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-rw-r--r--reports/site_media/yui/dom/README75
-rw-r--r--reports/site_media/yui/dom/dom-debug.js927
-rw-r--r--reports/site_media/yui/dom/dom-min.js59
-rw-r--r--reports/site_media/yui/dom/dom.js892
4 files changed, 1953 insertions, 0 deletions
diff --git a/reports/site_media/yui/dom/README b/reports/site_media/yui/dom/README
new file mode 100644
index 000000000..966543f58
--- /dev/null
+++ b/reports/site_media/yui/dom/README
@@ -0,0 +1,75 @@
+Dom Release Notes
+
+*** version 0.12.2 ***
+* no change
+
+*** version 0.12.1 ***
+
+* getElementsByClassName no longer reverts to document when "root" not found
+* setXY no longer makes a second call to getXY unless noRetry is false
+* minified version no longer strips line breaks
+
+*** version 0.12.0 ***
+
+* fixed getXY for IE null parent
+* branching set/getStyle at load time instead of run time
+
+*** version 0.11.3 ***
+
+* fixed getX and getY returning incorrect values for collections
+* fixed getXY incorrectly calculated for Opera inline elements
+* fixed isAncestor failure in safari when 2nd arg is document.documentElement
+* fixed infinite loop in replaceClass when oldClassName == newClassName
+* getDocumentWidth no longer includes scrollbars
+
+
+*** version 0.11.2 ***
+* limit depth of parent.document crawl to 1 for getXY
+* test offsetParent instead of parentNode for getXY
+* return null if no el fo r get
+* just addClass if no class to replace for replaceClass
+
+
+*** version 0.11.1 ***
+
+* return null if el is null for get()
+* test offsetParent rather than parentNode for getXY()
+* limit depth of parent.document crawl for IE getXY() to 1
+* if no oldClassName to replace, just addClass for replaceClass()
+
+
+*** version 0.11.0 ***
+* Work around Opera 9 broken currentStyle
+* Removed timeout wrapper from setXY retry
+* Tagname tests now case-insensitive
+* Internal "this" references changed to allow for method shorthand
+* get/setStyle now accept both camel and hyphen case
+* Gecko reverted to crawling offsets for getXY
+
+
+*** version 0.10.0 ***
+
+* Safari now fails gracefully when querying computedStyle of an unavailable element
+
+* Class management functions added (hasClass, addClass, removeClass, replaceClass, getElementsByClassName)
+
+* All methods that accept HTMLElements or IDs now also accept arrays of HTMLElements and/or IDs
+
+* GenerateId method added
+
+* isAncestor method added
+
+* inDocument method added
+
+* getElementsBy method added
+
+* batch method added
+
+* getClientHeight/Width deprecated in favor of getViewportHeight/Width
+
+* getDocumentHeight/Width methods added
+
+*** version 0.9.0 ***
+
+* Initial release
+
diff --git a/reports/site_media/yui/dom/dom-debug.js b/reports/site_media/yui/dom/dom-debug.js
new file mode 100644
index 000000000..e9368d90f
--- /dev/null
+++ b/reports/site_media/yui/dom/dom-debug.js
@@ -0,0 +1,927 @@
+/*
+Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 0.12.2
+*/
+/**
+ * The dom module provides helper methods for manipulating Dom elements.
+ * @module dom
+ *
+ */
+
+(function() {
+ var Y = YAHOO.util, // internal shorthand
+ getStyle, // for load time browser branching
+ setStyle, // ditto
+ id_counter = 0, // for use with generateId
+ propertyCache = {}; // for faster hyphen converts
+
+ // brower detection
+ var ua = navigator.userAgent.toLowerCase(),
+ isOpera = (ua.indexOf('opera') > -1),
+ isSafari = (ua.indexOf('safari') > -1),
+ isGecko = (!isOpera && !isSafari && ua.indexOf('gecko') > -1),
+ isIE = (!isOpera && ua.indexOf('msie') > -1);
+
+ // regex cache
+ var patterns = {
+ HYPHEN: /(-[a-z])/i
+ };
+
+ var logger = {};
+ logger.log = function() { YAHOO.log.apply(window, arguments); };
+
+ var toCamel = function(property) {
+ if ( !patterns.HYPHEN.test(property) ) {
+ return property; // no hyphens
+ }
+
+ if (propertyCache[property]) { // already converted
+ return propertyCache[property];
+ }
+
+ while( patterns.HYPHEN.exec(property) ) {
+ property = property.replace(RegExp.$1,
+ RegExp.$1.substr(1).toUpperCase());
+ }
+
+ propertyCache[property] = property;
+ return property;
+ //return property.replace(/-([a-z])/gi, function(m0, m1) {return m1.toUpperCase()}) // cant use function as 2nd arg yet due to safari bug
+ };
+
+ // branching at load instead of runtime
+ if (document.defaultView && document.defaultView.getComputedStyle) { // W3C DOM method
+ getStyle = function(el, property) {
+ var value = null;
+
+ var computed = document.defaultView.getComputedStyle(el, '');
+ if (computed) { // test computed before touching for safari
+ value = computed[toCamel(property)];
+ }
+
+ return el.style[property] || value;
+ };
+ } else if (document.documentElement.currentStyle && isIE) { // IE method
+ getStyle = function(el, property) {
+ switch( toCamel(property) ) {
+ case 'opacity' :// IE opacity uses filter
+ var val = 100;
+ try { // will error if no DXImageTransform
+ val = el.filters['DXImageTransform.Microsoft.Alpha'].opacity;
+
+ } catch(e) {
+ try { // make sure its in the document
+ val = el.filters('alpha').opacity;
+ } catch(e) {
+ logger.log('getStyle: IE filter failed',
+ 'error', 'Dom');
+ }
+ }
+ return val / 100;
+ break;
+ default:
+ // test currentStyle before touching
+ var value = el.currentStyle ? el.currentStyle[property] : null;
+ return ( el.style[property] || value );
+ }
+ };
+ } else { // default to inline only
+ getStyle = function(el, property) { return el.style[property]; };
+ }
+
+ if (isIE) {
+ setStyle = function(el, property, val) {
+ switch (property) {
+ case 'opacity':
+ if ( typeof el.style.filter == 'string' ) { // in case not appended
+ el.style.filter = 'alpha(opacity=' + val * 100 + ')';
+
+ if (!el.currentStyle || !el.currentStyle.hasLayout) {
+ el.style.zoom = 1; // when no layout or cant tell
+ }
+ }
+ break;
+ default:
+ el.style[property] = val;
+ }
+ };
+ } else {
+ setStyle = function(el, property, val) {
+ el.style[property] = val;
+ };
+ }
+
+ /**
+ * Provides helper methods for DOM elements.
+ * @namespace YAHOO.util
+ * @class Dom
+ */
+ YAHOO.util.Dom = {
+ /**
+ * Returns an HTMLElement reference.
+ * @method get
+ * @param {String | HTMLElement |Array} el Accepts a string to use as an ID for getting a DOM reference, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @return {HTMLElement | Array} A DOM reference to an HTML element or an array of HTMLElements.
+ */
+ get: function(el) {
+ if (!el) { return null; } // nothing to work with
+
+ if (typeof el != 'string' && !(el instanceof Array) ) { // assuming HTMLElement or HTMLCollection, so pass back as is
+ logger.log('get(' + el + ') returning ' + el, 'info', 'Dom');
+ return el;
+ }
+
+ if (typeof el == 'string') { // ID
+ logger.log('get("' + el + '") returning ' + document.getElementById(el), 'info', 'Dom');
+ return document.getElementById(el);
+ }
+ else { // array of ID's and/or elements
+ var collection = [];
+ for (var i = 0, len = el.length; i < len; ++i) {
+ collection[collection.length] = Y.Dom.get(el[i]);
+ }
+
+ logger.log('get("' + el + '") returning ' + collection, 'info', 'Dom');
+ return collection;
+ }
+
+ logger.log('element ' + el + ' not found', 'error', 'Dom');
+ return null; // safety, should never happen
+ },
+
+ /**
+ * Normalizes currentStyle and ComputedStyle.
+ * @method getStyle
+ * @param {String | HTMLElement |Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {String} property The style property whose value is returned.
+ * @return {String | Array} The current value of the style property for the element(s).
+ */
+ getStyle: function(el, property) {
+ property = toCamel(property);
+
+ var f = function(element) {
+ return getStyle(element, property);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Wrapper for setting style properties of HTMLElements. Normalizes "opacity" across modern browsers.
+ * @method setStyle
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {String} property The style property to be set.
+ * @param {String} val The value to apply to the given property.
+ */
+ setStyle: function(el, property, val) {
+ property = toCamel(property);
+
+ var f = function(element) {
+ setStyle(element, property, val);
+ logger.log('setStyle setting ' + property + ' to ' + val, 'info', 'Dom');
+
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getXY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {Array} The XY position of the element(s)
+ */
+ getXY: function(el) {
+ var f = function(el) {
+
+ // has to be part of document to have pageXY
+ if (el.parentNode === null || el.offsetParent === null ||
+ this.getStyle(el, 'display') == 'none') {
+ logger.log('getXY failed: element not available', 'error', 'Dom');
+ return false;
+ }
+
+ var parentNode = null;
+ var pos = [];
+ var box;
+
+ if (el.getBoundingClientRect) { // IE
+ box = el.getBoundingClientRect();
+ var doc = document;
+ if ( !this.inDocument(el) && parent.document != document) {// might be in a frame, need to get its scroll
+ doc = parent.document;
+
+ if ( !this.isAncestor(doc.documentElement, el) ) {
+ logger.log('getXY failed: element not available', 'error', 'Dom');
+ return false;
+ }
+
+ }
+
+ var scrollTop = Math.max(doc.documentElement.scrollTop, doc.body.scrollTop);
+ var scrollLeft = Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft);
+
+ return [box.left + scrollLeft, box.top + scrollTop];
+ }
+ else { // safari, opera, & gecko
+ pos = [el.offsetLeft, el.offsetTop];
+ parentNode = el.offsetParent;
+ if (parentNode != el) {
+ while (parentNode) {
+ pos[0] += parentNode.offsetLeft;
+ pos[1] += parentNode.offsetTop;
+ parentNode = parentNode.offsetParent;
+ }
+ }
+ if (isSafari && this.getStyle(el, 'position') == 'absolute' ) { // safari doubles in some cases
+ pos[0] -= document.body.offsetLeft;
+ pos[1] -= document.body.offsetTop;
+ }
+ }
+
+ if (el.parentNode) { parentNode = el.parentNode; }
+ else { parentNode = null; }
+
+ while (parentNode && parentNode.tagName.toUpperCase() != 'BODY' && parentNode.tagName.toUpperCase() != 'HTML')
+ { // account for any scrolled ancestors
+ if (Y.Dom.getStyle(parentNode, 'display') != 'inline') { // work around opera inline scrollLeft/Top bug
+ pos[0] -= parentNode.scrollLeft;
+ pos[1] -= parentNode.scrollTop;
+ }
+
+ if (parentNode.parentNode) {
+ parentNode = parentNode.parentNode;
+ } else { parentNode = null; }
+ }
+
+ logger.log('getXY returning ' + pos, 'info', 'Dom');
+
+ return pos;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current X position of an element based on page coordinates. The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getX
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {String | Array} The X position of the element(s)
+ */
+ getX: function(el) {
+ var f = function(el) {
+ return Y.Dom.getXY(el)[0];
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current Y position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {String | Array} The Y position of the element(s)
+ */
+ getY: function(el) {
+ var f = function(el) {
+ return Y.Dom.getXY(el)[1];
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Set the position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setXY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @param {Array} pos Contains X & Y values for new position (coordinates are page-based)
+ * @param {Boolean} noRetry By default we try and set the position a second time if the first fails
+ */
+ setXY: function(el, pos, noRetry) {
+ var f = function(el) {
+ var style_pos = this.getStyle(el, 'position');
+ if (style_pos == 'static') { // default to relative
+ this.setStyle(el, 'position', 'relative');
+ style_pos = 'relative';
+ }
+
+ var pageXY = this.getXY(el);
+ if (pageXY === false) { // has to be part of doc to have pageXY
+ logger.log('setXY failed: element not available', 'error', 'Dom');
+ return false;
+ }
+
+ var delta = [ // assuming pixels; if not we will have to retry
+ parseInt( this.getStyle(el, 'left'), 10 ),
+ parseInt( this.getStyle(el, 'top'), 10 )
+ ];
+
+ if ( isNaN(delta[0]) ) {// in case of 'auto'
+ delta[0] = (style_pos == 'relative') ? 0 : el.offsetLeft;
+ }
+ if ( isNaN(delta[1]) ) { // in case of 'auto'
+ delta[1] = (style_pos == 'relative') ? 0 : el.offsetTop;
+ }
+
+ if (pos[0] !== null) { el.style.left = pos[0] - pageXY[0] + delta[0] + 'px'; }
+ if (pos[1] !== null) { el.style.top = pos[1] - pageXY[1] + delta[1] + 'px'; }
+
+ if (!noRetry) {
+ var newXY = this.getXY(el);
+
+ // if retry is true, try one more time if we miss
+ if ( (pos[0] !== null && newXY[0] != pos[0]) ||
+ (pos[1] !== null && newXY[1] != pos[1]) ) {
+ this.setXY(el, pos, true);
+ }
+ }
+
+ logger.log('setXY setting position to ' + pos, 'info', 'Dom');
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Set the X position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setX
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {Int} x The value to use as the X coordinate for the element(s).
+ */
+ setX: function(el, x) {
+ Y.Dom.setXY(el, [x, null]);
+ },
+
+ /**
+ * Set the Y position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {Int} x To use as the Y coordinate for the element(s).
+ */
+ setY: function(el, y) {
+ Y.Dom.setXY(el, [null, y]);
+ },
+
+ /**
+ * Returns the region position of the given element.
+ * The element must be part of the DOM tree to have a region (display:none or elements not appended return false).
+ * @method getRegion
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @return {Region | Array} A Region or array of Region instances containing "top, left, bottom, right" member data.
+ */
+ getRegion: function(el) {
+ var f = function(el) {
+ var region = new Y.Region.getRegion(el);
+ logger.log('getRegion returning ' + region, 'info', 'Dom');
+ return region;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Returns the width of the client (viewport).
+ * @method getClientWidth
+ * @deprecated Now using getViewportWidth. This interface left intact for back compat.
+ * @return {Int} The width of the viewable area of the page.
+ */
+ getClientWidth: function() {
+ return Y.Dom.getViewportWidth();
+ },
+
+ /**
+ * Returns the height of the client (viewport).
+ * @method getClientHeight
+ * @deprecated Now using getViewportHeight. This interface left intact for back compat.
+ * @return {Int} The height of the viewable area of the page.
+ */
+ getClientHeight: function() {
+ return Y.Dom.getViewportHeight();
+ },
+
+ /**
+ * Returns a array of HTMLElements with the given class.
+ * For optimized performance, include a tag and/or root node when possible.
+ * @method getElementsByClassName
+ * @param {String} className The class name to match against
+ * @param {String} tag (optional) The tag name of the elements being collected
+ * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
+ * @return {Array} An array of elements that have the given class name
+ */
+ getElementsByClassName: function(className, tag, root) {
+ var method = function(el) { return Y.Dom.hasClass(el, className); };
+ return Y.Dom.getElementsBy(method, tag, root);
+ },
+
+ /**
+ * Determines whether an HTMLElement has the given className.
+ * @method hasClass
+ * @param {String | HTMLElement | Array} el The element or collection to test
+ * @param {String} className the class name to search for
+ * @return {Boolean | Array} A boolean value or array of boolean values
+ */
+ hasClass: function(el, className) {
+ var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
+
+ var f = function(el) {
+ logger.log('hasClass returning ' + re.test(el['className']), 'info', 'Dom');
+ return re.test(el['className']);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Adds a class name to a given element or collection of elements.
+ * @method addClass
+ * @param {String | HTMLElement | Array} el The element or collection to add the class to
+ * @param {String} className the class name to add to the class attribute
+ */
+ addClass: function(el, className) {
+ var f = function(el) {
+ if (this.hasClass(el, className)) { return; } // already present
+
+ logger.log('addClass adding ' + className, 'info', 'Dom');
+
+ el['className'] = [el['className'], className].join(' ');
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Removes a class name from a given element or collection of elements.
+ * @method removeClass
+ * @param {String | HTMLElement | Array} el The element or collection to remove the class from
+ * @param {String} className the class name to remove from the class attribute
+ */
+ removeClass: function(el, className) {
+ var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)', 'g');
+
+ var f = function(el) {
+ if (!this.hasClass(el, className)) { return; } // not present
+
+ logger.log('removeClass removing ' + className, 'info', 'Dom');
+
+ var c = el['className'];
+ el['className'] = c.replace(re, ' ');
+ if ( this.hasClass(el, className) ) { // in case of multiple adjacent
+ this.removeClass(el, className);
+ }
+
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Replace a class with another class for a given element or collection of elements.
+ * If no oldClassName is present, the newClassName is simply added.
+ * @method replaceClass
+ * @param {String | HTMLElement | Array} el The element or collection to remove the class from
+ * @param {String} oldClassName the class name to be replaced
+ * @param {String} newClassName the class name that will be replacing the old class name
+ */
+ replaceClass: function(el, oldClassName, newClassName) {
+ if (oldClassName === newClassName) { // avoid infinite loop
+ return false;
+ }
+
+ var re = new RegExp('(?:^|\\s+)' + oldClassName + '(?:\\s+|$)', 'g');
+
+ var f = function(el) {
+ logger.log('replaceClass replacing ' + oldClassName + ' with ' + newClassName, 'info', 'Dom');
+
+ if ( !this.hasClass(el, oldClassName) ) {
+ this.addClass(el, newClassName); // just add it if nothing to replace
+ return; // note return
+ }
+
+ el['className'] = el['className'].replace(re, ' ' + newClassName + ' ');
+
+ if ( this.hasClass(el, oldClassName) ) { // in case of multiple adjacent
+ this.replaceClass(el, oldClassName, newClassName);
+ }
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Generates a unique ID
+ * @method generateId
+ * @param {String | HTMLElement | Array} el (optional) An optional element array of elements to add an ID to (no ID is added if one is already present).
+ * @param {String} prefix (optional) an optional prefix to use (defaults to "yui-gen").
+ * @return {String | Array} The generated ID, or array of generated IDs (or original ID if already present on an element)
+ */
+ generateId: function(el, prefix) {
+ prefix = prefix || 'yui-gen';
+ el = el || {};
+
+ var f = function(el) {
+ if (el) {
+ el = Y.Dom.get(el);
+ } else {
+ el = {}; // just generating ID in this case
+ }
+
+ if (!el.id) {
+ el.id = prefix + id_counter++;
+ logger.log('generateId generating ' + el.id, 'info', 'Dom');
+ } // dont override existing
+
+ logger.log('generateId returning ' + el.id, 'info', 'Dom');
+
+ return el.id;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Determines whether an HTMLElement is an ancestor of another HTML element in the DOM hierarchy.
+ * @method isAncestor
+ * @param {String | HTMLElement} haystack The possible ancestor
+ * @param {String | HTMLElement} needle The possible descendent
+ * @return {Boolean} Whether or not the haystack is an ancestor of needle
+ */
+ isAncestor: function(haystack, needle) {
+ haystack = Y.Dom.get(haystack);
+ if (!haystack || !needle) { return false; }
+
+ var f = function(needle) {
+ if (haystack.contains && !isSafari) { // safari "contains" is broken
+ logger.log('isAncestor returning ' + haystack.contains(needle), 'info', 'Dom');
+ return haystack.contains(needle);
+ }
+ else if ( haystack.compareDocumentPosition ) {
+ logger.log('isAncestor returning ' + !!(haystack.compareDocumentPosition(needle) & 16), 'info', 'Dom');
+ return !!(haystack.compareDocumentPosition(needle) & 16);
+ }
+ else { // loop up and test each parent
+ var parent = needle.parentNode;
+
+ while (parent) {
+ if (parent == haystack) {
+ logger.log('isAncestor returning true', 'info', 'Dom');
+ return true;
+ }
+ else if (!parent.tagName || parent.tagName.toUpperCase() == 'HTML') {
+ logger.log('isAncestor returning false', 'info', 'Dom');
+ return false;
+ }
+
+ parent = parent.parentNode;
+ }
+ logger.log('isAncestor returning false', 'info', 'Dom');
+ return false;
+ }
+ };
+
+ return Y.Dom.batch(needle, f, Y.Dom, true);
+ },
+
+ /**
+ * Determines whether an HTMLElement is present in the current document.
+ * @method inDocument
+ * @param {String | HTMLElement} el The element to search for
+ * @return {Boolean} Whether or not the element is present in the current document
+ */
+ inDocument: function(el) {
+ var f = function(el) {
+ return this.isAncestor(document.documentElement, el);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Returns a array of HTMLElements that pass the test applied by supplied boolean method.
+ * For optimized performance, include a tag and/or root node when possible.
+ * @method getElementsBy
+ * @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
+
+ * @param {String} tag (optional) The tag name of the elements being collected
+ * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
+ */
+ getElementsBy: function(method, tag, root) {
+ tag = tag || '*';
+
+ var nodes = [];
+
+ if (root) {
+ root = Y.Dom.get(root);
+ if (!root) { // if no root node, then no children
+ return nodes;
+ }
+ } else {
+ root = document;
+ }
+
+ var elements = root.getElementsByTagName(tag);
+
+ if ( !elements.length && (tag == '*' && root.all) ) {
+ elements = root.all; // IE < 6
+ }
+
+ for (var i = 0, len = elements.length; i < len; ++i) {
+ if ( method(elements[i]) ) { nodes[nodes.length] = elements[i]; }
+ }
+
+ logger.log('getElementsBy returning ' + nodes, 'info', 'Dom');
+
+ return nodes;
+ },
+
+ /**
+ * Returns an array of elements that have had the supplied method applied.
+ * The method is called with the element(s) as the first arg, and the optional param as the second ( method(el, o) ).
+ * @method batch
+ * @param {String | HTMLElement | Array} el (optional) An element or array of elements to apply the method to
+ * @param {Function} method The method to apply to the element(s)
+ * @param {Any} o (optional) An optional arg that is passed to the supplied method
+ * @param {Boolean} override (optional) Whether or not to override the scope of "method" with "o"
+ * @return {HTMLElement | Array} The element(s) with the method applied
+ */
+ batch: function(el, method, o, override) {
+ var id = el;
+ el = Y.Dom.get(el);
+
+ var scope = (override) ? o : window;
+
+ if (!el || el.tagName || !el.length) { // is null or not a collection (tagName for SELECT and others that can be both an element and a collection)
+ if (!el) {
+ logger.log(id + ' not available', 'error', 'Dom');
+ return false;
+ }
+ return method.call(scope, el, o);
+ }
+
+ var collection = [];
+
+ for (var i = 0, len = el.length; i < len; ++i) {
+ if (!el[i]) {
+ id = el[i];
+ logger.log(id + ' not available', 'error', 'Dom');
+ }
+ collection[collection.length] = method.call(scope, el[i], o);
+ }
+
+ return collection;
+ },
+
+ /**
+ * Returns the height of the document.
+ * @method getDocumentHeight
+ * @return {Int} The height of the actual document (which includes the body and its margin).
+ */
+ getDocumentHeight: function() {
+ var scrollHeight = (document.compatMode != 'CSS1Compat') ? document.body.scrollHeight : document.documentElement.scrollHeight;
+
+ var h = Math.max(scrollHeight, Y.Dom.getViewportHeight());
+ logger.log('getDocumentHeight returning ' + h, 'info', 'Dom');
+ return h;
+ },
+
+ /**
+ * Returns the width of the document.
+ * @method getDocumentWidth
+ * @return {Int} The width of the actual document (which includes the body and its margin).
+ */
+ getDocumentWidth: function() {
+ var scrollWidth = (document.compatMode != 'CSS1Compat') ? document.body.scrollWidth : document.documentElement.scrollWidth;
+ var w = Math.max(scrollWidth, Y.Dom.getViewportWidth());
+ logger.log('getDocumentWidth returning ' + w, 'info', 'Dom');
+ return w;
+ },
+
+ /**
+ * Returns the current height of the viewport.
+ * @method getViewportHeight
+ * @return {Int} The height of the viewable area of the page (excludes scrollbars).
+ */
+ getViewportHeight: function() {
+ var height = self.innerHeight; // Safari, Opera
+ var mode = document.compatMode;
+
+ if ( (mode || isIE) && !isOpera ) { // IE, Gecko
+ height = (mode == 'CSS1Compat') ?
+ document.documentElement.clientHeight : // Standards
+ document.body.clientHeight; // Quirks
+ }
+
+ logger.log('getViewportHeight returning ' + height, 'info', 'Dom');
+ return height;
+ },
+
+ /**
+ * Returns the current width of the viewport.
+ * @method getViewportWidth
+ * @return {Int} The width of the viewable area of the page (excludes scrollbars).
+ */
+
+ getViewportWidth: function() {
+ var width = self.innerWidth; // Safari
+ var mode = document.compatMode;
+
+ if (mode || isIE) { // IE, Gecko, Opera
+ width = (mode == 'CSS1Compat') ?
+ document.documentElement.clientWidth : // Standards
+ document.body.clientWidth; // Quirks
+ }
+ logger.log('getViewportWidth returning ' + width, 'info', 'Dom');
+ return width;
+ }
+ };
+})();
+/**
+ * A region is a representation of an object on a grid. It is defined
+ * by the top, right, bottom, left extents, so is rectangular by default. If
+ * other shapes are required, this class could be extended to support it.
+ * @namespace YAHOO.util
+ * @class Region
+ * @param {Int} t the top extent
+ * @param {Int} r the right extent
+ * @param {Int} b the bottom extent
+ * @param {Int} l the left extent
+ * @constructor
+ */
+YAHOO.util.Region = function(t, r, b, l) {
+
+ /**
+ * The region's top extent
+ * @property top
+ * @type Int
+ */
+ this.top = t;
+
+ /**
+ * The region's top extent as index, for symmetry with set/getXY
+ * @property 1
+ * @type Int
+ */
+ this[1] = t;
+
+ /**
+ * The region's right extent
+ * @property right
+ * @type int
+ */
+ this.right = r;
+
+ /**
+ * The region's bottom extent
+ * @property bottom
+ * @type Int
+ */
+ this.bottom = b;
+
+ /**
+ * The region's left extent
+ * @property left
+ * @type Int
+ */
+ this.left = l;
+
+ /**
+ * The region's left extent as index, for symmetry with set/getXY
+ * @property 0
+ * @type Int
+ */
+ this[0] = l;
+};
+
+/**
+ * Returns true if this region contains the region passed in
+ * @method contains
+ * @param {Region} region The region to evaluate
+ * @return {Boolean} True if the region is contained with this region,
+ * else false
+ */
+YAHOO.util.Region.prototype.contains = function(region) {
+ return ( region.left >= this.left &&
+ region.right <= this.right &&
+ region.top >= this.top &&
+ region.bottom <= this.bottom );
+
+ // this.logger.debug("does " + this + " contain " + region + " ... " + ret);
+};
+
+/**
+ * Returns the area of the region
+ * @method getArea
+ * @return {Int} the region's area
+ */
+YAHOO.util.Region.prototype.getArea = function() {
+ return ( (this.bottom - this.top) * (this.right - this.left) );
+};
+
+/**
+ * Returns the region where the passed in region overlaps with this one
+ * @method intersect
+ * @param {Region} region The region that intersects
+ * @return {Region} The overlap region, or null if there is no overlap
+ */
+YAHOO.util.Region.prototype.intersect = function(region) {
+ var t = Math.max( this.top, region.top );
+ var r = Math.min( this.right, region.right );
+ var b = Math.min( this.bottom, region.bottom );
+ var l = Math.max( this.left, region.left );
+
+ if (b >= t && r >= l) {
+ return new YAHOO.util.Region(t, r, b, l);
+ } else {
+ return null;
+ }
+};
+
+/**
+ * Returns the region representing the smallest region that can contain both
+ * the passed in region and this region.
+ * @method union
+ * @param {Region} region The region that to create the union with
+ * @return {Region} The union region
+ */
+YAHOO.util.Region.prototype.union = function(region) {
+ var t = Math.min( this.top, region.top );
+ var r = Math.max( this.right, region.right );
+ var b = Math.max( this.bottom, region.bottom );
+ var l = Math.min( this.left, region.left );
+
+ return new YAHOO.util.Region(t, r, b, l);
+};
+
+/**
+ * toString
+ * @method toString
+ * @return string the region properties
+ */
+YAHOO.util.Region.prototype.toString = function() {
+ return ( "Region {" +
+ "top: " + this.top +
+ ", right: " + this.right +
+ ", bottom: " + this.bottom +
+ ", left: " + this.left +
+ "}" );
+};
+
+/**
+ * Returns a region that is occupied by the DOM element
+ * @method getRegion
+ * @param {HTMLElement} el The element
+ * @return {Region} The region that the element occupies
+ * @static
+ */
+YAHOO.util.Region.getRegion = function(el) {
+ var p = YAHOO.util.Dom.getXY(el);
+
+ var t = p[1];
+ var r = p[0] + el.offsetWidth;
+ var b = p[1] + el.offsetHeight;
+ var l = p[0];
+
+ return new YAHOO.util.Region(t, r, b, l);
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
+
+/**
+ * A point is a region that is special in that it represents a single point on
+ * the grid.
+ * @namespace YAHOO.util
+ * @class Point
+ * @param {Int} x The X position of the point
+ * @param {Int} y The Y position of the point
+ * @constructor
+ * @extends YAHOO.util.Region
+ */
+YAHOO.util.Point = function(x, y) {
+ if (x instanceof Array) { // accept output from Dom.getXY
+ y = x[1];
+ x = x[0];
+ }
+
+ /**
+ * The X position of the point, which is also the right, left and index zero (for Dom.getXY symmetry)
+ * @property x
+ * @type Int
+ */
+
+ this.x = this.right = this.left = this[0] = x;
+
+ /**
+ * The Y position of the point, which is also the top, bottom and index one (for Dom.getXY symmetry)
+ * @property y
+ * @type Int
+ */
+ this.y = this.top = this.bottom = this[1] = y;
+};
+
+YAHOO.util.Point.prototype = new YAHOO.util.Region();
+
diff --git a/reports/site_media/yui/dom/dom-min.js b/reports/site_media/yui/dom/dom-min.js
new file mode 100644
index 000000000..36e62f93a
--- /dev/null
+++ b/reports/site_media/yui/dom/dom-min.js
@@ -0,0 +1,59 @@
+/*
+Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 0.12.2
+*/
+
+(function(){var Y=YAHOO.util,getStyle,setStyle,id_counter=0,propertyCache={};var ua=navigator.userAgent.toLowerCase(),isOpera=(ua.indexOf('opera')>-1),isSafari=(ua.indexOf('safari')>-1),isGecko=(!isOpera&&!isSafari&&ua.indexOf('gecko')>-1),isIE=(!isOpera&&ua.indexOf('msie')>-1);var patterns={HYPHEN:/(-[a-z])/i};var toCamel=function(property){if(!patterns.HYPHEN.test(property)){return property;}
+if(propertyCache[property]){return propertyCache[property];}
+while(patterns.HYPHEN.exec(property)){property=property.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());}
+propertyCache[property]=property;return property;};if(document.defaultView&&document.defaultView.getComputedStyle){getStyle=function(el,property){var value=null;var computed=document.defaultView.getComputedStyle(el,'');if(computed){value=computed[toCamel(property)];}
+return el.style[property]||value;};}else if(document.documentElement.currentStyle&&isIE){getStyle=function(el,property){switch(toCamel(property)){case'opacity':var val=100;try{val=el.filters['DXImageTransform.Microsoft.Alpha'].opacity;}catch(e){try{val=el.filters('alpha').opacity;}catch(e){}}
+return val/100;break;default:var value=el.currentStyle?el.currentStyle[property]:null;return(el.style[property]||value);}};}else{getStyle=function(el,property){return el.style[property];};}
+if(isIE){setStyle=function(el,property,val){switch(property){case'opacity':if(typeof el.style.filter=='string'){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle||!el.currentStyle.hasLayout){el.style.zoom=1;}}
+break;default:el.style[property]=val;}};}else{setStyle=function(el,property,val){el.style[property]=val;};}
+YAHOO.util.Dom={get:function(el){if(!el){return null;}
+if(typeof el!='string'&&!(el instanceof Array)){return el;}
+if(typeof el=='string'){return document.getElementById(el);}
+else{var collection=[];for(var i=0,len=el.length;i<len;++i){collection[collection.length]=Y.Dom.get(el[i]);}
+return collection;}
+return null;},getStyle:function(el,property){property=toCamel(property);var f=function(element){return getStyle(element,property);};return Y.Dom.batch(el,f,Y.Dom,true);},setStyle:function(el,property,val){property=toCamel(property);var f=function(element){setStyle(element,property,val);};Y.Dom.batch(el,f,Y.Dom,true);},getXY:function(el){var f=function(el){if(el.parentNode===null||el.offsetParent===null||this.getStyle(el,'display')=='none'){return false;}
+var parentNode=null;var pos=[];var box;if(el.getBoundingClientRect){box=el.getBoundingClientRect();var doc=document;if(!this.inDocument(el)&&parent.document!=document){doc=parent.document;if(!this.isAncestor(doc.documentElement,el)){return false;}}
+var scrollTop=Math.max(doc.documentElement.scrollTop,doc.body.scrollTop);var scrollLeft=Math.max(doc.documentElement.scrollLeft,doc.body.scrollLeft);return[box.left+scrollLeft,box.top+scrollTop];}
+else{pos=[el.offsetLeft,el.offsetTop];parentNode=el.offsetParent;if(parentNode!=el){while(parentNode){pos[0]+=parentNode.offsetLeft;pos[1]+=parentNode.offsetTop;parentNode=parentNode.offsetParent;}}
+if(isSafari&&this.getStyle(el,'position')=='absolute'){pos[0]-=document.body.offsetLeft;pos[1]-=document.body.offsetTop;}}
+if(el.parentNode){parentNode=el.parentNode;}
+else{parentNode=null;}
+while(parentNode&&parentNode.tagName.toUpperCase()!='BODY'&&parentNode.tagName.toUpperCase()!='HTML')
+{if(Y.Dom.getStyle(parentNode,'display')!='inline'){pos[0]-=parentNode.scrollLeft;pos[1]-=parentNode.scrollTop;}
+if(parentNode.parentNode){parentNode=parentNode.parentNode;}else{parentNode=null;}}
+return pos;};return Y.Dom.batch(el,f,Y.Dom,true);},getX:function(el){var f=function(el){return Y.Dom.getXY(el)[0];};return Y.Dom.batch(el,f,Y.Dom,true);},getY:function(el){var f=function(el){return Y.Dom.getXY(el)[1];};return Y.Dom.batch(el,f,Y.Dom,true);},setXY:function(el,pos,noRetry){var f=function(el){var style_pos=this.getStyle(el,'position');if(style_pos=='static'){this.setStyle(el,'position','relative');style_pos='relative';}
+var pageXY=this.getXY(el);if(pageXY===false){return false;}
+var delta=[parseInt(this.getStyle(el,'left'),10),parseInt(this.getStyle(el,'top'),10)];if(isNaN(delta[0])){delta[0]=(style_pos=='relative')?0:el.offsetLeft;}
+if(isNaN(delta[1])){delta[1]=(style_pos=='relative')?0:el.offsetTop;}
+if(pos[0]!==null){el.style.left=pos[0]-pageXY[0]+delta[0]+'px';}
+if(pos[1]!==null){el.style.top=pos[1]-pageXY[1]+delta[1]+'px';}
+if(!noRetry){var newXY=this.getXY(el);if((pos[0]!==null&&newXY[0]!=pos[0])||(pos[1]!==null&&newXY[1]!=pos[1])){this.setXY(el,pos,true);}}};Y.Dom.batch(el,f,Y.Dom,true);},setX:function(el,x){Y.Dom.setXY(el,[x,null]);},setY:function(el,y){Y.Dom.setXY(el,[null,y]);},getRegion:function(el){var f=function(el){var region=new Y.Region.getRegion(el);return region;};return Y.Dom.batch(el,f,Y.Dom,true);},getClientWidth:function(){return Y.Dom.getViewportWidth();},getClientHeight:function(){return Y.Dom.getViewportHeight();},getElementsByClassName:function(className,tag,root){var method=function(el){return Y.Dom.hasClass(el,className);};return Y.Dom.getElementsBy(method,tag,root);},hasClass:function(el,className){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)');var f=function(el){return re.test(el['className']);};return Y.Dom.batch(el,f,Y.Dom,true);},addClass:function(el,className){var f=function(el){if(this.hasClass(el,className)){return;}
+el['className']=[el['className'],className].join(' ');};Y.Dom.batch(el,f,Y.Dom,true);},removeClass:function(el,className){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,className)){return;}
+var c=el['className'];el['className']=c.replace(re,' ');if(this.hasClass(el,className)){this.removeClass(el,className);}};Y.Dom.batch(el,f,Y.Dom,true);},replaceClass:function(el,oldClassName,newClassName){if(oldClassName===newClassName){return false;}
+var re=new RegExp('(?:^|\\s+)'+oldClassName+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,oldClassName)){this.addClass(el,newClassName);return;}
+el['className']=el['className'].replace(re,' '+newClassName+' ');if(this.hasClass(el,oldClassName)){this.replaceClass(el,oldClassName,newClassName);}};Y.Dom.batch(el,f,Y.Dom,true);},generateId:function(el,prefix){prefix=prefix||'yui-gen';el=el||{};var f=function(el){if(el){el=Y.Dom.get(el);}else{el={};}
+if(!el.id){el.id=prefix+id_counter++;}
+return el.id;};return Y.Dom.batch(el,f,Y.Dom,true);},isAncestor:function(haystack,needle){haystack=Y.Dom.get(haystack);if(!haystack||!needle){return false;}
+var f=function(needle){if(haystack.contains&&!isSafari){return haystack.contains(needle);}
+else if(haystack.compareDocumentPosition){return!!(haystack.compareDocumentPosition(needle)&16);}
+else{var parent=needle.parentNode;while(parent){if(parent==haystack){return true;}
+else if(!parent.tagName||parent.tagName.toUpperCase()=='HTML'){return false;}
+parent=parent.parentNode;}
+return false;}};return Y.Dom.batch(needle,f,Y.Dom,true);},inDocument:function(el){var f=function(el){return this.isAncestor(document.documentElement,el);};return Y.Dom.batch(el,f,Y.Dom,true);},getElementsBy:function(method,tag,root){tag=tag||'*';var nodes=[];if(root){root=Y.Dom.get(root);if(!root){return nodes;}}else{root=document;}
+var elements=root.getElementsByTagName(tag);if(!elements.length&&(tag=='*'&&root.all)){elements=root.all;}
+for(var i=0,len=elements.length;i<len;++i){if(method(elements[i])){nodes[nodes.length]=elements[i];}}
+return nodes;},batch:function(el,method,o,override){var id=el;el=Y.Dom.get(el);var scope=(override)?o:window;if(!el||el.tagName||!el.length){if(!el){return false;}
+return method.call(scope,el,o);}
+var collection=[];for(var i=0,len=el.length;i<len;++i){if(!el[i]){id=el[i];}
+collection[collection.length]=method.call(scope,el[i],o);}
+return collection;},getDocumentHeight:function(){var scrollHeight=(document.compatMode!='CSS1Compat')?document.body.scrollHeight:document.documentElement.scrollHeight;var h=Math.max(scrollHeight,Y.Dom.getViewportHeight());return h;},getDocumentWidth:function(){var scrollWidth=(document.compatMode!='CSS1Compat')?document.body.scrollWidth:document.documentElement.scrollWidth;var w=Math.max(scrollWidth,Y.Dom.getViewportWidth());return w;},getViewportHeight:function(){var height=self.innerHeight;var mode=document.compatMode;if((mode||isIE)&&!isOpera){height=(mode=='CSS1Compat')?document.documentElement.clientHeight:document.body.clientHeight;}
+return height;},getViewportWidth:function(){var width=self.innerWidth;var mode=document.compatMode;if(mode||isIE){width=(mode=='CSS1Compat')?document.documentElement.clientWidth:document.body.clientWidth;}
+return width;}};})();YAHOO.util.Region=function(t,r,b,l){this.top=t;this[1]=t;this.right=r;this.bottom=b;this.left=l;this[0]=l;};YAHOO.util.Region.prototype.contains=function(region){return(region.left>=this.left&&region.right<=this.right&&region.top>=this.top&&region.bottom<=this.bottom);};YAHOO.util.Region.prototype.getArea=function(){return((this.bottom-this.top)*(this.right-this.left));};YAHOO.util.Region.prototype.intersect=function(region){var t=Math.max(this.top,region.top);var r=Math.min(this.right,region.right);var b=Math.min(this.bottom,region.bottom);var l=Math.max(this.left,region.left);if(b>=t&&r>=l){return new YAHOO.util.Region(t,r,b,l);}else{return null;}};YAHOO.util.Region.prototype.union=function(region){var t=Math.min(this.top,region.top);var r=Math.max(this.right,region.right);var b=Math.max(this.bottom,region.bottom);var l=Math.min(this.left,region.left);return new YAHOO.util.Region(t,r,b,l);};YAHOO.util.Region.prototype.toString=function(){return("Region {"+"top: "+this.top+", right: "+this.right+", bottom: "+this.bottom+", left: "+this.left+"}");};YAHOO.util.Region.getRegion=function(el){var p=YAHOO.util.Dom.getXY(el);var t=p[1];var r=p[0]+el.offsetWidth;var b=p[1]+el.offsetHeight;var l=p[0];return new YAHOO.util.Region(t,r,b,l);};YAHOO.util.Point=function(x,y){if(x instanceof Array){y=x[1];x=x[0];}
+this.x=this.right=this.left=this[0]=x;this.y=this.top=this.bottom=this[1]=y;};YAHOO.util.Point.prototype=new YAHOO.util.Region(); \ No newline at end of file
diff --git a/reports/site_media/yui/dom/dom.js b/reports/site_media/yui/dom/dom.js
new file mode 100644
index 000000000..c37bd1b04
--- /dev/null
+++ b/reports/site_media/yui/dom/dom.js
@@ -0,0 +1,892 @@
+/*
+Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 0.12.2
+*/
+/**
+ * The dom module provides helper methods for manipulating Dom elements.
+ * @module dom
+ *
+ */
+
+(function() {
+ var Y = YAHOO.util, // internal shorthand
+ getStyle, // for load time browser branching
+ setStyle, // ditto
+ id_counter = 0, // for use with generateId
+ propertyCache = {}; // for faster hyphen converts
+
+ // brower detection
+ var ua = navigator.userAgent.toLowerCase(),
+ isOpera = (ua.indexOf('opera') > -1),
+ isSafari = (ua.indexOf('safari') > -1),
+ isGecko = (!isOpera && !isSafari && ua.indexOf('gecko') > -1),
+ isIE = (!isOpera && ua.indexOf('msie') > -1);
+
+ // regex cache
+ var patterns = {
+ HYPHEN: /(-[a-z])/i
+ };
+
+
+ var toCamel = function(property) {
+ if ( !patterns.HYPHEN.test(property) ) {
+ return property; // no hyphens
+ }
+
+ if (propertyCache[property]) { // already converted
+ return propertyCache[property];
+ }
+
+ while( patterns.HYPHEN.exec(property) ) {
+ property = property.replace(RegExp.$1,
+ RegExp.$1.substr(1).toUpperCase());
+ }
+
+ propertyCache[property] = property;
+ return property;
+ //return property.replace(/-([a-z])/gi, function(m0, m1) {return m1.toUpperCase()}) // cant use function as 2nd arg yet due to safari bug
+ };
+
+ // branching at load instead of runtime
+ if (document.defaultView && document.defaultView.getComputedStyle) { // W3C DOM method
+ getStyle = function(el, property) {
+ var value = null;
+
+ var computed = document.defaultView.getComputedStyle(el, '');
+ if (computed) { // test computed before touching for safari
+ value = computed[toCamel(property)];
+ }
+
+ return el.style[property] || value;
+ };
+ } else if (document.documentElement.currentStyle && isIE) { // IE method
+ getStyle = function(el, property) {
+ switch( toCamel(property) ) {
+ case 'opacity' :// IE opacity uses filter
+ var val = 100;
+ try { // will error if no DXImageTransform
+ val = el.filters['DXImageTransform.Microsoft.Alpha'].opacity;
+
+ } catch(e) {
+ try { // make sure its in the document
+ val = el.filters('alpha').opacity;
+ } catch(e) {
+ }
+ }
+ return val / 100;
+ break;
+ default:
+ // test currentStyle before touching
+ var value = el.currentStyle ? el.currentStyle[property] : null;
+ return ( el.style[property] || value );
+ }
+ };
+ } else { // default to inline only
+ getStyle = function(el, property) { return el.style[property]; };
+ }
+
+ if (isIE) {
+ setStyle = function(el, property, val) {
+ switch (property) {
+ case 'opacity':
+ if ( typeof el.style.filter == 'string' ) { // in case not appended
+ el.style.filter = 'alpha(opacity=' + val * 100 + ')';
+
+ if (!el.currentStyle || !el.currentStyle.hasLayout) {
+ el.style.zoom = 1; // when no layout or cant tell
+ }
+ }
+ break;
+ default:
+ el.style[property] = val;
+ }
+ };
+ } else {
+ setStyle = function(el, property, val) {
+ el.style[property] = val;
+ };
+ }
+
+ /**
+ * Provides helper methods for DOM elements.
+ * @namespace YAHOO.util
+ * @class Dom
+ */
+ YAHOO.util.Dom = {
+ /**
+ * Returns an HTMLElement reference.
+ * @method get
+ * @param {String | HTMLElement |Array} el Accepts a string to use as an ID for getting a DOM reference, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @return {HTMLElement | Array} A DOM reference to an HTML element or an array of HTMLElements.
+ */
+ get: function(el) {
+ if (!el) { return null; } // nothing to work with
+
+ if (typeof el != 'string' && !(el instanceof Array) ) { // assuming HTMLElement or HTMLCollection, so pass back as is
+ return el;
+ }
+
+ if (typeof el == 'string') { // ID
+ return document.getElementById(el);
+ }
+ else { // array of ID's and/or elements
+ var collection = [];
+ for (var i = 0, len = el.length; i < len; ++i) {
+ collection[collection.length] = Y.Dom.get(el[i]);
+ }
+
+ return collection;
+ }
+
+ return null; // safety, should never happen
+ },
+
+ /**
+ * Normalizes currentStyle and ComputedStyle.
+ * @method getStyle
+ * @param {String | HTMLElement |Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {String} property The style property whose value is returned.
+ * @return {String | Array} The current value of the style property for the element(s).
+ */
+ getStyle: function(el, property) {
+ property = toCamel(property);
+
+ var f = function(element) {
+ return getStyle(element, property);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Wrapper for setting style properties of HTMLElements. Normalizes "opacity" across modern browsers.
+ * @method setStyle
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {String} property The style property to be set.
+ * @param {String} val The value to apply to the given property.
+ */
+ setStyle: function(el, property, val) {
+ property = toCamel(property);
+
+ var f = function(element) {
+ setStyle(element, property, val);
+
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getXY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {Array} The XY position of the element(s)
+ */
+ getXY: function(el) {
+ var f = function(el) {
+
+ // has to be part of document to have pageXY
+ if (el.parentNode === null || el.offsetParent === null ||
+ this.getStyle(el, 'display') == 'none') {
+ return false;
+ }
+
+ var parentNode = null;
+ var pos = [];
+ var box;
+
+ if (el.getBoundingClientRect) { // IE
+ box = el.getBoundingClientRect();
+ var doc = document;
+ if ( !this.inDocument(el) && parent.document != document) {// might be in a frame, need to get its scroll
+ doc = parent.document;
+
+ if ( !this.isAncestor(doc.documentElement, el) ) {
+ return false;
+ }
+
+ }
+
+ var scrollTop = Math.max(doc.documentElement.scrollTop, doc.body.scrollTop);
+ var scrollLeft = Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft);
+
+ return [box.left + scrollLeft, box.top + scrollTop];
+ }
+ else { // safari, opera, & gecko
+ pos = [el.offsetLeft, el.offsetTop];
+ parentNode = el.offsetParent;
+ if (parentNode != el) {
+ while (parentNode) {
+ pos[0] += parentNode.offsetLeft;
+ pos[1] += parentNode.offsetTop;
+ parentNode = parentNode.offsetParent;
+ }
+ }
+ if (isSafari && this.getStyle(el, 'position') == 'absolute' ) { // safari doubles in some cases
+ pos[0] -= document.body.offsetLeft;
+ pos[1] -= document.body.offsetTop;
+ }
+ }
+
+ if (el.parentNode) { parentNode = el.parentNode; }
+ else { parentNode = null; }
+
+ while (parentNode && parentNode.tagName.toUpperCase() != 'BODY' && parentNode.tagName.toUpperCase() != 'HTML')
+ { // account for any scrolled ancestors
+ if (Y.Dom.getStyle(parentNode, 'display') != 'inline') { // work around opera inline scrollLeft/Top bug
+ pos[0] -= parentNode.scrollLeft;
+ pos[1] -= parentNode.scrollTop;
+ }
+
+ if (parentNode.parentNode) {
+ parentNode = parentNode.parentNode;
+ } else { parentNode = null; }
+ }
+
+
+ return pos;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current X position of an element based on page coordinates. The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getX
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {String | Array} The X position of the element(s)
+ */
+ getX: function(el) {
+ var f = function(el) {
+ return Y.Dom.getXY(el)[0];
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Gets the current Y position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method getY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @return {String | Array} The Y position of the element(s)
+ */
+ getY: function(el) {
+ var f = function(el) {
+ return Y.Dom.getXY(el)[1];
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Set the position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setXY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
+ * @param {Array} pos Contains X & Y values for new position (coordinates are page-based)
+ * @param {Boolean} noRetry By default we try and set the position a second time if the first fails
+ */
+ setXY: function(el, pos, noRetry) {
+ var f = function(el) {
+ var style_pos = this.getStyle(el, 'position');
+ if (style_pos == 'static') { // default to relative
+ this.setStyle(el, 'position', 'relative');
+ style_pos = 'relative';
+ }
+
+ var pageXY = this.getXY(el);
+ if (pageXY === false) { // has to be part of doc to have pageXY
+ return false;
+ }
+
+ var delta = [ // assuming pixels; if not we will have to retry
+ parseInt( this.getStyle(el, 'left'), 10 ),
+ parseInt( this.getStyle(el, 'top'), 10 )
+ ];
+
+ if ( isNaN(delta[0]) ) {// in case of 'auto'
+ delta[0] = (style_pos == 'relative') ? 0 : el.offsetLeft;
+ }
+ if ( isNaN(delta[1]) ) { // in case of 'auto'
+ delta[1] = (style_pos == 'relative') ? 0 : el.offsetTop;
+ }
+
+ if (pos[0] !== null) { el.style.left = pos[0] - pageXY[0] + delta[0] + 'px'; }
+ if (pos[1] !== null) { el.style.top = pos[1] - pageXY[1] + delta[1] + 'px'; }
+
+ if (!noRetry) {
+ var newXY = this.getXY(el);
+
+ // if retry is true, try one more time if we miss
+ if ( (pos[0] !== null && newXY[0] != pos[0]) ||
+ (pos[1] !== null && newXY[1] != pos[1]) ) {
+ this.setXY(el, pos, true);
+ }
+ }
+
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Set the X position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setX
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {Int} x The value to use as the X coordinate for the element(s).
+ */
+ setX: function(el, x) {
+ Y.Dom.setXY(el, [x, null]);
+ },
+
+ /**
+ * Set the Y position of an html element in page coordinates, regardless of how the element is positioned.
+ * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+ * @method setY
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @param {Int} x To use as the Y coordinate for the element(s).
+ */
+ setY: function(el, y) {
+ Y.Dom.setXY(el, [null, y]);
+ },
+
+ /**
+ * Returns the region position of the given element.
+ * The element must be part of the DOM tree to have a region (display:none or elements not appended return false).
+ * @method getRegion
+ * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
+ * @return {Region | Array} A Region or array of Region instances containing "top, left, bottom, right" member data.
+ */
+ getRegion: function(el) {
+ var f = function(el) {
+ var region = new Y.Region.getRegion(el);
+ return region;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Returns the width of the client (viewport).
+ * @method getClientWidth
+ * @deprecated Now using getViewportWidth. This interface left intact for back compat.
+ * @return {Int} The width of the viewable area of the page.
+ */
+ getClientWidth: function() {
+ return Y.Dom.getViewportWidth();
+ },
+
+ /**
+ * Returns the height of the client (viewport).
+ * @method getClientHeight
+ * @deprecated Now using getViewportHeight. This interface left intact for back compat.
+ * @return {Int} The height of the viewable area of the page.
+ */
+ getClientHeight: function() {
+ return Y.Dom.getViewportHeight();
+ },
+
+ /**
+ * Returns a array of HTMLElements with the given class.
+ * For optimized performance, include a tag and/or root node when possible.
+ * @method getElementsByClassName
+ * @param {String} className The class name to match against
+ * @param {String} tag (optional) The tag name of the elements being collected
+ * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
+ * @return {Array} An array of elements that have the given class name
+ */
+ getElementsByClassName: function(className, tag, root) {
+ var method = function(el) { return Y.Dom.hasClass(el, className); };
+ return Y.Dom.getElementsBy(method, tag, root);
+ },
+
+ /**
+ * Determines whether an HTMLElement has the given className.
+ * @method hasClass
+ * @param {String | HTMLElement | Array} el The element or collection to test
+ * @param {String} className the class name to search for
+ * @return {Boolean | Array} A boolean value or array of boolean values
+ */
+ hasClass: function(el, className) {
+ var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
+
+ var f = function(el) {
+ return re.test(el['className']);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Adds a class name to a given element or collection of elements.
+ * @method addClass
+ * @param {String | HTMLElement | Array} el The element or collection to add the class to
+ * @param {String} className the class name to add to the class attribute
+ */
+ addClass: function(el, className) {
+ var f = function(el) {
+ if (this.hasClass(el, className)) { return; } // already present
+
+
+ el['className'] = [el['className'], className].join(' ');
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Removes a class name from a given element or collection of elements.
+ * @method removeClass
+ * @param {String | HTMLElement | Array} el The element or collection to remove the class from
+ * @param {String} className the class name to remove from the class attribute
+ */
+ removeClass: function(el, className) {
+ var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)', 'g');
+
+ var f = function(el) {
+ if (!this.hasClass(el, className)) { return; } // not present
+
+
+ var c = el['className'];
+ el['className'] = c.replace(re, ' ');
+ if ( this.hasClass(el, className) ) { // in case of multiple adjacent
+ this.removeClass(el, className);
+ }
+
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Replace a class with another class for a given element or collection of elements.
+ * If no oldClassName is present, the newClassName is simply added.
+ * @method replaceClass
+ * @param {String | HTMLElement | Array} el The element or collection to remove the class from
+ * @param {String} oldClassName the class name to be replaced
+ * @param {String} newClassName the class name that will be replacing the old class name
+ */
+ replaceClass: function(el, oldClassName, newClassName) {
+ if (oldClassName === newClassName) { // avoid infinite loop
+ return false;
+ }
+
+ var re = new RegExp('(?:^|\\s+)' + oldClassName + '(?:\\s+|$)', 'g');
+
+ var f = function(el) {
+
+ if ( !this.hasClass(el, oldClassName) ) {
+ this.addClass(el, newClassName); // just add it if nothing to replace
+ return; // note return
+ }
+
+ el['className'] = el['className'].replace(re, ' ' + newClassName + ' ');
+
+ if ( this.hasClass(el, oldClassName) ) { // in case of multiple adjacent
+ this.replaceClass(el, oldClassName, newClassName);
+ }
+ };
+
+ Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Generates a unique ID
+ * @method generateId
+ * @param {String | HTMLElement | Array} el (optional) An optional element array of elements to add an ID to (no ID is added if one is already present).
+ * @param {String} prefix (optional) an optional prefix to use (defaults to "yui-gen").
+ * @return {String | Array} The generated ID, or array of generated IDs (or original ID if already present on an element)
+ */
+ generateId: function(el, prefix) {
+ prefix = prefix || 'yui-gen';
+ el = el || {};
+
+ var f = function(el) {
+ if (el) {
+ el = Y.Dom.get(el);
+ } else {
+ el = {}; // just generating ID in this case
+ }
+
+ if (!el.id) {
+ el.id = prefix + id_counter++;
+ } // dont override existing
+
+
+ return el.id;
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Determines whether an HTMLElement is an ancestor of another HTML element in the DOM hierarchy.
+ * @method isAncestor
+ * @param {String | HTMLElement} haystack The possible ancestor
+ * @param {String | HTMLElement} needle The possible descendent
+ * @return {Boolean} Whether or not the haystack is an ancestor of needle
+ */
+ isAncestor: function(haystack, needle) {
+ haystack = Y.Dom.get(haystack);
+ if (!haystack || !needle) { return false; }
+
+ var f = function(needle) {
+ if (haystack.contains && !isSafari) { // safari "contains" is broken
+ return haystack.contains(needle);
+ }
+ else if ( haystack.compareDocumentPosition ) {
+ return !!(haystack.compareDocumentPosition(needle) & 16);
+ }
+ else { // loop up and test each parent
+ var parent = needle.parentNode;
+
+ while (parent) {
+ if (parent == haystack) {
+ return true;
+ }
+ else if (!parent.tagName || parent.tagName.toUpperCase() == 'HTML') {
+ return false;
+ }
+
+ parent = parent.parentNode;
+ }
+ return false;
+ }
+ };
+
+ return Y.Dom.batch(needle, f, Y.Dom, true);
+ },
+
+ /**
+ * Determines whether an HTMLElement is present in the current document.
+ * @method inDocument
+ * @param {String | HTMLElement} el The element to search for
+ * @return {Boolean} Whether or not the element is present in the current document
+ */
+ inDocument: function(el) {
+ var f = function(el) {
+ return this.isAncestor(document.documentElement, el);
+ };
+
+ return Y.Dom.batch(el, f, Y.Dom, true);
+ },
+
+ /**
+ * Returns a array of HTMLElements that pass the test applied by supplied boolean method.
+ * For optimized performance, include a tag and/or root node when possible.
+ * @method getElementsBy
+ * @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
+
+ * @param {String} tag (optional) The tag name of the elements being collected
+ * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
+ */
+ getElementsBy: function(method, tag, root) {
+ tag = tag || '*';
+
+ var nodes = [];
+
+ if (root) {
+ root = Y.Dom.get(root);
+ if (!root) { // if no root node, then no children
+ return nodes;
+ }
+ } else {
+ root = document;
+ }
+
+ var elements = root.getElementsByTagName(tag);
+
+ if ( !elements.length && (tag == '*' && root.all) ) {
+ elements = root.all; // IE < 6
+ }
+
+ for (var i = 0, len = elements.length; i < len; ++i) {
+ if ( method(elements[i]) ) { nodes[nodes.length] = elements[i]; }
+ }
+
+
+ return nodes;
+ },
+
+ /**
+ * Returns an array of elements that have had the supplied method applied.
+ * The method is called with the element(s) as the first arg, and the optional param as the second ( method(el, o) ).
+ * @method batch
+ * @param {String | HTMLElement | Array} el (optional) An element or array of elements to apply the method to
+ * @param {Function} method The method to apply to the element(s)
+ * @param {Any} o (optional) An optional arg that is passed to the supplied method
+ * @param {Boolean} override (optional) Whether or not to override the scope of "method" with "o"
+ * @return {HTMLElement | Array} The element(s) with the method applied
+ */
+ batch: function(el, method, o, override) {
+ var id = el;
+ el = Y.Dom.get(el);
+
+ var scope = (override) ? o : window;
+
+ if (!el || el.tagName || !el.length) { // is null or not a collection (tagName for SELECT and others that can be both an element and a collection)
+ if (!el) {
+ return false;
+ }
+ return method.call(scope, el, o);
+ }
+
+ var collection = [];
+
+ for (var i = 0, len = el.length; i < len; ++i) {
+ if (!el[i]) {
+ id = el[i];
+ }
+ collection[collection.length] = method.call(scope, el[i], o);
+ }
+
+ return collection;
+ },
+
+ /**
+ * Returns the height of the document.
+ * @method getDocumentHeight
+ * @return {Int} The height of the actual document (which includes the body and its margin).
+ */
+ getDocumentHeight: function() {
+ var scrollHeight = (document.compatMode != 'CSS1Compat') ? document.body.scrollHeight : document.documentElement.scrollHeight;
+
+ var h = Math.max(scrollHeight, Y.Dom.getViewportHeight());
+ return h;
+ },
+
+ /**
+ * Returns the width of the document.
+ * @method getDocumentWidth
+ * @return {Int} The width of the actual document (which includes the body and its margin).
+ */
+ getDocumentWidth: function() {
+ var scrollWidth = (document.compatMode != 'CSS1Compat') ? document.body.scrollWidth : document.documentElement.scrollWidth;
+ var w = Math.max(scrollWidth, Y.Dom.getViewportWidth());
+ return w;
+ },
+
+ /**
+ * Returns the current height of the viewport.
+ * @method getViewportHeight
+ * @return {Int} The height of the viewable area of the page (excludes scrollbars).
+ */
+ getViewportHeight: function() {
+ var height = self.innerHeight; // Safari, Opera
+ var mode = document.compatMode;
+
+ if ( (mode || isIE) && !isOpera ) { // IE, Gecko
+ height = (mode == 'CSS1Compat') ?
+ document.documentElement.clientHeight : // Standards
+ document.body.clientHeight; // Quirks
+ }
+
+ return height;
+ },
+
+ /**
+ * Returns the current width of the viewport.
+ * @method getViewportWidth
+ * @return {Int} The width of the viewable area of the page (excludes scrollbars).
+ */
+
+ getViewportWidth: function() {
+ var width = self.innerWidth; // Safari
+ var mode = document.compatMode;
+
+ if (mode || isIE) { // IE, Gecko, Opera
+ width = (mode == 'CSS1Compat') ?
+ document.documentElement.clientWidth : // Standards
+ document.body.clientWidth; // Quirks
+ }
+ return width;
+ }
+ };
+})();
+/**
+ * A region is a representation of an object on a grid. It is defined
+ * by the top, right, bottom, left extents, so is rectangular by default. If
+ * other shapes are required, this class could be extended to support it.
+ * @namespace YAHOO.util
+ * @class Region
+ * @param {Int} t the top extent
+ * @param {Int} r the right extent
+ * @param {Int} b the bottom extent
+ * @param {Int} l the left extent
+ * @constructor
+ */
+YAHOO.util.Region = function(t, r, b, l) {
+
+ /**
+ * The region's top extent
+ * @property top
+ * @type Int
+ */
+ this.top = t;
+
+ /**
+ * The region's top extent as index, for symmetry with set/getXY
+ * @property 1
+ * @type Int
+ */
+ this[1] = t;
+
+ /**
+ * The region's right extent
+ * @property right
+ * @type int
+ */
+ this.right = r;
+
+ /**
+ * The region's bottom extent
+ * @property bottom
+ * @type Int
+ */
+ this.bottom = b;
+
+ /**
+ * The region's left extent
+ * @property left
+ * @type Int
+ */
+ this.left = l;
+
+ /**
+ * The region's left extent as index, for symmetry with set/getXY
+ * @property 0
+ * @type Int
+ */
+ this[0] = l;
+};
+
+/**
+ * Returns true if this region contains the region passed in
+ * @method contains
+ * @param {Region} region The region to evaluate
+ * @return {Boolean} True if the region is contained with this region,
+ * else false
+ */
+YAHOO.util.Region.prototype.contains = function(region) {
+ return ( region.left >= this.left &&
+ region.right <= this.right &&
+ region.top >= this.top &&
+ region.bottom <= this.bottom );
+
+};
+
+/**
+ * Returns the area of the region
+ * @method getArea
+ * @return {Int} the region's area
+ */
+YAHOO.util.Region.prototype.getArea = function() {
+ return ( (this.bottom - this.top) * (this.right - this.left) );
+};
+
+/**
+ * Returns the region where the passed in region overlaps with this one
+ * @method intersect
+ * @param {Region} region The region that intersects
+ * @return {Region} The overlap region, or null if there is no overlap
+ */
+YAHOO.util.Region.prototype.intersect = function(region) {
+ var t = Math.max( this.top, region.top );
+ var r = Math.min( this.right, region.right );
+ var b = Math.min( this.bottom, region.bottom );
+ var l = Math.max( this.left, region.left );
+
+ if (b >= t && r >= l) {
+ return new YAHOO.util.Region(t, r, b, l);
+ } else {
+ return null;
+ }
+};
+
+/**
+ * Returns the region representing the smallest region that can contain both
+ * the passed in region and this region.
+ * @method union
+ * @param {Region} region The region that to create the union with
+ * @return {Region} The union region
+ */
+YAHOO.util.Region.prototype.union = function(region) {
+ var t = Math.min( this.top, region.top );
+ var r = Math.max( this.right, region.right );
+ var b = Math.max( this.bottom, region.bottom );
+ var l = Math.min( this.left, region.left );
+
+ return new YAHOO.util.Region(t, r, b, l);
+};
+
+/**
+ * toString
+ * @method toString
+ * @return string the region properties
+ */
+YAHOO.util.Region.prototype.toString = function() {
+ return ( "Region {" +
+ "top: " + this.top +
+ ", right: " + this.right +
+ ", bottom: " + this.bottom +
+ ", left: " + this.left +
+ "}" );
+};
+
+/**
+ * Returns a region that is occupied by the DOM element
+ * @method getRegion
+ * @param {HTMLElement} el The element
+ * @return {Region} The region that the element occupies
+ * @static
+ */
+YAHOO.util.Region.getRegion = function(el) {
+ var p = YAHOO.util.Dom.getXY(el);
+
+ var t = p[1];
+ var r = p[0] + el.offsetWidth;
+ var b = p[1] + el.offsetHeight;
+ var l = p[0];
+
+ return new YAHOO.util.Region(t, r, b, l);
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
+/**
+ * A point is a region that is special in that it represents a single point on
+ * the grid.
+ * @namespace YAHOO.util
+ * @class Point
+ * @param {Int} x The X position of the point
+ * @param {Int} y The Y position of the point
+ * @constructor
+ * @extends YAHOO.util.Region
+ */
+YAHOO.util.Point = function(x, y) {
+ if (x instanceof Array) { // accept output from Dom.getXY
+ y = x[1];
+ x = x[0];
+ }
+
+ /**
+ * The X position of the point, which is also the right, left and index zero (for Dom.getXY symmetry)
+ * @property x
+ * @type Int
+ */
+
+ this.x = this.right = this.left = this[0] = x;
+
+ /**
+ * The Y position of the point, which is also the top, bottom and index one (for Dom.getXY symmetry)
+ * @property y
+ * @type Int
+ */
+ this.y = this.top = this.bottom = this[1] = y;
+};
+
+YAHOO.util.Point.prototype = new YAHOO.util.Region();
+