/*
---
name: Slick.Finder
description: The new, superfast css selector engine.
provides: Slick.Finder
requires: Slick.Parser
...
*/

;(function(){

var local = {},
	featuresCache = {},
	toString = Object.prototype.toString;

// Feature / Bug detection

local.isNativeCode = function(fn){
	return (/\{\s*\[native code\]\s*\}/).test('' + fn);
};

local.isXML = function(document){
	return (!!document.xmlVersion) || (!!document.xml) || (toString.call(document) == '[object XMLDocument]') ||
	(document.nodeType == 9 && document.documentElement.nodeName != 'HTML');
};

local.setDocument = function(document){

	// convert elements / window arguments to document. if document cannot be extrapolated, the function returns.
	var nodeType = document.nodeType;
	if (nodeType == 9); // document
	else if (nodeType) document = document.ownerDocument; // node
	else if (document.navigator) document = document.document; // window
	else return;

	// check if it's the old document

	if (this.document === document) return;
	this.document = document;

	// check if we have done feature detection on this document before

	var root = document.documentElement,
		rootUid = this.getUIDXML(root),
		features = featuresCache[rootUid],
		feature;

	if (features){
		for (feature in features){
			this[feature] = features[feature];
		}
		return;
	}

	features = featuresCache[rootUid] = {};

	features.root = root;
	features.isXMLDocument = this.isXML(document);

	features.brokenStarGEBTN
	= features.starSelectsClosedQSA
	= features.idGetsName
	= features.brokenMixedCaseQSA
	= features.brokenGEBCN
	= features.brokenCheckedQSA
	= features.brokenEmptyAttributeQSA
	= features.isHTMLDocument
	= features.nativeMatchesSelector
	= false;

	var starSelectsClosed, starSelectsComments,
		brokenSecondClassNameGEBCN, cachedGetElementsByClassName,
		brokenFormAttributeGetter;

	var selected, id = 'slick_uniqueid';
	var testNode = document.createElement('div');

	var testRoot = document.body || document.getElementsByTagName('body')[0] || root;
	testRoot.appendChild(testNode);

	// on non-HTML documents innerHTML and getElementsById doesnt work properly
	try {
		testNode.innerHTML = '<a id="'+id+'"></a>';
		features.isHTMLDocument = !!document.getElementById(id);
	} catch(e){}

	if (features.isHTMLDocument){

		testNode.style.display = 'none';

		// IE returns comment nodes for getElementsByTagName('*') for some documents
		testNode.appendChild(document.createComment(''));
		starSelectsComments = (testNode.getElementsByTagName('*').length > 1);

		// IE returns closed nodes (EG:"</foo>") for getElementsByTagName('*') for some documents
		// Should never inject incorrect markup on XML documents
		if (!features.isXMLDocument){
			try {
				testNode.innerHTML = 'foo</foo>';
				selected = testNode.getElementsByTagName('*');
				starSelectsClosed = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
			} catch(e){}
		}

		features.brokenStarGEBTN = starSelectsComments || starSelectsClosed;

		// native matchesSelector function
		features.nativeMatchesSelector = root.matchesSelector || /*root.msMatchesSelector ||*/ root.mozMatchesSelector || root.webkitMatchesSelector;
		if (features.nativeMatchesSelector) try {
			// if matchesSelector trows errors on incorrect sintaxes we can use it
			features.nativeMatchesSelector.call(root, ':slick');
			features.nativeMatchesSelector = null;
		} catch(e){}

		// IE returns elements with the name instead of just id for getElementsById for some documents
		try {
			testNode.innerHTML = '<a name="'+ id +'"></a><b id="'+ id +'"></b>';
			features.idGetsName = document.getElementById(id) === testNode.firstChild;
		} catch(e){}

		if (testNode.getElementsByClassName){

			// Safari 3.2 getElementsByClassName caches results
			try {
				testNode.innerHTML = '<a class="f"></a><a class="b"></a>';
				testNode.getElementsByClassName('b').length;
				testNode.firstChild.className = 'b';
				cachedGetElementsByClassName = (testNode.getElementsByClassName('b').length != 2);
			} catch(e){}

			// Opera 9.6 getElementsByClassName doesnt detects the class if its not the first one
			try {
				testNode.innerHTML = '<a class="a"></a><a class="f b a"></a>';
				brokenSecondClassNameGEBCN = (testNode.getElementsByClassName('a').length != 2);
			} catch(e){}

			features.brokenGEBCN = cachedGetElementsByClassName || brokenSecondClassNameGEBCN;
		}

		if (testNode.querySelectorAll){
			// IE 8 returns closed nodes (EG:"</foo>") for querySelectorAll('*') for some documents
			// Should never inject incorrect markup on XML documents
			if (!features.isXMLDocument){
				try {
					testNode.innerHTML = 'foo</foo>';
					selected = testNode.querySelectorAll('*');
					features.starSelectsClosedQSA = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
				} catch(e){}
			}

			// Safari 3.2 querySelectorAll doesnt work with mixedcase on quirksmode
			try {
				testNode.innerHTML = '<a class="MiX"></a>';
				features.brokenMixedCaseQSA = !testNode.querySelectorAll('.MiX').length;
			} catch(e){}

			// Webkit and Opera dont return selected options on querySelectorAll
			try {
				testNode.innerHTML = '<select><option selected="selected">a</option></select>';
				features.brokenCheckedQSA = (testNode.querySelectorAll(':checked').length == 0);
			} catch(e){}

			// IE returns incorrect results for attr[*^$]="" selectors on querySelectorAll
			try {
				testNode.innerHTML = '<a class=""></a>';
				features.brokenEmptyAttributeQSA = (testNode.querySelectorAll('[class*=""]').length != 0);
			} catch(e){}

		}

		if (features.nativeMatchesSelector) {
			// Webkit does not match correctly with the :nth-child pseudo on elements inside the body
			// but if a style is applyed using this selector, the match starts working
			try {
				testNode.innerHTML = '_<style>:nth-child(2){}</style>';
			} catch(e){}
		}

		// IE6-7, if a form has an input of id x, form.getAttribute(x) returns a reference to the input
		try {
			testNode.innerHTML = '<form action="s"><input id="action"/></form>';
			brokenFormAttributeGetter = (testNode.firstChild.getAttribute('action') != 's');
		} catch(e){}

	}

	try {
		root.slick_expando = 1;
		delete root.slick_expando;
		features.getUID = this.getUIDHTML;
	} catch(e) {
		features.getUID = this.getUIDXML;
	}

	testRoot.removeChild(testNode);
	testNode = selected = testRoot = null;

	// getAttribute

	features.getAttribute = (features.isHTMLDocument && brokenFormAttributeGetter) ? function(node, name){
		var method = this.attributeGetters[name];
		if (method) return method.call(node);
		var attributeNode = node.getAttributeNode(name);
		return (attributeNode) ? attributeNode.nodeValue : null;
	} : function(node, name){
		var method = this.attributeGetters[name];
		return (method) ? method.call(node) : node.getAttribute(name);
	};

	// hasAttribute

	features.hasAttribute = (root && this.isNativeCode(root.hasAttribute)) ? function(node, attribute) {
		return node.hasAttribute(attribute);
	} : function(node, attribute) {
		node = node.getAttributeNode(attribute);
		return !!(node && (node.specified || node.nodeValue));
	};

	// contains
	// FIXME: Add specs: local.contains should be different for xml and html documents?
	var nativeRootContains = root && this.isNativeCode(root.contains),
		nativeDocumentContains = document && this.isNativeCode(document.contains);

	features.contains = (nativeRootContains && nativeDocumentContains) ? function(context, node){
		return context.contains(node);
	} : (nativeRootContains && !nativeDocumentContains) ? function(context, node){
		// IE8 does not have .contains on document.
		return context === node || ((context === document) ? document.documentElement : context).contains(node);
	} : (root && root.compareDocumentPosition) ? function(context, node){
		return context === node || !!(context.compareDocumentPosition(node) & 16);
	} : function(context, node){
		if (node) do {
			if (node === context) return true;
		} while ((node = node.parentNode));
		return false;
	};

	// document order sorting
	// credits to Sizzle (http://sizzlejs.com/)

	features.documentSorter = (root.compareDocumentPosition) ? function(a, b){
		if (!a.compareDocumentPosition || !b.compareDocumentPosition) return 0;
		return a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
	} : ('sourceIndex' in root) ? function(a, b){
		if (!a.sourceIndex || !b.sourceIndex) return 0;
		return a.sourceIndex - b.sourceIndex;
	} : (document.createRange) ? function(a, b){
		if (!a.ownerDocument || !b.ownerDocument) return 0;
		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		return aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
	} : null ;

	root = null;

	for (feature in features){
		this[feature] = features[feature];
	}
};

// Main Method

var reSiblingContextSelector = /^\s*[+~]/,
	reSimpleSelector = /^([#.]?)((?:[\w-]+|\*))$/,
	reEmptyAttribute = /\[.+[*$^]=(?:""|'')?\]/,
	qsaFailExpCache = {};

local.search = function(context, expression, append, first){

	var found = this.found = (first) ? null : (append || []);

	if (!context) return found;
	else if (context.navigator) context = context.document; // Convert the node from a window to a document
	else if (!context.nodeType) return found;

	// setup

	var parsed, i,
		uniques = this.uniques = {},
		hasOthers = !!(append && append.length),
		contextIsDocument = (context.nodeType == 9);

	if (this.document !== (contextIsDocument ? context : context.ownerDocument)) this.setDocument(context);

	// avoid duplicating items already in the append array
	if (hasOthers) for (i = found.length; i--;) uniques[this.getUID(found[i])] = true;

	// expression checks

	if (typeof expression == 'string'){ // expression is a string

		/*<simple-selectors-override>*/
		var simpleSelector = expression.match(reSimpleSelector);
		simpleSelectors: if (simpleSelector) {

			var symbol = simpleSelector[1],
				name = simpleSelector[2],
				node, nodes;

			if (!symbol){

				if (name == '*' && this.brokenStarGEBTN) break simpleSelectors;
				nodes = context.getElementsByTagName(name);
				if (first) return nodes[0] || null;
				for (i = 0; node = nodes[i++];){
					if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
				}

			} else if (symbol == '#'){

				if (!this.isHTMLDocument || !contextIsDocument) break simpleSelectors;
				node = context.getElementById(name);
				if (!node) return found;
				if (this.idGetsName && this.getAttribute(node, 'id') != name) break simpleSelectors;
				if (first) return node || null;
				if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);

			} else if (symbol == '.'){

				if (!this.isHTMLDocument || ((!context.getElementsByClassName || this.brokenGEBCN) && context.querySelectorAll)) break simpleSelectors;
				if (context.getElementsByClassName && !this.brokenGEBCN){
					nodes = context.getElementsByClassName(name);
					if (first) return nodes[0] || null;
					for (i = 0; node = nodes[i++];){
						if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
					}
				} else {
					var matchClass = new RegExp('(^|\\s)'+ Slick.escapeRegExp(name) +'(\\s|$)');
					nodes = context.getElementsByTagName('*');
					for (i = 0; node = nodes[i++];){
						className = node.className;
						if (!(className && matchClass.test(className))) continue;
						if (first) return node;
						if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
					}
				}

			}

			if (hasOthers) this.sort(found);
			return (first) ? null : found;

		}
		/*</simple-selectors-override>*/

		/*<query-selector-override>*/
		querySelector: if (context.querySelectorAll) {

			if (!this.isHTMLDocument
				|| qsaFailExpCache[expression]
				//TODO: only skip when expression is actually mixed case
				|| this.brokenMixedCaseQSA
				|| (this.brokenCheckedQSA && expression.indexOf(':checked') > -1)
				|| (this.brokenEmptyAttributeQSA && reEmptyAttribute.test(expression))
				|| (!contextIsDocument //Abort when !contextIsDocument and...
					//  there are multiple expressions in the selector
					//  since we currently only fix non-document rooted QSA for single expression selectors
					&& expression.indexOf(',') > -1
				)
				|| Slick.disableQSA
			) break querySelector;

			var _expression = expression,
				_context = context;

			if (!contextIsDocument){
				if (reSiblingContextSelector.test(_expression)) {
					context = _context.parentNode;
				}
				// non-document rooted QSA
				// credits to Andrew Dupont
				var currentId = _context.getAttribute('id'),
					slickid = 'slickid__';
				_context.setAttribute('id', slickid);
				_expression = '#' + slickid + ' ' + _expression;
			}

			try {
				if (first) return context.querySelector(_expression) || null;
				else nodes = context.querySelectorAll(_expression);
			} catch(e) {
				qsaFailExpCache[expression] = 1;
				break querySelector;
			} finally {
				if (!contextIsDocument){
					if (currentId) _context.setAttribute('id', currentId);
					else _context.removeAttribute('id');
					context = _context;
				}
			}

			if (this.starSelectsClosedQSA) for (i = 0; node = nodes[i++];){
				if (node.nodeName > '@' && !(hasOthers && uniques[this.getUID(node)])) found.push(node);
			} else for (i = 0; node = nodes[i++];){
				if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
			}

			if (hasOthers) this.sort(found);
			return found;

		}
		/*</query-selector-override>*/

		parsed = this.Slick.parse(expression);
		if (!parsed.length) return found;
	} else if (expression == null){ // there is no expression
		return found;
	} else if (expression.Slick){ // expression is a parsed Slick object
		parsed = expression;
	} else if (this.contains(context.documentElement || context, expression)){ // expression is a node
		(found) ? found.push(expression) : found = expression;
		return found;
	} else { // other junk
		return found;
	}

	/*<pseudo-selectors>*//*<nth-pseudo-selectors>*/

	// cache elements for the nth selectors

	this.posNTH = {};
	this.posNTHLast = {};
	this.posNTHType = {};
	this.posNTHTypeLast = {};

	/*</nth-pseudo-selectors>*//*</pseudo-selectors>*/

	// if append is null and there is only a single selector with one expression use pushArray, else use pushUID
	this.push = (!hasOthers && (first || (parsed.length == 1 && parsed.expressions[0].length == 1))) ? this.pushArray : this.pushUID;

	if (found == null) found = [];

	// default engine

	var j, m, n,
		combinator, tag, id, classList, classes, attributes, pseudos,
		currentItems, currentExpression, currentBit, lastBit, expressions = parsed.expressions;

	search: for (i = 0; (currentExpression = expressions[i]); i++) for (j = 0; (currentBit = currentExpression[j]); j++){

		combinator = 'combinator:' + currentBit.combinator;
		if (!this[combinator]) continue search;

		tag        = (this.isXMLDocument) ? currentBit.tag : currentBit.tag.toUpperCase();
		id         = currentBit.id;
		classList  = currentBit.classList;
		classes    = currentBit.classes;
		attributes = currentBit.attributes;
		pseudos    = currentBit.pseudos;
		lastBit    = (j === (currentExpression.length - 1));

		this.bitUniques = {};

		if (lastBit){
			this.uniques = uniques;
			this.found = found;
		} else {
			this.uniques = {};
			this.found = [];
		}

		if (j === 0){
			this[combinator](context, tag, id, classes, attributes, pseudos, classList);
			if (first && lastBit && found.length) break search;
		} else {
			if (first && lastBit) for (m = 0, n = currentItems.length; m < n; m++){
				this[combinator](currentItems[m], tag, id, classes, attributes, pseudos, classList);
				if (found.length) break search;
			} else for (m = 0, n = currentItems.length; m < n; m++) this[combinator](currentItems[m], tag, id, classes, attributes, pseudos, classList);
		}

		currentItems = this.found;
	}

	// should sort if there are nodes in append and if you pass multiple expressions.
	if (hasOthers || (parsed.expressions.length > 1)) this.sort(found);

	return (first) ? (found[0] || null) : found;
};

// Utils

local.uidx = 1;
local.uidk = 'slick-uniqueid';

local.getUIDXML = function(node){
	var uid = node.getAttribute(this.uidk);
	if (!uid){
		uid = this.uidx++;
		node.setAttribute(this.uidk, uid);
	}
	return uid;
};

local.getUIDHTML = function(node){
	return node.uniqueNumber || (node.uniqueNumber = this.uidx++);
};

// sort based on the setDocument documentSorter method.

local.sort = function(results){
	if (!this.documentSorter) return results;
	results.sort(this.documentSorter);
	return results;
};

/*<pseudo-selectors>*//*<nth-pseudo-selectors>*/

local.cacheNTH = {};

local.matchNTH = /^([+-]?\d*)?([a-z]+)?([+-]\d+)?$/;

local.parseNTHArgument = function(argument){
	var parsed = argument.match(this.matchNTH);
	if (!parsed) return false;
	var special = parsed[2] || false;
	var a = parsed[1] || 1;
	if (a == '-') a = -1;
	var b = +parsed[3] || 0;
	parsed =
		(special == 'n')	? {a: a, b: b} :
		(special == 'odd')	? {a: 2, b: 1} :
		(special == 'even')	? {a: 2, b: 0} : {a: 0, b: a};

	return (this.cacheNTH[argument] = parsed);
};

local.createNTHPseudo = function(child, sibling, positions, ofType){
	return function(node, argument){
		var uid = this.getUID(node);
		if (!this[positions][uid]){
			var parent = node.parentNode;
			if (!parent) return false;
			var el = parent[child], count = 1;
			if (ofType){
				var nodeName = node.nodeName;
				do {
					if (el.nodeName != nodeName) continue;
					this[positions][this.getUID(el)] = count++;
				} while ((el = el[sibling]));
			} else {
				do {
					if (el.nodeType != 1) continue;
					this[positions][this.getUID(el)] = count++;
				} while ((el = el[sibling]));
			}
		}
		argument = argument || 'n';
		var parsed = this.cacheNTH[argument] || this.parseNTHArgument(argument);
		if (!parsed) return false;
		var a = parsed.a, b = parsed.b, pos = this[positions][uid];
		if (a == 0) return b == pos;
		if (a > 0){
			if (pos < b) return false;
		} else {
			if (b < pos) return false;
		}
		return ((pos - b) % a) == 0;
	};
};

/*</nth-pseudo-selectors>*//*</pseudo-selectors>*/

local.pushArray = function(node, tag, id, classes, attributes, pseudos){
	if (this.matchSelector(node, tag, id, classes, attributes, pseudos)) this.found.push(node);
};

local.pushUID = function(node, tag, id, classes, attributes, pseudos){
	var uid = this.getUID(node);
	if (!this.uniques[uid] && this.matchSelector(node, tag, id, classes, attributes, pseudos)){
		this.uniques[uid] = true;
		this.found.push(node);
	}
};

local.matchNode = function(node, selector){
	if (this.isHTMLDocument && this.nativeMatchesSelector){
		try {
			return this.nativeMatchesSelector.call(node, selector.replace(/\[([^=]+)=\s*([^'"\]]+?)\s*\]/g, '[$1="$2"]'));
		} catch(matchError) {}
	}

	var parsed = this.Slick.parse(selector);
	if (!parsed) return true;

	// simple (single) selectors
	var expressions = parsed.expressions, simpleExpCounter = 0, i;
	for (i = 0; (currentExpression = expressions[i]); i++){
		if (currentExpression.length == 1){
			var exp = currentExpression[0];
			if (this.matchSelector(node, (this.isXMLDocument) ? exp.tag : exp.tag.toUpperCase(), exp.id, exp.classes, exp.attributes, exp.pseudos)) return true;
			simpleExpCounter++;
		}
	}

	if (simpleExpCounter == parsed.length) return false;

	var nodes = this.search(this.document, parsed), item;
	for (i = 0; item = nodes[i++];){
		if (item === node) return true;
	}
	return false;
};

local.matchPseudo = function(node, name, argument){
	var pseudoName = 'pseudo:' + name;
	if (this[pseudoName]) {
		// saves a this.found reference so if the pseudo-selector
		// uses Slick it wont mess with the current reference
		var found = this.found,
			result = this[pseudoName](node, argument);
		this.found = found;
		return result;
	}
	var attribute = this.getAttribute(node, name);
	return (argument) ? argument == attribute : !!attribute;
};

local.matchSelector = function(node, tag, id, classes, attributes, pseudos){
	if (tag){
		var nodeName = (this.isXMLDocument) ? node.nodeName : node.nodeName.toUpperCase();
		if (tag == '*'){
			if (nodeName < '@') return false; // Fix for comment nodes and closed nodes
		} else {
			if (nodeName != tag) return false;
		}
	}

	if (id && node.getAttribute('id') != id) return false;

	var i, part, cls;
	if (classes) for (i = classes.length; i--;){
		cls = this.getAttribute(node, 'class');
		if (!(cls && classes[i].regexp.test(cls))) return false;
	}
	if (attributes) for (i = attributes.length; i--;){
		part = attributes[i];
		if (part.operator ? !part.test(this.getAttribute(node, part.key)) : !this.hasAttribute(node, part.key)) return false;
	}
	if (pseudos) for (i = pseudos.length; i--;){
		part = pseudos[i];
		if (!this.matchPseudo(node, part.key, part.value)) return false;
	}
	return true;
};

var combinators = {

	' ': function(node, tag, id, classes, attributes, pseudos, classList){ // all child nodes, any level

		var i, item, children;

		if (this.isHTMLDocument){
			getById: if (id){
				item = this.document.getElementById(id);
				if ((!item && node.all) || (this.idGetsName && item && this.getAttribute(item, 'id') != id)){
					// all[id] returns all the elements with that name or id inside node
					// if theres just one it will return the element, else it will be a collection
					children = node.all[id];
					if (!children) return;
					if (!children[0]) children = [children];
					for (i = 0; item = children[i++];){
						if (this.getAttribute(item, 'id') == id){
							this.push(item, tag, null, classes, attributes, pseudos);
							break;
						}
					}
					return;
				}
				if (!item){
					// if the context is in the dom we return, else we will try GEBTN, breaking the getById label
					if (this.contains(this.root, node)) return;
					else break getById;
				} else if (this.document !== node && !this.contains(node, item)) return;
				this.push(item, tag, null, classes, attributes, pseudos);
				return;
			}
			getByClass: if (classes && node.getElementsByClassName && !this.brokenGEBCN){
				children = node.getElementsByClassName(classList.join(' '));
				if (!(children && children.length)) break getByClass;
				for (i = 0; item = children[i++];) this.push(item, tag, id, null, attributes, pseudos);
				return;
			}
		}
		getByTag: {
			children = node.getElementsByTagName(tag);
			if (!(children && children.length)) break getByTag;
			if (!this.brokenStarGEBTN) tag = null;
			for (i = 0; item = children[i++];) this.push(item, tag, id, classes, attributes, pseudos);
		}
	},

	'>': function(node, tag, id, classes, attributes, pseudos){ // direct children
		if ((node = node.firstChild)) do {
			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
		} while ((node = node.nextSibling));
	},

	'+': function(node, tag, id, classes, attributes, pseudos){ // next sibling
		while ((node = node.nextSibling)) if (node.nodeType == 1){
			this.push(node, tag, id, classes, attributes, pseudos);
			break;
		}
	},

	'^': function(node, tag, id, classes, attributes, pseudos){ // first child
		node = node.firstChild;
		if (node){
			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
			else this['combinator:+'](node, tag, id, classes, attributes, pseudos);
		}
	},

	'~': function(node, tag, id, classes, attributes, pseudos){ // next siblings
		while ((node = node.nextSibling)){
			if (node.nodeType != 1) continue;
			var uid = this.getUID(node);
			if (this.bitUniques[uid]) break;
			this.bitUniques[uid] = true;
			this.push(node, tag, id, classes, attributes, pseudos);
		}
	},

	'++': function(node, tag, id, classes, attributes, pseudos){ // next sibling and previous sibling
		this['combinator:+'](node, tag, id, classes, attributes, pseudos);
		this['combinator:!+'](node, tag, id, classes, attributes, pseudos);
	},

	'~~': function(node, tag, id, classes, attributes, pseudos){ // next siblings and previous siblings
		this['combinator:~'](node, tag, id, classes, attributes, pseudos);
		this['combinator:!~'](node, tag, id, classes, attributes, pseudos);
	},

	'!': function(node, tag, id, classes, attributes, pseudos){ // all parent nodes up to document
		while ((node = node.parentNode)) if (node !== this.document) this.push(node, tag, id, classes, attributes, pseudos);
	},

	'!>': function(node, tag, id, classes, attributes, pseudos){ // direct parent (one level)
		node = node.parentNode;
		if (node !== this.document) this.push(node, tag, id, classes, attributes, pseudos);
	},

	'!+': function(node, tag, id, classes, attributes, pseudos){ // previous sibling
		while ((node = node.previousSibling)) if (node.nodeType == 1){
			this.push(node, tag, id, classes, attributes, pseudos);
			break;
		}
	},

	'!^': function(node, tag, id, classes, attributes, pseudos){ // last child
		node = node.lastChild;
		if (node){
			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
			else this['combinator:!+'](node, tag, id, classes, attributes, pseudos);
		}
	},

	'!~': function(node, tag, id, classes, attributes, pseudos){ // previous siblings
		while ((node = node.previousSibling)){
			if (node.nodeType != 1) continue;
			var uid = this.getUID(node);
			if (this.bitUniques[uid]) break;
			this.bitUniques[uid] = true;
			this.push(node, tag, id, classes, attributes, pseudos);
		}
	}

};

for (var c in combinators) local['combinator:' + c] = combinators[c];

var pseudos = {

	/*<pseudo-selectors>*/

	'empty': function(node){
		var child = node.firstChild;
		return !(child && child.nodeType == 1) && !(node.innerText || node.textContent || '').length;
	},

	'not': function(node, expression){
		return !this.matchNode(node, expression);
	},

	'contains': function(node, text){
		return (node.innerText || node.textContent || '').indexOf(text) > -1;
	},

	'first-child': function(node){
		while ((node = node.previousSibling)) if (node.nodeType == 1) return false;
		return true;
	},

	'last-child': function(node){
		while ((node = node.nextSibling)) if (node.nodeType == 1) return false;
		return true;
	},

	'only-child': function(node){
		var prev = node;
		while ((prev = prev.previousSibling)) if (prev.nodeType == 1) return false;
		var next = node;
		while ((next = next.nextSibling)) if (next.nodeType == 1) return false;
		return true;
	},

	/*<nth-pseudo-selectors>*/

	'nth-child': local.createNTHPseudo('firstChild', 'nextSibling', 'posNTH'),

	'nth-last-child': local.createNTHPseudo('lastChild', 'previousSibling', 'posNTHLast'),

	'nth-of-type': local.createNTHPseudo('firstChild', 'nextSibling', 'posNTHType', true),

	'nth-last-of-type': local.createNTHPseudo('lastChild', 'previousSibling', 'posNTHTypeLast', true),

	'index': function(node, index){
		return this['pseudo:nth-child'](node, '' + ((+index) + 1));
	},

	'even': function(node){
		return this['pseudo:nth-child'](node, '2n');
	},

	'odd': function(node){
		return this['pseudo:nth-child'](node, '2n+1');
	},

	/*</nth-pseudo-selectors>*/

	/*<of-type-pseudo-selectors>*/

	'first-of-type': function(node){
		var nodeName = node.nodeName;
		while ((node = node.previousSibling)) if (node.nodeName == nodeName) return false;
		return true;
	},

	'last-of-type': function(node){
		var nodeName = node.nodeName;
		while ((node = node.nextSibling)) if (node.nodeName == nodeName) return false;
		return true;
	},

	'only-of-type': function(node){
		var prev = node, nodeName = node.nodeName;
		while ((prev = prev.previousSibling)) if (prev.nodeName == nodeName) return false;
		var next = node;
		while ((next = next.nextSibling)) if (next.nodeName == nodeName) return false;
		return true;
	},

	/*</of-type-pseudo-selectors>*/

	// custom pseudos

	'enabled': function(node){
		return !node.disabled;
	},

	'disabled': function(node){
		return node.disabled;
	},

	'checked': function(node){
		return node.checked || node.selected;
	},

	'focus': function(node){
		return this.isHTMLDocument && this.document.activeElement === node && (node.href || node.type || this.hasAttribute(node, 'tabindex'));
	},

	'root': function(node){
		return (node === this.root);
	},

	'selected': function(node){
		return node.selected;
	}

	/*</pseudo-selectors>*/
};

for (var p in pseudos) local['pseudo:' + p] = pseudos[p];

// attributes methods

var attributeGetters = local.attributeGetters = {

	'for': function(){
		return ('htmlFor' in this) ? this.htmlFor : this.getAttribute('for');
	},

	'href': function(){
		return ('href' in this) ? this.getAttribute('href', 2) : this.getAttribute('href');
	},

	'style': function(){
		return (this.style) ? this.style.cssText : this.getAttribute('style');
	},

	'type': function(){
		return this.getAttribute('type');
	},

	'tabindex': function(){
		var attributeNode = this.getAttributeNode('tabindex');
		return (attributeNode && attributeNode.specified) ? attributeNode.nodeValue : null;
	},

	'maxlength': function(){
		var attributeNode = this.getAttributeNode('maxLength');
		return (attributeNode && attributeNode.specified) ? attributeNode.nodeValue : null;
	}

};

attributeGetters.MAXLENGTH = attributeGetters.maxLength = attributeGetters.maxlength;

// Slick

var Slick = local.Slick = (this.Slick || {});

Slick.version = '1.1.7';

// Slick finder

Slick.search = function(context, expression, append){
	return local.search(context, expression, append);
};

Slick.find = function(context, expression){
	return local.search(context, expression, null, true);
};

// Slick containment checker

Slick.contains = function(container, node){
	local.setDocument(container);
	return local.contains(container, node);
};

// Slick attribute getter

Slick.getAttribute = function(node, name){
	local.setDocument(node);
	return local.getAttribute(node, name);
};

Slick.hasAttribute = function(node, name){
	local.setDocument(node);
	return local.hasAttribute(node, name);
};

// Slick matcher

Slick.match = function(node, selector){
	if (!(node && selector)) return false;
	if (!selector || selector === node) return true;
	local.setDocument(node);
	return local.matchNode(node, selector);
};

// Slick attribute accessor

Slick.defineAttributeGetter = function(name, fn){
	local.attributeGetters[name] = fn;
	return this;
};

Slick.lookupAttributeGetter = function(name){
	return local.attributeGetters[name];
};

// Slick pseudo accessor

Slick.definePseudo = function(name, fn){
	local['pseudo:' + name] = function(node, argument){
		return fn.call(node, argument);
	};
	return this;
};

Slick.lookupPseudo = function(name){
	var pseudo = local['pseudo:' + name];
	if (pseudo) return function(argument){
		return pseudo.call(this, argument);
	};
	return null;
};

// Slick overrides accessor

Slick.override = function(regexp, fn){
	local.override(regexp, fn);
	return this;
};

Slick.isXML = local.isXML;

Slick.uidOf = function(node){
	return local.getUIDHTML(node);
};

if (!this.Slick) this.Slick = Slick;

}).apply(/*<CommonJS>*/(typeof exports != 'undefined') ? exports : /*</CommonJS>*/this);