.length,
				cachedEvent = $.extend({}, event),
				focusedElem, callback;

			// Only update the z-index if it has changed and tooltip is not already focused
			if(!tooltip.hasClass(focusClass))
			{
				// Call API method
				callback = $.Event('tooltipfocus');
				callback.originalEvent = cachedEvent;
				tooltip.trigger(callback, [self, newIndex]);

				// If default action wasn't prevented...
				if(!callback.isDefaultPrevented()) {
					// 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('.' + focusClass).qtip('blur', cachedEvent);
					}

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

			return self;
		},

		blur: function(event) {
			var cachedEvent = $.extend({}, event),
				callback;

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

			// Trigger blur event
			callback = $.Event('tooltipblur');
			callback.originalEvent = cachedEvent;
			tooltip.trigger(callback, [self]);

			return self;
		},

		reposition: function(event, effect)
		{
			if(!self.rendered || isPositioning) { return self; }

			// Set positioning flag
			isPositioning = 1;
	
			var target = options.position.target,
				posOptions = options.position,
				my = posOptions.my, 
				at = posOptions.at,
				adjust = posOptions.adjust,
				method = adjust.method.split(' '),
				elemWidth = tooltip.outerWidth(),
				elemHeight = tooltip.outerHeight(),
				targetWidth = 0,
				targetHeight = 0,
				callback = $.Event('tooltipmove'),
				fixed = tooltip.css('position') === 'fixed',
				viewport = posOptions.viewport,
				position = { left: 0, top: 0 },
				container = posOptions.container,
				flipoffset = FALSE,
				tip = self.plugins.tip,
				readjust = {
					// Axis detection and readjustment indicator
					horizontal: method[0],
					vertical: (method[1] = method[1] || method[0]),
					enabled: viewport.jquery && target[0] !== window && target[0] !== docBody && adjust.method !== 'none',
			 
					// Reposition methods
					left: function(posLeft) {
						var isShift = readjust.horizontal === 'shift',
							viewportScroll = -container.offset.left + viewport.offset.left + viewport.scrollLeft,
							myWidth = my.x === 'left' ? elemWidth : my.x === 'right' ? -elemWidth : -elemWidth / 2,
							atWidth = at.x === 'left' ? targetWidth : at.x === 'right' ? -targetWidth : -targetWidth / 2,
							tipWidth = tip && tip.size ? tip.size.width || 0 : 0,
							tipAdjust = tip && tip.corner && tip.corner.precedance === 'x' && !isShift ? tipWidth : 0,
							overflowLeft = viewportScroll - posLeft + tipAdjust,
							overflowRight = posLeft + elemWidth - viewport.width - viewportScroll + tipAdjust,
							offset = myWidth - (my.precedance === 'x' || my.x === my.y ? atWidth : 0),
							isCenter = my.x === 'center';

						// Optional 'shift' style repositioning
						if(isShift) {
							tipAdjust = tip && tip.corner && tip.corner.precedance === 'y' ? tipWidth : 0;
							offset = (my.x === 'left' ? 1 : -1) * myWidth - tipAdjust;

							// Adjust position but keep it within viewport dimensions
							position.left += overflowLeft > 0 ? overflowLeft : overflowRight > 0 ? -overflowRight : 0;
							position.left = Math.max(
								-container.offset.left + viewport.offset.left + (tipAdjust && tip.corner.x === 'center' ? tip.offset : 0),
								posLeft - offset,
								Math.min(
									Math.max(-container.offset.left + viewport.offset.left + viewport.width, posLeft + offset),
									position.left
								)
							);
						}

						// Default 'flip' repositioning
						else {
							if(overflowLeft > 0 && (my.x !== 'left' || overflowRight > 0)) {
								position.left -= offset;
							}
							else if(overflowRight > 0 && (my.x !== 'right' || overflowLeft > 0)  ) {
								position.left -= isCenter ? -offset : offset;
							}
							if(position.left !== posLeft && isCenter) { position.left -= adjust.x; }
							
							// Make sure we haven't made things worse with the adjustment and return the adjusted difference
							if(position.left < viewportScroll && -position.left > overflowRight) { position.left = posLeft; }
						}

						return position.left - posLeft;
					},
					top: function(posTop) {
						var isShift = readjust.vertical === 'shift',
							viewportScroll = -container.offset.top + viewport.offset.top + viewport.scrollTop,
							myHeight = my.y === 'top' ? elemHeight : my.y === 'bottom' ? -elemHeight : -elemHeight / 2,
							atHeight = at.y === 'top' ? targetHeight : at.y === 'bottom' ? -targetHeight : -targetHeight / 2,
							tipHeight = tip && tip.size ? tip.size.height || 0 : 0,
							tipAdjust = tip && tip.corner && tip.corner.precedance === 'y' && !isShift ? tipHeight : 0,
							overflowTop = viewportScroll - posTop + tipAdjust,
							overflowBottom = posTop + elemHeight - viewport.height - viewportScroll + tipAdjust,
							offset = myHeight - (my.precedance === 'y' || my.x === my.y ? atHeight : 0),
							isCenter = my.y === 'center';
							
						// Optional 'shift' style repositioning
						if(isShift) {
							tipAdjust = tip && tip.corner && tip.corner.precedance === 'x' ? tipHeight : 0;
							offset = (my.y === 'top' ? 1 : -1) * myHeight - tipAdjust;

							// Adjust position but keep it within viewport dimensions
							position.top += overflowTop > 0 ? overflowTop : overflowBottom > 0 ? -overflowBottom : 0;
							position.top = Math.max(
								-container.offset.top + viewport.offset.top + (tipAdjust && tip.corner.x === 'center' ? tip.offset : 0),
								posTop - offset,
								Math.min(
									Math.max(-container.offset.top + viewport.offset.top + viewport.height, posTop + offset),
									position.top
								)
							);
						}

						// Default 'flip' repositioning
						else {
							if(overflowTop > 0 && (my.y !== 'top' || overflowBottom > 0)) {
								position.top -= offset;
							}
							else if(overflowBottom > 0 && (my.y !== 'bottom' || overflowTop > 0)  ) {
								position.top -= isCenter ? -offset : offset;
							}
							if(position.top !== posTop && isCenter) { position.top -= adjust.y; }

							// Make sure we haven't made things worse with the adjustment and return the adjusted difference
							if(position.top < 0 && -position.top > overflowBottom) { position.top = posTop; }
						}

						return position.top - posTop;
					}
				},
				win;

			// 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' && ((event && event.pageX) || cache.event.pageX)) {
				// Force left top to allow flipping
				at = { x: 'left', y: 'top' };

				// Use cached event if one isn't available for positioning
				event = (event && (event.type === 'resize' || event.type === 'scroll') ? cache.event :
					event && event.pageX && event.type === 'mousemove' ? event :
					MOUSE && MOUSE.pageX && (adjust.mouse || !event || !event.pageX) ? { pageX: MOUSE.pageX, pageY: MOUSE.pageY } :
					!adjust.mouse && cache.origin && cache.origin.pageX ? cache.origin :
					event) || event || cache.event || MOUSE || {};

				// Use event coordinates for position
				position = { top: event.pageY, left: event.pageX };
			}

			// 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') {
						target = cache.target = $(event.target);
					}
					else {
						target = cache.target;
					}
				}
				else { cache.target = $(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 self; }

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

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

				// Use Imagemap/SVG plugins if needed
				else if(target.is('area') && PLUGINS.imagemap) {
					position = PLUGINS.imagemap(target, at, readjust.enabled ? method : FALSE);
				}
				else if(target[0].namespaceURI === 'http://www.w3.org/2000/svg' && PLUGINS.svg) {
					position = PLUGINS.svg(target, at);
				}

				else {
					targetWidth = target.outerWidth();
					targetHeight = target.outerHeight();

					position = PLUGINS.offset(target, container);
				}

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

				// Adjust for position.fixed tooltips (and also iOS scroll bug in v3.2 - v4.0)
				if((PLUGINS.iOS < 4.1 && PLUGINS.iOS > 3.1) || PLUGINS.iOS == 4.3 || (!PLUGINS.iOS && fixed)) {
					win = $(window);
					position.left -= win.scrollLeft();
					position.top -= win.scrollTop();
				}

				// Adjust position relative to target
				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' ? -elemWidth : my.x === 'center' ? -elemWidth / 2 : 0);
			position.top += adjust.y + (my.y === 'bottom' ? -elemHeight : my.y === 'center' ? -elemHeight / 2 : 0);

			// Calculate collision offset values if viewport positioning is enabled
			if(readjust.enabled) {
				// Cache our viewport details
				viewport = {
					elem: viewport,
					height: viewport[ (viewport[0] === window ? 'h' : 'outerH') + 'eight' ](),
					width: viewport[ (viewport[0] === window ? 'w' : 'outerW') + 'idth' ](),
					scrollLeft: fixed ? 0 : viewport.scrollLeft(),
					scrollTop: fixed ? 0 : viewport.scrollTop(),
					offset: viewport.offset() || { left: 0, top: 0 }
				};
				container = {
					elem: container,
					scrollLeft: container.scrollLeft(),
					scrollTop: container.scrollTop(),
					offset: container.offset() || { left: 0, top: 0 }
				};

				// Adjust position based onviewport and adjustment options
				position.adjusted = {
					left: readjust.horizontal !== 'none' ? readjust.left(position.left) : 0,
					top: readjust.vertical !== 'none' ? readjust.top(position.top) : 0
				};

				// Set tooltip position class
				if(position.adjusted.left + position.adjusted.top) {
					tooltip.attr('class', tooltip[0].className.replace(/ui-tooltip-pos-\w+/i, uitooltip + '-pos-' + my.abbrev()));
				}

				// Apply flip offsets supplied by positioning plugins
				if(flipoffset && position.adjusted.left) { position.left += flipoffset.left; }
				if(flipoffset && position.adjusted.top) {  position.top += flipoffset.top; }
			}

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

			// Call API method
			callback.originalEvent = $.extend({}, event);
			tooltip.trigger(callback, [self, position, viewport.elem || viewport]);
			if(callback.isDefaultPrevented()){ return self; }
			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 || 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, self, $.extend({}, position));
				tooltip.queue(function(next) {
					// Reset attributes to avoid cross-browser rendering bugs
					$(this).css({ opacity: '', height: '' });
					if($.browser.msie) { this.style.removeAttribute('filter'); }

					next();
				});
			}

			// Set positioning flag
			isPositioning = 0;

			return self;
		},

		// Max/min width simulator function for all browsers.. yeaaah!
		redraw: function()
		{
			if(self.rendered < 1 || isDrawing) { return self; }

			var container = options.position.container,
				perc, width, max, min;

			// Set drawing flag
			isDrawing = 1;

			// If tooltip has a set height, just set it... like a boss!
			if(options.style.height) { tooltip.css('height', options.style.height); }

			// If tooltip has a set width, just set it... like a boss!
			if(options.style.width) { tooltip.css('width', options.style.width); }

			// Otherwise simualte max/min width...
			else {
				// Reset width and add fluid class
				tooltip.css('width', '').addClass(fluidClass);

				// Grab our tooltip width (add 1 so we don't get wrapping problems.. huzzah!)
				width = tooltip.width() + 1;

				// Grab our max/min properties
				max = tooltip.css('max-width') || '';
				min = tooltip.css('min-width') || '';

				// Parse into proper pixel values
				perc = (max + min).indexOf('%') > -1 ? container.width() / 100 : 0;
				max = ((max.indexOf('%') > -1 ? perc : 1) * parseInt(max, 10)) || width;
				min = ((min.indexOf('%') > -1 ? perc : 1) * parseInt(min, 10)) || 0;

				// Determine new dimension size based on max/min/current values
				width = max + min ? Math.min(Math.max(width, min), max) : width;

				// Set the newly calculated width and remvoe fluid class
				tooltip.css('width', Math.round(width)).removeClass(fluidClass);
			}

			// Set drawing flag
			isDrawing = 0;

			return self;
		},

		disable: function(state)
		{
			if('boolean' !== typeof state) {
				state = !(tooltip.hasClass(disabled) || cache.disabled);
			}
			 
			if(self.rendered) {
				tooltip.toggleClass(disabled, state);
				$.attr(tooltip[0], 'aria-disabled', state);
			}
			else {
				cache.disabled = !!state;
			}

			return self;
		},
		
		enable: function() { return self.disable(FALSE); },

		destroy: function()
		{
			var t = target[0],
				title = $.attr(t, oldtitle),
				elemAPI = target.data('qtip');

			// Destroy tooltip and  any associated plugins if rendered
			if(self.rendered) {
				tooltip.remove();
				
				$.each(self.plugins, function() {
					if(this.destroy) { this.destroy(); }
				});
			}

			// Clear timers and remove bound events
			clearTimeout(self.timers.show);
			clearTimeout(self.timers.hide);
			unassignEvents();

			// If the API if actually this qTip API...
			if(!elemAPI || self === elemAPI) {
				// Remove api object
				$.removeData(t, 'qtip');

				// Reset old title attribute if removed
				if(options.suppress && title) {
					$.attr(t, 'title', title);
					target.removeAttr(oldtitle);
				}

				// Remove ARIA attributes
				target.removeAttr('aria-describedby');
			}

			// Remove qTip events associated with this API
			target.unbind('.qtip-'+id);

			// Remove ID from sued id object
			delete usedIDs[self.id];

			return target;
		}
	});
}

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

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

	// Use document body instead of document element if needed
	newTarget = this === 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' ? (new Function("return " + html5))() : html5; }
	catch(e) { log('Unable to parse HTML5 attribute data: ' + html5); }

	// 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 {
			log('Unable to locate content for tooltip! Aborting render of tooltip on element: ', elem);
			return FALSE;
		}
	}

	// Setup target options
	if(posOptions.container === FALSE) { 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 = docBody; }
	if(config.hide.target === FALSE) { config.hide.target = newTarget; }
	if(config.position.viewport === TRUE) { config.position.viewport = posOptions.container; }

	// Convert position corner values into x and y strings
	posOptions.at = new PLUGINS.Corner(posOptions.at);
	posOptions.my = new PLUGINS.Corner(posOptions.my);

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

	// Remove title attribute and store it if present
	if(config.suppress && (title = $.attr(this, 'title'))) {
		$(this).removeAttr('title').attr(oldtitle, title);
	}

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

	// Catch remove events on target element to destroy redundant tooltip
	elem.bind('remove.qtip-'+id, function(){ obj.destroy(); });

	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], 'qtip') : 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, 'qtip');
			if(!api) { return TRUE; }

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

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

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

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

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

		// Bind the qTips
		return QTIP.bind.call(this, opts, event);
	}
};

// $.fn.qtip Bind method
QTIP.bind = function(opts, event)
{
	return this.each(function(i) {
		var options, targets, events, namespace, 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 || usedIDs[id] ? QTIP.nextid++ : (usedIDs[id] = id);

		// Setup events namespace
		namespace = '.qtip-'+id+'-create';

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

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

		// Determine hide and show targets
		targets = { show: options.show.target, hide: options.hide.target };
		events = {
			show: $.trim('' + options.show.event).replace(/ /g, namespace+' ') + namespace,
			hide: $.trim('' + options.hide.event).replace(/ /g, namespace+' ') + namespace
		};

		/*
		 * 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(events.show) && !/mouse(out|leave)/i.test(events.hide)) {
			events.hide += ' mouseleave' + namespace;
		}

		/*
		 * Also make sure initial mouse targetting works correctly by caching mousemove coords
		 * on show targets before the tooltip has rendered.
		 */
		targets.show.bind('mousemove'+namespace, function(event) {
			MOUSE = { pageX: event.pageX, pageY: event.pageY, type: 'mousemove' };
		});

		// Define hoverIntent function
		function hoverIntent(event) {
			function render() {
				// Cache mouse coords,render and render the tooltip
				api.render(typeof event === 'object' || options.show.ready);

				// Unbind show and hide events
				targets.show.add(targets.hide).unbind(namespace);
			}

			// Only continue if tooltip isn't disabled
			if(api.cache.disabled) { return FALSE; }

			// Cache the event data
			api.cache.event = $.extend({}, event);
			api.cache.target = event ? $(event.target) : [undefined];

			// Start the event sequence
			if(options.show.delay > 0) {
				clearTimeout(api.timers.show);
				api.timers.show = setTimeout(render, options.show.delay);
				if(events.show !== events.hide) {
					targets.hide.bind(events.hide, function() { clearTimeout(api.timers.show); });
				}
			}
			else { render(); }
		}

		// Bind show events to target
		targets.show.bind(events.show, hoverIntent);

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

// Setup base plugins
PLUGINS = QTIP.plugins = {
	// Corner object parser
	Corner: function(corner) {
		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();

		var f = corner.charAt(0); this.precedance = (f === 't' || f === 'b' ? 'y' : 'x');

		this.string = function() { return this.precedance === 'y' ? this.y+this.x : this.x+this.y; };
		this.abbrev = function() { 
			var x = this.x.substr(0,1), y = this.y.substr(0,1);
			return x === y ? x : (x === 'c' || (x !== 'c' && y !== 'c')) ? y + x : x + y;
		};

		this.clone = function() {
			return { x: this.x, y: this.y, precedance: this.precedance, string: this.string, abbrev: this.abbrev, clone: this.clone };
		};
	},

	// Custom (more correct for qTip!) offset calculator
	offset: function(elem, container) {
		var pos = elem.offset(),
			parent = container,
			deep = 0,
			docBody = document.body,
			coffset, overflow;

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

		if(parent) {
			// Compensate for non-static containers offset
			do {
				if(parent.css('position') !== 'static') {
					coffset = parent[0] === docBody ?
						{ left: parseInt(parent.css('left'), 10) || 0, top: parseInt(parent.css('top'), 10) || 0 } :
						parent.position();

					pos.left -= coffset.left + (parseInt(parent.css('borderLeftWidth'), 10) || 0) + (parseInt(parent.css('marginLeft'), 10) || 0);
					pos.top -= coffset.top + (parseInt(parent.css('borderTopWidth'), 10) || 0);

					overflow = parent.css('overflow');
					if(overflow === 'scroll' || overflow === 'auto') { deep++; }
				}
				
				if(parent[0] === docBody) { break; }
			}
			while(parent = parent.offsetParent());

			// Compensate for containers scroll if it also has an offsetParent
			if(container[0] !== docBody && deep) { scroll( container, 1 ); }
		}

		return pos;
	},
	
	/*
	 * iOS 3.2 - 4.0 scroll fix detection used in offset() function.
	 */
	iOS: parseFloat(
		('' + (/CPU.*OS ([0-9_]{1,3})|(CPU like).*AppleWebKit.*Mobile/i.exec(navigator.userAgent) || [0,''])[1])
			.replace('undefined', '3_2').replace('_','.')
	) || FALSE,
	
	/*
	 * jQuery-specific $.fn overrides
	 */
	fn: {
		/* 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);
					}
					else {
						// 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;
		},

		/* 
		 * Taken directly from jQuery 1.8.2 widget source code
		 * Trigger 'remove' event on all elements on removal
		 */
		remove: $.ui ? NULL : function( selector, keepData ) {
			if($.ui) { return; } // We don't need to do this if jQuery UI is present!

			$(this).each(function() {
				if (!keepData) {
					if (!selector || $.filter( selector, [ this ] ).length) {
						$('*', this).add(this).each(function() {
							$(this).triggerHandler('remove');
						});
					}
				}
			});
		}
	}
};

// Apply the fn overrides above
$.each(PLUGINS.fn, 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);
	};
});

// Set global qTip properties
QTIP.version = 'nightly';
QTIP.nextid = 0;
QTIP.inactiveEvents = 'click dblclick mousedown mouseup mousemove mouseleave mouseenter'.split(' ');
QTIP.zindex = 15000;

// Define configuration defaults
QTIP.defaults = {
	prerender: FALSE,
	id: FALSE,
	overwrite: TRUE,
	suppress: TRUE,
	content: {
		text: TRUE,
		attr: 'title',
		title: {
			text: FALSE,
			button: FALSE
		}
	},
	position: {
		my: 'top left',
		at: 'bottom right',
		target: FALSE,
		container: FALSE,
		viewport: FALSE,
		adjust: {
			x: 0, y: 0,
			mouse: TRUE,
			resize: TRUE,
			method: 'flip flip'
		},
		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
	},
	events: {
		render: NULL,
		move: NULL,
		show: NULL,
		hide: NULL,
		toggle: NULL,
		visible: NULL,
		focus: NULL,
		blur: NULL
	}
};

// Tip coordinates calculator
function calculateTip(corner, width, height)
{	
	var width2 = Math.ceil(width / 2), height2 = Math.ceil(height / 2),

	// Define tip coordinates in terms of height and width values
	tips = {
		bottomright:	[[0,0],				[width,height],		[width,0]],
		bottomleft:		[[0,0],				[width,0],				[0,height]],
		topright:		[[0,height],		[width,0],				[width,height]],
		topleft:			[[0,0],				[0,height],				[width,height]],
		topcenter:		[[0,height],		[width2,0],				[width,height]],
		bottomcenter:	[[0,0],				[width,0],				[width2,height]],
		rightcenter:	[[0,0],				[width,height2],		[0,height]],
		leftcenter:		[[width,0],			[width,height],		[0,height2]]
	};

	// Set common side shapes
	tips.lefttop = tips.bottomright; tips.righttop = tips.bottomleft;
	tips.leftbottom = tips.topright; tips.rightbottom = tips.topleft;

	return tips[ corner.string() ];
}


function Tip(qTip, command)
{
	var self = this,
		opts = qTip.options.style.tip,
		elems = qTip.elements,
		tooltip = elems.tooltip,
		cache = { top: 0, left: 0 },
		size = {
			width: opts.width,
			height: opts.height
		},
		color = { },
		border = opts.border || 0,
		namespace = '.qtip-tip',
		hasCanvas = !!($('<canvas />')[0] || {}).getContext;

	self.corner = NULL;
	self.mimic = NULL;
	self.border = border;
	self.offset = opts.offset;
	self.size = size;

	// Add new option checks for the plugin
	qTip.checks.tip = {
		'^position.my|style.tip.(corner|mimic|border)$': function() {
			// Make sure a tip can be drawn
			if(!self.init()) {
				self.destroy();
			}

			// Reposition the tooltip
			qTip.reposition();
		},
		'^style.tip.(height|width)$': function() {
			// Re-set dimensions and redraw the tip
			size = {
				width: opts.width,
				height: opts.height
			};
			self.create();
			self.update();

			// Reposition the tooltip
			qTip.reposition();
		},
		'^content.title.text|style.(classes|widget)$': function() {
			if(elems.tip) {
				self.update();
			}
		}
	};

	function reposition(event, api, pos, viewport) {
		if(!elems.tip) { return; }

		var newCorner = self.corner.clone(),
			adjust = pos.adjusted,
			method = qTip.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;

		// Make sure our tip position isn't fixed e.g. doesn't adjust with viewport
		if(self.corner.fixed !== TRUE) {
			// Horizontal - Shift or flip method
			if(horizontal === 'shift' && newCorner.precedance === 'x' && adjust.left && newCorner.y !== 'center') {
				newCorner.precedance = newCorner.precedance === 'x' ? 'y' : 'x';
			}
			else if(horizontal === 'flip' && adjust.left){
				newCorner.x = newCorner.x === 'center' ? (adjust.left > 0 ? 'left' : 'right') : (newCorner.x === 'left' ? 'right' : 'left');
			}

			// Vertical - Shift or flip method
			if(vertical === 'shift' && newCorner.precedance === 'y' && adjust.top && newCorner.x !== 'center') {
				newCorner.precedance = newCorner.precedance === 'y' ? 'x' : 'y';
			}
			else if(vertical === 'flip' && adjust.top) {
				newCorner.y = newCorner.y === 'center' ? (adjust.top > 0 ? 'top' : 'bottom') : (newCorner.y === 'top' ? 'bottom' : 'top');
			}

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

		// Setup tip offset properties
		offset = self.position(newCorner, adjust);
		if(offset.right !== undefined) { offset.left = -offset.right; }
		if(offset.bottom !== undefined) { offset.top = -offset.bottom; }
		offset.user = Math.max(0, opts.offset);

		// Viewport "shift" specific adjustments
		if(shift.left = (horizontal === 'shift' && !!adjust.left)) {
			if(newCorner.x === 'center') {
				css['margin-left'] = shift.x = offset['margin-left'] - adjust.left;
			}
			else {
				props = offset.right !== undefined ?
					[ adjust.left, -offset.left ] : [ -adjust.left, offset.left ];

				if( (shift.x = Math.max(props[0], props[1])) > props[0] ) {
					pos.left -= adjust.left;
					shift.left = FALSE;
				}
				
				css[ offset.right !== undefined ? 'right' : 'left' ] = shift.x;
			}
		}
		if(shift.top = (vertical === 'shift' && !!adjust.top)) {
			if(newCorner.y === 'center') {
				css['margin-top'] = shift.y = offset['margin-top'] - adjust.top;
			}
			else {
				props = offset.bottom !== undefined ?
					[ adjust.top, -offset.top ] : [ -adjust.top, offset.top ];

				if( (shift.y = Math.max(props[0], props[1])) > props[0] ) {
					pos.top -= adjust.top;
					shift.top = FALSE;
				}

				css[ offset.bottom !== undefined ? 'bottom' : 'top' ] = shift.y;
			}
		}

		/*
		 * 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!
		 */
		elems.tip.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 : 0;
		pos.top -= offset.top.charAt ? offset.user : vertical !== 'shift' || shift.left || !shift.left && !shift.top ? offset.top : 0;

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

	/* border width calculator */
	function borderWidth(corner, side, backup) {
		side = !side ? corner[corner.precedance] : side;
		
		var isFluid = tooltip.hasClass(fluidClass),
			isTitleTop = elems.titlebar && corner.y === 'top',
			elem = isTitleTop ? elems.titlebar : elems.content,
			css = 'border-' + side + '-width',
			val;

		// Grab the border-width value (add fluid class if needed)
		tooltip.addClass(fluidClass);
		val = parseInt(elem.css(css), 10);
		val = (backup ? val || parseInt(tooltip.css(css), 10) : val) || 0;
		tooltip.toggleClass(fluidClass, isFluid);

		return val;
	}

	function borderRadius(corner) {
		var isTitleTop = elems.titlebar && corner.y === 'top',
			elem = isTitleTop ? elems.titlebar : elems.content,
			moz = $.browser.mozilla,
			prefix = moz ? '-moz-' : $.browser.webkit ? '-webkit-' : '',
			side = corner.y + (moz ? '' : '-') + corner.x,
			css = prefix + (moz ? 'border-radius-' + side : 'border-' + side + '-radius');

		return parseInt(elem.css(css), 10) || parseInt(tooltip.css(css), 10) || 0;
	}

	function calculateSize(corner) {
		var y = corner.precedance === 'y',
			width = size [ y ? 'width' : 'height' ],
			height = size [ y ? 'height' : 'width' ],
			isCenter = corner.string().indexOf('center') > -1,
			base = width * (isCenter ? 0.5 : 1),
			pow = Math.pow,
			round = Math.round,
			bigHyp, ratio, result,

		smallHyp = Math.sqrt( pow(base, 2) + pow(height, 2) ),
		
		hyp = [
			(border / base) * smallHyp, (border / height) * smallHyp
		];
		hyp[2] = Math.sqrt( pow(hyp[0], 2) - pow(border, 2) );
		hyp[3] = Math.sqrt( pow(hyp[1], 2) - pow(border, 2) );

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

		result = [ round(ratio * height), round(ratio * width) ];
		return { height: result[ y ? 0 : 1 ], width: result[ y ? 1 : 0 ] };
	}

	$.extend(self, {
		init: function()
		{
			var enabled = self.detectCorner() && (hasCanvas || $.browser.msie);

			// Determine tip corner and type
			if(enabled) {
				// Create a new tip and draw it
				self.create();
				self.update();

				// Bind update events
				tooltip.unbind(namespace).bind('tooltipmove'+namespace, reposition);
			}
			
			return enabled;
		},

		detectCorner: function()
		{
			var corner = opts.corner,
				posOptions = qTip.options.position,
				at = posOptions.at,
				my = posOptions.my.string ? posOptions.my.string() : posOptions.my;

			// Detect corner and mimic properties
			if(corner === FALSE || (my === FALSE && at === FALSE)) {
				return FALSE;
			}
			else {
				if(corner === TRUE) {
					self.corner = new PLUGINS.Corner(my);
				}
				else if(!corner.string) {
					self.corner = new PLUGINS.Corner(corner);
					self.corner.fixed = TRUE;
				}
			}

			return self.corner.string() !== 'centercenter';
		},

		detectColours: function(actual) {
			var i, fill, border,
				tip = elems.tip.css('cssText', ''),
				corner = actual || self.corner,
				precedance = corner[ corner.precedance ],

				borderSide = 'border-' + precedance + '-color',
				borderSideCamel = 'border' + precedance.charAt(0) + precedance.substr(1) + 'Color',

				invalid = /rgba?\(0, 0, 0(, 0)?\)|transparent|#123456/i,
				backgroundColor = 'background-color',
				transparent = 'transparent',
				important = ' !important',

				bodyBorder = $(document.body).css('color'),
				contentColour = qTip.elements.content.css('color'),

				useTitle = elems.titlebar && (corner.y === 'top' || (corner.y === 'center' && tip.position().top + (size.height / 2) + opts.offset < elems.titlebar.outerHeight(1))),
				colorElem = useTitle ? elems.titlebar : elems.content;

			// Apply the fluid class so we can see our CSS values properly
			tooltip.addClass(fluidClass);

			// Detect tip colours from CSS styles
			color.fill = fill = tip.css(backgroundColor);
			color.border = border = tip[0].style[ borderSideCamel ] || tip.css(borderSide) || tooltip.css(borderSide);

			// Make sure colours are valid
			if(!fill || invalid.test(fill)) {
				color.fill = colorElem.css(backgroundColor) || transparent;
				if(invalid.test(color.fill)) {
					color.fill = tooltip.css(backgroundColor) || fill;
				}
			}
			if(!border || invalid.test(border) || border === bodyBorder) {
				color.border = colorElem.css(borderSide) || transparent;
				if(invalid.test(color.border)) {
					color.border = border;
				}
			}

			// Reset background and border colours
			$('*', tip).add(tip).css('cssText', backgroundColor+':'+transparent+important+';border:0'+important+';');

			// Remove fluid class
			tooltip.removeClass(fluidClass);
		},

		create: function()
		{
			var width = size.width,
				height = size.height,
				vml;

			// Remove previous tip element if present
			if(elems.tip) { elems.tip.remove(); }

			// Create tip element and prepend to the tooltip
			elems.tip = $('<div />', { 'class': 'ui-tooltip-tip' }).css({ width: width, height: height }).prependTo(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()!
				$('<canvas />').appendTo(elems.tip)[0].getContext('2d').save();
			}
			else {
				vml = '<vml:shape coordorigin="0,0" style="display:inline-block; position:absolute; behavior:url(#default#VML);"></vml:shape>';
				elems.tip.html(vml + vml);
			}
		},

		update: function(corner, position)
		{
			var tip = elems.tip,
				inner = tip.children(),
				width = size.width,
				height = size.height,
				regular = 'px solid ',
				transparent = 'px dashed transparent', // Dashed IE6 border-transparency hack. Awesome!
				mimic = opts.mimic,
				round = Math.round,
				precedance, context, coords, translate, newSize;

			// Re-determine tip if not already set
			if(!corner) { corner = cache.corner || self.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 PLUGINS.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;

			// Update our colours
			self.detectColours(corner);

			// Detect border width, taking into account colours
			if(color.border !== 'transparent' && color.border !== '#123456') {
				// Grab border width
				border = borderWidth(corner, NULL, TRUE);

				// If border width isn't zero, use border color as fill (1.0 style tips)
				if(opts.border === 0 && border > 0) { color.fill = color.border; }

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

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

			// Calculate coordinates
			coords = calculateTip(mimic, width , height);

			// Determine tip size
			self.size = newSize = calculateSize(corner);
			tip.css(newSize);

			// Calculate tip translation
			if(corner.precedance === 'y') {
				translate = [
					round(mimic.x === 'left' ? border : mimic.x === 'right' ? newSize.width - width - border : (newSize.width - width) / 2),
					round(mimic.y === 'top' ?  newSize.height - height : 0)
				];
			}
			else {
				translate = [
					round(mimic.x === 'left' ? newSize.width - width : 0),
					round(mimic.y === 'top' ? border : mimic.y === 'bottom' ? newSize.height - height - border : (newSize.height - height) / 2)
				];
			}

			// Canvas drawing implementation
			if(hasCanvas) {
				// Set the canvas size using calculated size
				inner.attr(newSize);
				
				// Grab canvas context and clear/save it
				context = inner[0].getContext('2d');
				context.restore(); context.save();
				context.clearRect(0,0,3000,3000);
				
				// Translate origin
				context.translate(translate[0], translate[1]);
				
				// Draw the tip
				context.beginPath();
				context.moveTo(coords[0][0], coords[0][1]);
				context.lineTo(coords[1][0], coords[1][1]);
				context.lineTo(coords[2][0], coords[2][1]);
				context.closePath();
				context.fillStyle = color.fill;
				context.strokeStyle = color.border;
				context.lineWidth = border * 2;
				context.lineJoin = 'miter';
				context.miterLimit = 100;
				if(border) { context.stroke(); }
				context.fill();
			}

			// VML (IE Proprietary implementation)
			else {
				// Setup coordinates string
				coords = 'm' + coords[0][0] + ',' + coords[0][1] + ' l' + coords[1][0] +
					',' + coords[1][1] + ' ' + coords[2][0] + ',' + coords[2][1] + ' xe';

				// Setup VML-specific offset for pixel-perfection
				translate[2] = border && /^(r|b)/i.test(corner.string()) ?
					parseFloat($.browser.version, 10) === 8 ? 2 : 1 : 0;

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

					// Set shape specific attributes
					$this[ $this.prop ? 'prop' : 'attr' ]({
						coordsize: (width+border) + ' ' + (height+border),
						path: coords,
						fillcolor: color.fill,
						filled: !!i,
						stroked: !!!i
					})
					.css({ display: border || i ? 'block' : 'none' });

					// Check if border is enabled and add stroke element
					if(!i && $this.html() === '') {
						$this.html(
							'<vml:stroke weight="'+(border*2)+'px" color="'+color.border+'" miterlimit="1000" joinstyle="miter" ' +
							' style="behavior:url(#default#VML); display:inline-block;" />'
						);
					}
				});
			}

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

		// Tip positioning method
		position: function(corner)
		{
			var tip = elems.tip,
				position = {},
				userOffset = Math.max(0, opts.offset),
				precedance, dimensions, corners;

			// Return if tips are disabled or tip is not yet rendered
			if(opts.corner === FALSE || !tip) { return FALSE; }

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

			// Determine which tip dimension to use for adjustment
			dimensions = 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, br;

				if(side === 'center') {
					b = precedance === 'y' ? 'left' : 'top';
					position[ b ] = '50%';
					position['margin-' + b] = -Math.round(dimensions[ precedance === 'y' ? 'width' : 'height' ] / 2) + userOffset;
				}
				else {
					b = borderWidth(corner, side, TRUE);
					br = borderRadius(corner);
					
					position[ side ] = i ?
						border ? borderWidth(corner, side) : 0 : 
						userOffset + (br > b ? br : 0);
				}
			});

			// Adjust for tip dimensions
			position[ corner[precedance] ] -= dimensions[ precedance === 'x' ? 'width' : 'height' ];

			// Set and return new position
			tip.css({ top: '', bottom: '', left: '', right: '', margin: '' }).css(position);
			return position;
		},
		
		destroy: function()
		{
			// Remov tip and bound events
			if(elems.tip) { elems.tip.remove(); }
			tooltip.unbind(namespace);
		}
	});

	cache.corner = new PLUGINS.Corner( self.init() );
}

PLUGINS.tip = function(api)
{
	var self = api.plugins.tip;
	
	return 'object' === typeof self ? self : (api.plugins.tip = new Tip(api));
};

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

// Setup plugin sanitization options
PLUGINS.tip.sanitize = function(options)
{
	var style = options.style, opts;
	if(style && 'tip' in style) {
		opts = options.style.tip;
		if(typeof opts !== 'object'){ options.style.tip = { corner: opts }; }
		if(!(/string|boolean/i).test(typeof opts.corner)) { opts.corner = TRUE; }
		if(typeof opts.width !== 'number'){ delete opts.width; }
		if(typeof opts.height !== 'number'){ delete opts.height; }
		if(typeof opts.border !== 'number' && opts.border !== TRUE){ delete opts.border; }
		if(typeof opts.offset !== 'number'){ delete opts.offset; }
	}
};

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

/* 
 * BGIFrame adaption (http://plugins.jquery.com/project/bgiframe)
 * Special thanks to Brandon Aaron
 */
function BGIFrame(api)
{
	var self = this,
		elems = api.elements,
		tooltip = elems.tooltip,
		namespace = '.bgiframe-' + api.id;

	$.extend(self, {
		init: function()
		{
			// Create the BGIFrame element
			elems.bgiframe = $('<iframe class="ui-tooltip-bgiframe" frameborder="0" tabindex="-1" src="javascript:\'\';" ' +
				' style="display:block; position:absolute; z-index:-1; filter:alpha(opacity=0); ' +
					'-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";"></iframe>');

			// Append the new element to the tooltip
			elems.bgiframe.appendTo(tooltip);

			// Update BGIFrame on tooltip move
			tooltip.bind('tooltipmove'+namespace, self.adjust);
		},

		adjust: function()
		{
			var dimensions = api.get('dimensions'), // Determine current tooltip dimensions
				plugin = api.plugins.tip,
				tip = elems.tip,
				tipAdjust, offset;

			// Adjust border offset
			offset = parseInt(tooltip.css('border-left-width'), 10) || 0;
			offset = { left: -offset, top: -offset };

			// Adjust for tips plugin
			if(plugin && tip) {
				tipAdjust = (plugin.corner.precedance === 'x') ? ['width', 'left'] : ['height', 'top'];
				offset[ tipAdjust[1] ] -= tip[ tipAdjust[0] ]();
			}

			// Update bgiframe
			elems.bgiframe.css(offset).css(dimensions);
		},

		destroy: function()
		{
			// Remove iframe
			elems.bgiframe.remove();

			// Remove bound events
			tooltip.unbind(namespace);
		}
	});

	self.init();
}

PLUGINS.bgiframe = function(api)
{
	var browser = $.browser,
		self = api.plugins.bgiframe;
	
		// Proceed only if the browser is IE6 and offending elements are present
		if($('select, object').length < 1 || !(browser.msie && (''+browser.version).charAt(0) === '6')) {
		return FALSE;
	}

	return 'object' === typeof self ? self : (api.plugins.bgiframe = new BGIFrame(api));
};

// Plugin needs to be initialized on render
PLUGINS.bgiframe.initialize = 'render';


}(jQuery, window));