--- a/labs/openlayers/lib/OpenLayers/Util.js
+++ b/labs/openlayers/lib/OpenLayers/Util.js
@@ -1,1 +1,1798 @@
-
+/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for 
+ * full list of contributors). Published under the Clear BSD license.  
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the
+ * full text of the license. */
+
+/**
+ * @requires OpenLayers/Console.js
+ */
+
+/**
+ * Namespace: Util
+ */
+OpenLayers.Util = {};
+
+/** 
+ * Function: getElement
+ * This is the old $() from prototype
+ */
+OpenLayers.Util.getElement = function() {
+    var elements = [];
+
+    for (var i=0, len=arguments.length; i<len; i++) {
+        var element = arguments[i];
+        if (typeof element == 'string') {
+            element = document.getElementById(element);
+        }
+        if (arguments.length == 1) {
+            return element;
+        }
+        elements.push(element);
+    }
+    return elements;
+};
+
+/**
+ * Function: isElement
+ * A cross-browser implementation of "e instanceof Element".
+ *
+ * Parameters:
+ * o - {Object} The object to test.
+ *
+ * Returns:
+ * {Boolean}
+ */
+OpenLayers.Util.isElement = function(o) {
+    return !!(o && o.nodeType === 1);
+};
+
+/** 
+ * Maintain existing definition of $.
+ */
+if(typeof window.$  === "undefined") {
+    window.$ = OpenLayers.Util.getElement;
+}
+
+/**
+ * APIFunction: extend
+ * Copy all properties of a source object to a destination object.  Modifies
+ *     the passed in destination object.  Any properties on the source object
+ *     that are set to undefined will not be (re)set on the destination object.
+ *
+ * Parameters:
+ * destination - {Object} The object that will be modified
+ * source - {Object} The object with properties to be set on the destination
+ *
+ * Returns:
+ * {Object} The destination object.
+ */
+OpenLayers.Util.extend = function(destination, source) {
+    destination = destination || {};
+    if(source) {
+        for(var property in source) {
+            var value = source[property];
+            if(value !== undefined) {
+                destination[property] = value;
+            }
+        }
+
+        /**
+         * IE doesn't include the toString property when iterating over an object's
+         * properties with the for(property in object) syntax.  Explicitly check if
+         * the source has its own toString property.
+         */
+
+        /*
+         * FF/Windows < 2.0.0.13 reports "Illegal operation on WrappedNative
+         * prototype object" when calling hawOwnProperty if the source object
+         * is an instance of window.Event.
+         */
+
+        var sourceIsEvt = typeof window.Event == "function"
+                          && source instanceof window.Event;
+
+        if(!sourceIsEvt
+           && source.hasOwnProperty && source.hasOwnProperty('toString')) {
+            destination.toString = source.toString;
+        }
+    }
+    return destination;
+};
+
+
+/** 
+ * Function: removeItem
+ * Remove an object from an array. Iterates through the array
+ *     to find the item, then removes it.
+ *
+ * Parameters:
+ * array - {Array}
+ * item - {Object}
+ * 
+ * Return
+ * {Array} A reference to the array
+ */
+OpenLayers.Util.removeItem = function(array, item) {
+    for(var i = array.length - 1; i >= 0; i--) {
+        if(array[i] == item) {
+            array.splice(i,1);
+            //break;more than once??
+        }
+    }
+    return array;
+};
+
+/**
+ * Function: clearArray
+ * *Deprecated*. This function will disappear in 3.0.
+ * Please use "array.length = 0" instead.
+ * 
+ * Parameters:
+ * array - {Array}
+ */
+OpenLayers.Util.clearArray = function(array) {
+    OpenLayers.Console.warn(
+        OpenLayers.i18n(
+            "methodDeprecated", {'newMethod': 'array = []'}
+        )
+    );
+    array.length = 0;
+};
+
+/** 
+ * Function: indexOf
+ * Seems to exist already in FF, but not in MOZ.
+ * 
+ * Parameters:
+ * array - {Array}
+ * obj - {Object}
+ * 
+ * Returns:
+ * {Integer} The index at, which the first object was found in the array.
+ *           If not found, returns -1.
+ */
+OpenLayers.Util.indexOf = function(array, obj) {
+    // use the build-in function if available.
+    if (typeof array.indexOf == "function") {
+        return array.indexOf(obj);
+    } else {
+        for (var i = 0, len = array.length; i < len; i++) {
+            if (array[i] == obj) {
+                return i;
+            }
+        }
+        return -1;   
+    }
+};
+
+
+
+/**
+ * Function: modifyDOMElement
+ * 
+ * Modifies many properties of a DOM element all at once.  Passing in 
+ * null to an individual parameter will avoid setting the attribute.
+ *
+ * Parameters:
+ * id - {String} The element id attribute to set.
+ * px - {<OpenLayers.Pixel>} The left and top style position.
+ * sz - {<OpenLayers.Size>}  The width and height style attributes.
+ * position - {String}       The position attribute.  eg: absolute, 
+ *                           relative, etc.
+ * border - {String}         The style.border attribute.  eg:
+ *                           solid black 2px
+ * overflow - {String}       The style.overview attribute.  
+ * opacity - {Float}         Fractional value (0.0 - 1.0)
+ */
+OpenLayers.Util.modifyDOMElement = function(element, id, px, sz, position, 
+                                            border, overflow, opacity) {
+
+    if (id) {
+        element.id = id;
+    }
+    if (px) {
+        element.style.left = px.x + "px";
+        element.style.top = px.y + "px";
+    }
+    if (sz) {
+        element.style.width = sz.w + "px";
+        element.style.height = sz.h + "px";
+    }
+    if (position) {
+        element.style.position = position;
+    }
+    if (border) {
+        element.style.border = border;
+    }
+    if (overflow) {
+        element.style.overflow = overflow;
+    }
+    if (parseFloat(opacity) >= 0.0 && parseFloat(opacity) < 1.0) {
+        element.style.filter = 'alpha(opacity=' + (opacity * 100) + ')';
+        element.style.opacity = opacity;
+    } else if (parseFloat(opacity) == 1.0) {
+        element.style.filter = '';
+        element.style.opacity = '';
+    }
+};
+
+/** 
+ * Function: createDiv
+ * Creates a new div and optionally set some standard attributes.
+ * Null may be passed to each parameter if you do not wish to
+ * set a particular attribute.
+ * Note - zIndex is NOT set on the resulting div.
+ * 
+ * Parameters:
+ * id - {String} An identifier for this element.  If no id is
+ *               passed an identifier will be created 
+ *               automatically.
+ * px - {<OpenLayers.Pixel>} The element left and top position. 
+ * sz - {<OpenLayers.Size>} The element width and height.
+ * imgURL - {String} A url pointing to an image to use as a 
+ *                   background image.
+ * position - {String} The style.position value. eg: absolute,
+ *                     relative etc.
+ * border - {String} The the style.border value. 
+ *                   eg: 2px solid black
+ * overflow - {String} The style.overflow value. Eg. hidden
+ * opacity - {Float} Fractional value (0.0 - 1.0)
+ * 
+ * Returns: 
+ * {DOMElement} A DOM Div created with the specified attributes.
+ */
+OpenLayers.Util.createDiv = function(id, px, sz, imgURL, position, 
+                                     border, overflow, opacity) {
+
+    var dom = document.createElement('div');
+
+    if (imgURL) {
+        dom.style.backgroundImage = 'url(' + imgURL + ')';
+    }
+
+    //set generic properties
+    if (!id) {
+        id = OpenLayers.Util.createUniqueID("OpenLayersDiv");
+    }
+    if (!position) {
+        position = "absolute";
+    }
+    OpenLayers.Util.modifyDOMElement(dom, id, px, sz, position, 
+                                     border, overflow, opacity);
+
+    return dom;
+};
+
+/**
+ * Function: createImage
+ * Creates an img element with specific attribute values.
+ *  
+ * Parameters:
+ * id - {String} The id field for the img.  If none assigned one will be
+ *               automatically generated.
+ * px - {<OpenLayers.Pixel>} The left and top positions.
+ * sz - {<OpenLayers.Size>} The style.width and style.height values.
+ * imgURL - {String} The url to use as the image source.
+ * position - {String} The style.position value.
+ * border - {String} The border to place around the image.
+ * opacity - {Float} Fractional value (0.0 - 1.0)
+ * delayDisplay - {Boolean} If true waits until the image has been
+ *                          loaded.
+ * 
+ * Returns:
+ * {DOMElement} A DOM Image created with the specified attributes.
+ */
+OpenLayers.Util.createImage = function(id, px, sz, imgURL, position, border,
+                                       opacity, delayDisplay) {
+
+    var image = document.createElement("img");
+
+    //set generic properties
+    if (!id) {
+        id = OpenLayers.Util.createUniqueID("OpenLayersDiv");
+    }
+    if (!position) {
+        position = "relative";
+    }
+    OpenLayers.Util.modifyDOMElement(image, id, px, sz, position, 
+                                     border, null, opacity);
+
+    if(delayDisplay) {
+        image.style.display = "none";
+        OpenLayers.Event.observe(image, "load", 
+            OpenLayers.Function.bind(OpenLayers.Util.onImageLoad, image));
+        OpenLayers.Event.observe(image, "error", 
+            OpenLayers.Function.bind(OpenLayers.Util.onImageLoadError, image));
+        
+    }
+    
+    //set special properties
+    image.style.alt = id;
+    image.galleryImg = "no";
+    if (imgURL) {
+        image.src = imgURL;
+    }
+
+
+        
+    return image;
+};
+
+/**
+ * Function: setOpacity
+ * *Deprecated*.  This function has been deprecated. Instead, please use 
+ *     <OpenLayers.Util.modifyDOMElement> 
+ *     or 
+ *     <OpenLayers.Util.modifyAlphaImageDiv>
+ * 
+ * Set the opacity of a DOM Element
+ *     Note that for this function to work in IE, elements must "have layout"
+ *     according to:
+ *     http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/haslayout.asp
+ *
+ * Parameters:
+ * element - {DOMElement} Set the opacity on this DOM element
+ * opacity - {Float} Opacity value (0.0 - 1.0)
+ */
+OpenLayers.Util.setOpacity = function(element, opacity) {
+    OpenLayers.Util.modifyDOMElement(element, null, null, null,
+                                     null, null, null, opacity);
+};
+
+/**
+ * Function: onImageLoad
+ * Bound to image load events.  For all images created with <createImage> or
+ *     <createAlphaImageDiv>, this function will be bound to the load event.
+ */
+OpenLayers.Util.onImageLoad = function() {
+    // The complex check here is to solve issues described in #480.
+    // Every time a map view changes, it increments the 'viewRequestID' 
+    // property. As the requests for the images for the new map view are sent
+    // out, they are tagged with this unique viewRequestID. 
+    // 
+    // If an image has no viewRequestID property set, we display it regardless, 
+    // but if it does have a viewRequestID property, we check that it matches 
+    // the viewRequestID set on the map.
+    // 
+    // If the viewRequestID on the map has changed, that means that the user
+    // has changed the map view since this specific request was sent out, and
+    // therefore this tile does not need to be displayed (so we do not execute
+    // this code that turns its display on).
+    //
+    if (!this.viewRequestID ||
+        (this.map && this.viewRequestID == this.map.viewRequestID)) { 
+        this.style.display = "";  
+    }
+    OpenLayers.Element.removeClass(this, "olImageLoadError");
+};
+
+/**
+ * Property: IMAGE_RELOAD_ATTEMPTS
+ * {Integer} How many times should we try to reload an image before giving up?
+ *           Default is 0
+ */
+OpenLayers.IMAGE_RELOAD_ATTEMPTS = 0;
+
+/**
+ * Function: onImageLoadError 
+ */
+OpenLayers.Util.onImageLoadError = function() {
+    this._attempts = (this._attempts) ? (this._attempts + 1) : 1;
+    if (this._attempts <= OpenLayers.IMAGE_RELOAD_ATTEMPTS) {
+        var urls = this.urls;
+        if (urls && urls instanceof Array && urls.length > 1){
+            var src = this.src.toString();
+            var current_url, k;
+            for (k = 0; current_url = urls[k]; k++){
+                if(src.indexOf(current_url) != -1){
+                    break;
+                }
+            }
+            var guess = Math.floor(urls.length * Math.random());
+            var new_url = urls[guess];
+            k = 0;
+            while(new_url == current_url && k++ < 4){
+                guess = Math.floor(urls.length * Math.random());
+                new_url = urls[guess];
+            }
+            this.src = src.replace(current_url, new_url);
+        } else {
+            this.src = this.src;
+        }
+    } else {
+        OpenLayers.Element.addClass(this, "olImageLoadError");
+    }
+    this.style.display = "";
+};
+
+/**
+ * Property: alphaHackNeeded
+ * {Boolean} true if the png alpha hack is necessary and possible, false otherwise.
+ */
+OpenLayers.Util.alphaHackNeeded = null;
+
+/**
+ * Function: alphaHack
+ * Checks whether it's necessary (and possible) to use the png alpha
+ * hack which allows alpha transparency for png images under Internet
+ * Explorer.
+ * 
+ * Returns:
+ * {Boolean} true if the png alpha hack is necessary and possible, false otherwise.
+ */
+OpenLayers.Util.alphaHack = function() {
+    if (OpenLayers.Util.alphaHackNeeded == null) {
+        var arVersion = navigator.appVersion.split("MSIE");
+        var version = parseFloat(arVersion[1]);
+        var filter = false;
+    
+        // IEs4Lin dies when trying to access document.body.filters, because 
+        // the property is there, but requires a DLL that can't be provided. This
+        // means that we need to wrap this in a try/catch so that this can
+        // continue.
+    
+        try { 
+            filter = !!(document.body.filters);
+        } catch (e) {}    
+    
+        OpenLayers.Util.alphaHackNeeded = (filter && 
+                                           (version >= 5.5) && (version < 7));
+    }
+    return OpenLayers.Util.alphaHackNeeded;
+};
+
+/** 
+ * Function: modifyAlphaImageDiv
+ * 
+ * div - {DOMElement} Div containing Alpha-adjusted Image
+ * id - {String}
+ * px - {<OpenLayers.Pixel>}
+ * sz - {<OpenLayers.Size>}
+ * imgURL - {String}
+ * position - {String}
+ * border - {String}
+ * sizing {String} 'crop', 'scale', or 'image'. Default is "scale"
+ * opacity - {Float} Fractional value (0.0 - 1.0)
+ */ 
+OpenLayers.Util.modifyAlphaImageDiv = function(div, id, px, sz, imgURL, 
+                                               position, border, sizing, 
+                                               opacity) {
+
+    OpenLayers.Util.modifyDOMElement(div, id, px, sz, position,
+                                     null, null, opacity);
+
+    var img = div.childNodes[0];
+
+    if (imgURL) {
+        img.src = imgURL;
+    }
+    OpenLayers.Util.modifyDOMElement(img, div.id + "_innerImage", null, sz, 
+                                     "relative", border);
+    
+    if (OpenLayers.Util.alphaHack()) {
+        if(div.style.display != "none") {
+            div.style.display = "inline-block";
+        }
+        if (sizing == null) {
+            sizing = "scale";
+        }
+        
+        div.style.filter = "progid:DXImageTransform.Microsoft" +
+                           ".AlphaImageLoader(src='" + img.src + "', " +
+                           "sizingMethod='" + sizing + "')";
+        if (parseFloat(div.style.opacity) >= 0.0 && 
+            parseFloat(div.style.opacity) < 1.0) {
+            div.style.filter += " alpha(opacity=" + div.style.opacity * 100 + ")";
+        }
+
+        img.style.filter = "alpha(opacity=0)";
+    }
+};
+
+/** 
+ * Function: createAlphaImageDiv
+ * 
+ * id - {String}
+ * px - {<OpenLayers.Pixel>}
+ * sz - {<OpenLayers.Size>}
+ * imgURL - {String}
+ * position - {String}
+ * border - {String}
+ * sizing - {String} 'crop', 'scale', or 'image'. Default is "scale"
+ * opacity - {Float} Fractional value (0.0 - 1.0)
+ * delayDisplay - {Boolean} If true waits until the image has been
+ *                          loaded.
+ * 
+ * Returns:
+ * {DOMElement} A DOM Div created with a DOM Image inside it. If the hack is 
+ *              needed for transparency in IE, it is added.
+ */ 
+OpenLayers.Util.createAlphaImageDiv = function(id, px, sz, imgURL, 
+                                               position, border, sizing, 
+                                               opacity, delayDisplay) {
+    
+    var div = OpenLayers.Util.createDiv();
+    var img = OpenLayers.Util.createImage(null, null, null, null, null, null, 
+                                          null, false);
+    div.appendChild(img);
+
+    if (delayDisplay) {
+        img.style.display = "none";
+        OpenLayers.Event.observe(img, "load",
+            OpenLayers.Function.bind(OpenLayers.Util.onImageLoad, div));
+        OpenLayers.Event.observe(img, "error",
+            OpenLayers.Function.bind(OpenLayers.Util.onImageLoadError, div));
+    }
+
+    OpenLayers.Util.modifyAlphaImageDiv(div, id, px, sz, imgURL, position, 
+                                        border, sizing, opacity);
+    
+    return div;
+};
+
+
+/** 
+ * Function: upperCaseObject
+ * Creates a new hashtable and copies over all the keys from the 
+ *     passed-in object, but storing them under an uppercased
+ *     version of the key at which they were stored.
+ * 
+ * Parameters: 
+ * object - {Object}
+ * 
+ * Returns: 
+ * {Object} A new Object with all the same keys but uppercased
+ */
+OpenLayers.Util.upperCaseObject = function (object) {
+    var uObject = {};
+    for (var key in object) {
+        uObject[key.toUpperCase()] = object[key];
+    }
+    return uObject;
+};
+
+/** 
+ * Function: applyDefaults
+ * Takes an object and copies any properties that don't exist from
+ *     another properties, by analogy with OpenLayers.Util.extend() from
+ *     Prototype.js.
+ * 
+ * Parameters:
+ * to - {Object} The destination object.
+ * from - {Object} The source object.  Any properties of this object that
+ *     are undefined in the to object will be set on the to object.
+ *
+ * Returns:
+ * {Object} A reference to the to object.  Note that the to argument is modified
+ *     in place and returned by this function.
+ */
+OpenLayers.Util.applyDefaults = function (to, from) {
+    to = to || {};
+    /*
+     * FF/Windows < 2.0.0.13 reports "Illegal operation on WrappedNative
+     * prototype object" when calling hawOwnProperty if the source object is an
+     * instance of window.Event.
+     */
+    var fromIsEvt = typeof window.Event == "function"
+                    && from instanceof window.Event;
+
+    for (var key in from) {
+        if (to[key] === undefined ||
+            (!fromIsEvt && from.hasOwnProperty
+             && from.hasOwnProperty(key) && !to.hasOwnProperty(key))) {
+            to[key] = from[key];
+        }
+    }
+    /**
+     * IE doesn't include the toString property when iterating over an object's
+     * properties with the for(property in object) syntax.  Explicitly check if
+     * the source has its own toString property.
+     */
+    if(!fromIsEvt && from && from.hasOwnProperty
+       && from.hasOwnProperty('toString') && !to.hasOwnProperty('toString')) {
+        to.toString = from.toString;
+    }
+    
+    return to;
+};
+
+/**
+ * Function: getParameterString
+ * 
+ * Parameters:
+ * params - {Object}
+ * 
+ * Returns:
+ * {String} A concatenation of the properties of an object in 
+ *          http parameter notation. 
+ *          (ex. <i>"key1=value1&key2=value2&key3=value3"</i>)
+ *          If a parameter is actually a list, that parameter will then
+ *          be set to a comma-seperated list of values (foo,bar) instead
+ *          of being URL escaped (foo%3Abar). 
+ */
+OpenLayers.Util.getParameterString = function(params) {
+    var paramsArray = [];
+    
+    for (var key in params) {
+      var value = params[key];
+      if ((value != null) && (typeof value != 'function')) {
+        var encodedValue;
+        if (typeof value == 'object' && value.constructor == Array) {
+          /* value is an array; encode items and separate with "," */
+          var encodedItemArray = [];
+          var item;
+          for (var itemIndex=0, len=value.length; itemIndex<len; itemIndex++) {
+            item = value[itemIndex];
+            encodedItemArray.push(encodeURIComponent(
+                (item === null || item === undefined) ? "" : item)
+            );
+          }
+          encodedValue = encodedItemArray.join(",");
+        }
+        else {
+          /* value is a string; simply encode */
+          encodedValue = encodeURIComponent(value);
+        }
+        paramsArray.push(encodeURIComponent(key) + "=" + encodedValue);
+      }
+    }
+    
+    return paramsArray.join("&");
+};
+
+/**
+ * Function: urlAppend
+ * Appends a parameter string to a url. This function includes the logic for
+ * using the appropriate character (none, & or ?) to append to the url before
+ * appending the param string.
+ * 
+ * Parameters:
+ * url - {String} The url to append to
+ * paramStr - {String} The param string to append
+ * 
+ * Returns:
+ * {String} The new url
+ */
+OpenLayers.Util.urlAppend = function(url, paramStr) {
+    var newUrl = url;
+    if(paramStr) {
+        var parts = (url + " ").split(/[?&]/);
+        newUrl += (parts.pop() === " " ?
+            paramStr :
+            parts.length ? "&" + paramStr : "?" + paramStr);
+    }
+    return newUrl;
+};
+
+/**
+ * Property: ImgPath
+ * {String} Default is ''.
+ */
+OpenLayers.ImgPath = '';
+
+/** 
+ * Function: getImagesLocation
+ * 
+ * Returns:
+ * {String} The fully formatted image location string
+ */
+OpenLayers.Util.getImagesLocation = function() {
+    return OpenLayers.ImgPath || (OpenLayers._getScriptLocation() + "img/");
+};
+
+
+/** 
+ * Function: Try
+ * Execute functions until one of them doesn't throw an error. 
+ *     Capitalized because "try" is a reserved word in JavaScript.
+ *     Taken directly from OpenLayers.Util.Try()
+ * 
+ * Parameters:
+ * [*] - {Function} Any number of parameters may be passed to Try()
+ *    It will attempt to execute each of them until one of them 
+ *    successfully executes. 
+ *    If none executes successfully, returns null.
+ * 
+ * Returns:
+ * {*} The value returned by the first successfully executed function.
+ */
+OpenLayers.Util.Try = function() {
+    var returnValue = null;
+
+    for (var i=0, len=arguments.length; i<len; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) {}
+    }
+
+    return returnValue;
+};
+
+
+/** 
+ * Function: getNodes
+ * 
+ * These could/should be made namespace aware?
+ * 
+ * Parameters:
+ * p - {}
+ * tagName - {String}
+ * 
+ * Returns:
+ * {Array}
+ */
+OpenLayers.Util.getNodes=function(p, tagName) {
+    var nodes = OpenLayers.Util.Try(
+        function () {
+            return OpenLayers.Util._getNodes(p.documentElement.childNodes,
+                                            tagName);
+        },
+        function () {
+            return OpenLayers.Util._getNodes(p.childNodes, tagName);
+        }
+    );
+    return nodes;
+};
+
+/**
+ * Function: _getNodes
+ * 
+ * Parameters:
+ * nodes - {Array}
+ * tagName - {String}
+ * 
+ * Returns:
+ * {Array}
+ */
+OpenLayers.Util._getNodes=function(nodes, tagName) {
+    var retArray = [];
+    for (var i=0, len=nodes.length; i<len; i++) {
+        if (nodes[i].nodeName==tagName) {
+            retArray.push(nodes[i]);
+        }
+    }
+
+    return retArray;
+};
+
+
+
+/**
+ * Function: getTagText
+ * 
+ * Parameters:
+ * parent - {}
+ * item - {String}
+ * index - {Integer}
+ * 
+ * Returns:
+ * {String}
+ */
+OpenLayers.Util.getTagText = function (parent, item, index) {
+    var result = OpenLayers.Util.getNodes(parent, item);
+    if (result && (result.length > 0))
+    {
+        if (!index) {
+            index=0;
+        }
+        if (result[index].childNodes.length > 1) {
+            return result.childNodes[1].nodeValue; 
+        }
+        else if (result[index].childNodes.length == 1) {
+            return result[index].firstChild.nodeValue; 
+        }
+    } else { 
+        return ""; 
+    }
+};
+
+/**
+ * Function: getXmlNodeValue
+ * 
+ * Parameters:
+ * node - {XMLNode}
+ * 
+ * Returns:
+ * {String} The text value of the given node, without breaking in firefox or IE
+ */
+OpenLayers.Util.getXmlNodeValue = function(node) {
+    var val = null;
+    OpenLayers.Util.Try( 
+        function() {
+            val = node.text;
+            if (!val) {
+                val = node.textContent;
+            }
+            if (!val) {
+                val = node.firstChild.nodeValue;
+            }
+        }, 
+        function() {
+            val = node.textContent;
+        }); 
+    return val;
+};
+
+/** 
+ * Function: mouseLeft
+ * 
+ * Parameters:
+ * evt - {Event}
+ * div - {HTMLDivElement}
+ * 
+ * Returns:
+ * {Boolean}
+ */
+OpenLayers.Util.mouseLeft = function (evt, div) {
+    // start with the element to which the mouse has moved
+    var target = (evt.relatedTarget) ? evt.relatedTarget : evt.toElement;
+    // walk up the DOM tree.
+    while (target != div && target != null) {
+        target = target.parentNode;
+    }
+    // if the target we stop at isn't the div, then we've left the div.
+    return (target != div);
+};
+
+/**
+ * Property: precision
+ * {Number} The number of significant digits to retain to avoid
+ * floating point precision errors.
+ *
+ * We use 14 as a "safe" default because, although IEEE 754 double floats
+ * (standard on most modern operating systems) support up to about 16
+ * significant digits, 14 significant digits are sufficient to represent
+ * sub-millimeter accuracy in any coordinate system that anyone is likely to
+ * use with OpenLayers.
+ *
+ * If DEFAULT_PRECISION is set to 0, the original non-truncating behavior
+ * of OpenLayers <2.8 is preserved. Be aware that this will cause problems
+ * with certain projections, e.g. spherical Mercator.
+ *
+ */
+OpenLayers.Util.DEFAULT_PRECISION = 14;
+
+/**
+ * Function: toFloat
+ * Convenience method to cast an object to a Number, rounded to the
+ * desired floating point precision.
+ *
+ * Parameters:
+ * number    - {Number} The number to cast and round.
+ * precision - {Number} An integer suitable for use with
+ *      Number.toPrecision(). Defaults to OpenLayers.Util.DEFAULT_PRECISION.
+ *      If set to 0, no rounding is performed.
+ *
+ * Returns:
+ * {Number} The cast, rounded number.
+ */
+OpenLayers.Util.toFloat = function (number, precision) {
+    if (precision == null) {
+        precision = OpenLayers.Util.DEFAULT_PRECISION;
+    }
+    var number;
+    if (precision == 0) {
+        number = parseFloat(number);
+    } else {
+        number = parseFloat(parseFloat(number).toPrecision(precision));
+    }
+    return number;
+};
+
+/**
+ * Function: rad
+ * 
+ * Parameters:
+ * x - {Float}
+ * 
+ * Returns:
+ * {Float}
+ */
+OpenLayers.Util.rad = function(x) {return x*Math.PI/180;};
+
+/**
+ * Function: deg
+ *
+ * Parameters:
+ * x - {Float}
+ *
+ * Returns:
+ * {Float}
+ */
+OpenLayers.Util.deg = function(x) {return x*180/Math.PI;};
+
+/**
+ * Property: VincentyConstants
+ * {Object} Constants for Vincenty functions.
+ */
+OpenLayers.Util.VincentyConstants = {
+    a: 6378137,
+    b: 6356752.3142,
+    f: 1/298.257223563
+};
+
+/**
+ * APIFunction: distVincenty
+ * Given two objects representing points with geographic coordinates, this
+ *     calculates the distance between those points on the surface of an
+ *     ellipsoid.
+ *
+ * Parameters:
+ * p1 - {<OpenLayers.LonLat>} (or any object with both .lat, .lon properties)
+ * p2 - {<OpenLayers.LonLat>} (or any object with both .lat, .lon properties)
+ *
+ * Returns:
+ * {Float} The distance (in km) between the two input points as measured on an
+ *     ellipsoid.  Note that the input point objects must be in geographic
+ *     coordinates (decimal degrees) and the return distance is in kilometers.
+ */
+OpenLayers.Util.distVincenty = function(p1, p2) {
+    var ct = OpenLayers.Util.VincentyConstants;
+    var a = ct.a, b = ct.b, f = ct.f;
+
+    var L = OpenLayers.Util.rad(p2.lon - p1.lon);
+    var U1 = Math.atan((1-f) * Math.tan(OpenLayers.Util.rad(p1.lat)));
+    var U2 = Math.atan((1-f) * Math.tan(OpenLayers.Util.rad(p2.lat)));
+    var sinU1 = Math.sin(U1), cosU1 = Math.cos(U1);
+    var sinU2 = Math.sin(U2), cosU2 = Math.cos(U2);
+    var lambda = L, lambdaP = 2*Math.PI;
+    var iterLimit = 20;
+    while (Math.abs(lambda-lambdaP) > 1e-12 && --iterLimit>0) {
+        var sinLambda = Math.sin(lambda), cosLambda = Math.cos(lambda);
+        var sinSigma = Math.sqrt((cosU2*sinLambda) * (cosU2*sinLambda) +
+        (cosU1*sinU2-sinU1*cosU2*cosLambda) * (cosU1*sinU2-sinU1*cosU2*cosLambda));
+        if (sinSigma==0) {
+            return 0;  // co-incident points
+        }
+        var cosSigma = sinU1*sinU2 + cosU1*cosU2*cosLambda;
+        var sigma = Math.atan2(sinSigma, cosSigma);
+        var alpha = Math.asin(cosU1 * cosU2 * sinLambda / sinSigma);
+        var cosSqAlpha = Math.cos(alpha) * Math.cos(alpha);
+        var cos2SigmaM = cosSigma - 2*sinU1*sinU2/cosSqAlpha;
+        var C = f/16*cosSqAlpha*(4+f*(4-3*cosSqAlpha));
+        lambdaP = lambda;
+        lambda = L + (1-C) * f * Math.sin(alpha) *
+        (sigma + C*sinSigma*(cos2SigmaM+C*cosSigma*(-1+2*cos2SigmaM*cos2SigmaM)));
+    }
+    if (iterLimit==0) {
+        return NaN;  // formula failed to converge
+    }
+    var uSq = cosSqAlpha * (a*a - b*b) / (b*b);
+    var A = 1 + uSq/16384*(4096+uSq*(-768+uSq*(320-175*uSq)));
+    var B = uSq/1024 * (256+uSq*(-128+uSq*(74-47*uSq)));
+    var deltaSigma = B*sinSigma*(cos2SigmaM+B/4*(cosSigma*(-1+2*cos2SigmaM*cos2SigmaM)-
+        B/6*cos2SigmaM*(-3+4*sinSigma*sinSigma)*(-3+4*cos2SigmaM*cos2SigmaM)));
+    var s = b*A*(sigma-deltaSigma);
+    var d = s.toFixed(3)/1000; // round to 1mm precision
+    return d;
+};
+
+/**
+ * APIFunction: destinationVincenty
+ * Calculate destination point given start point lat/long (numeric degrees),
+ * bearing (numeric degrees) & distance (in m).
+ * Adapted from Chris Veness work, see
+ * http://www.movable-type.co.uk/scripts/latlong-vincenty-direct.html
+ *
+ * Parameters:
+ * lonlat  - {<OpenLayers.LonLat>} (or any object with both .lat, .lon
+ *     properties) The start point.
+ * brng     - {Float} The bearing (degrees).
+ * distance - {Float} The ground distance (meters).
+ *
+ * Returns:
+ * {<OpenLayers.LonLat>} The destination point.
+ */
+OpenLayers.Util.destinationVincenty = function(lonlat, brng, dist) {
+    var u = OpenLayers.Util;
+    var ct = u.VincentyConstants;
+    var a = ct.a, b = ct.b, f = ct.f;
+
+    var lon1 = lonlat.lon;
+    var lat1 = lonlat.lat;
+
+    var s = dist;
+    var alpha1 = u.rad(brng);
+    var sinAlpha1 = Math.sin(alpha1);
+    var cosAlpha1 = Math.cos(alpha1);
+
+    var tanU1 = (1-f) * Math.tan(u.rad(lat1));
+    var cosU1 = 1 / Math.sqrt((1 + tanU1*tanU1)), sinU1 = tanU1*cosU1;
+    var sigma1 = Math.atan2(tanU1, cosAlpha1);
+    var sinAlpha = cosU1 * sinAlpha1;
+    var cosSqAlpha = 1 - sinAlpha*sinAlpha;
+    var uSq = cosSqAlpha * (a*a - b*b) / (b*b);
+    var A = 1 + uSq/16384*(4096+uSq*(-768+uSq*(320-175*uSq)));
+    var B = uSq/1024 * (256+uSq*(-128+uSq*(74-47*uSq)));
+
+    var sigma = s / (b*A), sigmaP = 2*Math.PI;
+    while (Math.abs(sigma-sigmaP) > 1e-12) {
+        var cos2SigmaM = Math.cos(2*sigma1 + sigma);
+        var sinSigma = Math.sin(sigma);
+        var cosSigma = Math.cos(sigma);
+        var deltaSigma = B*sinSigma*(cos2SigmaM+B/4*(cosSigma*(-1+2*cos2SigmaM*cos2SigmaM)-
+            B/6*cos2SigmaM*(-3+4*sinSigma*sinSigma)*(-3+4*cos2SigmaM*cos2SigmaM)));
+        sigmaP = sigma;
+        sigma = s / (b*A) + deltaSigma;
+    }
+
+    var tmp = sinU1*sinSigma - cosU1*cosSigma*cosAlpha1;
+    var lat2 = Math.atan2(sinU1*cosSigma + cosU1*sinSigma*cosAlpha1,
+        (1-f)*Math.sqrt(sinAlpha*sinAlpha + tmp*tmp));
+    var lambda = Math.atan2(sinSigma*sinAlpha1, cosU1*cosSigma - sinU1*sinSigma*cosAlpha1);
+    var C = f/16*cosSqAlpha*(4+f*(4-3*cosSqAlpha));
+    var L = lambda - (1-C) * f * sinAlpha *
+        (sigma + C*sinSigma*(cos2SigmaM+C*cosSigma*(-1+2*cos2SigmaM*cos2SigmaM)));
+
+    var revAz = Math.atan2(sinAlpha, -tmp);  // final bearing
+
+    return new OpenLayers.LonLat(lon1+u.deg(L), u.deg(lat2));
+};
+
+/**
+ * Function: getParameters
+ * Parse the parameters from a URL or from the current page itself into a 
+ *     JavaScript Object. Note that parameter values with commas are separated
+ *     out into an Array.
+ * 
+ * Parameters:
+ * url - {String} Optional url used to extract the query string.
+ *                If null, query string is taken from page location.
+ * 
+ * Returns:
+ * {Object} An object of key/value pairs from the query string.
+ */
+OpenLayers.Util.getParameters = function(url) {
+    // if no url specified, take it from the location bar
+    url = url || window.location.href;
+
+    //parse out parameters portion of url string
+    var paramsString = "";
+    if (OpenLayers.String.contains(url, '?')) {
+        var start = url.indexOf('?') + 1;
+        var end = OpenLayers.String.contains(url, "#") ?
+                    url.indexOf('#') : url.length;
+        paramsString = url.substring(start, end);
+    }
+
+    var parameters = {};
+    var pairs = paramsString.split(/[&;]/);
+    for(var i=0, len=pairs.length; i<len; ++i) {
+        var keyValue = pairs[i].split('=');
+        if (keyValue[0]) {
+            var key = decodeURIComponent(keyValue[0]);
+            var value = keyValue[1] || ''; //empty string if no value
+
+            //decode individual values (being liberal by replacing "+" with " ")
+            value = decodeURIComponent(value.replace(/\+/g, " ")).split(",");
+
+            //if there's only one value, do not return as array                    
+            if (value.length == 1) {
+                value = value[0];
+            }                
+            
+            parameters[key] = value;
+         }
+     }
+    return parameters;
+};
+
+/**
+ * Function: getArgs
+ * *Deprecated*.  Will be removed in 3.0.  Please use instead
+ *     <OpenLayers.Util.getParameters>
+ * 
+ * Parameters:
+ * url - {String} Optional url used to extract the query string.
+ *                If null, query string is taken from page location.
+ * 
+ * Returns:
+ * {Object} An object of key/value pairs from the query string.
+ */
+OpenLayers.Util.getArgs = function(url) {
+    OpenLayers.Console.warn(
+        OpenLayers.i18n(
+            "methodDeprecated", {'newMethod': 'OpenLayers.Util.getParameters'}
+        )
+    );
+    return OpenLayers.Util.getParameters(url);
+};
+
+/**
+ * Property: lastSeqID
+ * {Integer} The ever-incrementing count variable.
+ *           Used for generating unique ids.
+ */
+OpenLayers.Util.lastSeqID = 0;
+
+/**
+ * Function: createUniqueID
+ * Create a unique identifier for this session.  Each time this function
+ *     is called, a counter is incremented.  The return will be the optional
+ *     prefix (defaults to "id_") appended with the counter value.
+ * 
+ * Parameters:
+ * prefix {String} Optionsal string to prefix unique id. Default is "id_".
+ * 
+ * Returns:
+ * {String} A unique id string, built on the passed in prefix.
+ */
+OpenLayers.Util.createUniqueID = function(prefix) {
+    if (prefix == null) {
+        prefix = "id_";
+    }
+    OpenLayers.Util.lastSeqID += 1; 
+    return prefix + OpenLayers.Util.lastSeqID;        
+};
+
+/**
+ * Constant: INCHES_PER_UNIT
+ * {Object} Constant inches per unit -- borrowed from MapServer mapscale.c
+ * derivation of nautical miles from http://en.wikipedia.org/wiki/Nautical_mile
+ * Includes the full set of units supported by CS-MAP (http://trac.osgeo.org/csmap/)
+ * and PROJ.4 (http://trac.osgeo.org/proj/)
+ * The hardcoded table is maintain in a CS-MAP source code module named CSdataU.c
+ * The hardcoded table of PROJ.4 units are in pj_units.c.
+ */
+OpenLayers.INCHES_PER_UNIT = { 
+    'inches': 1.0,
+    'ft': 12.0,
+    'mi': 63360.0,
+    'm': 39.3701,
+    'km': 39370.1,
+    'dd': 4374754,
+    'yd': 36
+};
+OpenLayers.INCHES_PER_UNIT["in"]= OpenLayers.INCHES_PER_UNIT.inches;
+OpenLayers.INCHES_PER_UNIT["degrees"] = OpenLayers.INCHES_PER_UNIT.dd;
+OpenLayers.INCHES_PER_UNIT["nmi"] = 1852 * OpenLayers.INCHES_PER_UNIT.m;
+
+// Units from CS-Map
+OpenLayers.METERS_PER_INCH = 0.02540005080010160020;
+OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT, {
+    "Inch": OpenLayers.INCHES_PER_UNIT.inches,
+    "Meter": 1.0 / OpenLayers.METERS_PER_INCH,   //EPSG:9001
+    "Foot": 0.30480060960121920243 / OpenLayers.METERS_PER_INCH,   //EPSG:9003
+    "IFoot": 0.30480000000000000000 / OpenLayers.METERS_PER_INCH,   //EPSG:9002
+    "ClarkeFoot": 0.3047972651151 / OpenLayers.METERS_PER_INCH,   //EPSG:9005
+    "SearsFoot": 0.30479947153867624624 / OpenLayers.METERS_PER_INCH,   //EPSG:9041
+    "GoldCoastFoot": 0.30479971018150881758 / OpenLayers.METERS_PER_INCH,   //EPSG:9094
+    "IInch": 0.02540000000000000000 / OpenLayers.METERS_PER_INCH,
+    "MicroInch": 0.00002540000000000000 / OpenLayers.METERS_PER_INCH,
+    "Mil": 0.00000002540000000000 / OpenLayers.METERS_PER_INCH,
+    "Centimeter": 0.01000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "Kilometer": 1000.00000000000000000000 / OpenLayers.METERS_PER_INCH,   //EPSG:9036
+    "Yard": 0.91440182880365760731 / OpenLayers.METERS_PER_INCH,
+    "SearsYard": 0.914398414616029 / OpenLayers.METERS_PER_INCH,   //EPSG:9040
+    "IndianYard": 0.91439853074444079983 / OpenLayers.METERS_PER_INCH,   //EPSG:9084
+    "IndianYd37": 0.91439523 / OpenLayers.METERS_PER_INCH,   //EPSG:9085
+    "IndianYd62": 0.9143988 / OpenLayers.METERS_PER_INCH,   //EPSG:9086
+    "IndianYd75": 0.9143985 / OpenLayers.METERS_PER_INCH,   //EPSG:9087
+    "IndianFoot": 0.30479951 / OpenLayers.METERS_PER_INCH,   //EPSG:9080
+    "IndianFt37": 0.30479841 / OpenLayers.METERS_PER_INCH,   //EPSG:9081
+    "IndianFt62": 0.3047996 / OpenLayers.METERS_PER_INCH,   //EPSG:9082
+    "IndianFt75": 0.3047995 / OpenLayers.METERS_PER_INCH,   //EPSG:9083
+    "Mile": 1609.34721869443738887477 / OpenLayers.METERS_PER_INCH,
+    "IYard": 0.91440000000000000000 / OpenLayers.METERS_PER_INCH,   //EPSG:9096
+    "IMile": 1609.34400000000000000000 / OpenLayers.METERS_PER_INCH,   //EPSG:9093
+    "NautM": 1852.00000000000000000000 / OpenLayers.METERS_PER_INCH,   //EPSG:9030
+    "Lat-66": 110943.316488932731 / OpenLayers.METERS_PER_INCH,
+    "Lat-83": 110946.25736872234125 / OpenLayers.METERS_PER_INCH,
+    "Decimeter": 0.10000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "Millimeter": 0.00100000000000000000 / OpenLayers.METERS_PER_INCH,
+    "Dekameter": 10.00000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "Decameter": 10.00000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "Hectometer": 100.00000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "GermanMeter": 1.0000135965 / OpenLayers.METERS_PER_INCH,   //EPSG:9031
+    "CaGrid": 0.999738 / OpenLayers.METERS_PER_INCH,
+    "ClarkeChain": 20.1166194976 / OpenLayers.METERS_PER_INCH,   //EPSG:9038
+    "GunterChain": 20.11684023368047 / OpenLayers.METERS_PER_INCH,   //EPSG:9033
+    "BenoitChain": 20.116782494375872 / OpenLayers.METERS_PER_INCH,   //EPSG:9062
+    "SearsChain": 20.11676512155 / OpenLayers.METERS_PER_INCH,   //EPSG:9042
+    "ClarkeLink": 0.201166194976 / OpenLayers.METERS_PER_INCH,   //EPSG:9039
+    "GunterLink": 0.2011684023368047 / OpenLayers.METERS_PER_INCH,   //EPSG:9034
+    "BenoitLink": 0.20116782494375872 / OpenLayers.METERS_PER_INCH,   //EPSG:9063
+    "SearsLink": 0.2011676512155 / OpenLayers.METERS_PER_INCH,   //EPSG:9043
+    "Rod": 5.02921005842012 / OpenLayers.METERS_PER_INCH,
+    "IntnlChain": 20.1168 / OpenLayers.METERS_PER_INCH,   //EPSG:9097
+    "IntnlLink": 0.201168 / OpenLayers.METERS_PER_INCH,   //EPSG:9098
+    "Perch": 5.02921005842012 / OpenLayers.METERS_PER_INCH,
+    "Pole": 5.02921005842012 / OpenLayers.METERS_PER_INCH,
+    "Furlong": 201.1684023368046 / OpenLayers.METERS_PER_INCH,
+    "Rood": 3.778266898 / OpenLayers.METERS_PER_INCH,
+    "CapeFoot": 0.3047972615 / OpenLayers.METERS_PER_INCH,
+    "Brealey": 375.00000000000000000000 / OpenLayers.METERS_PER_INCH,
+    "ModAmFt": 0.304812252984505969011938 / OpenLayers.METERS_PER_INCH,
+    "Fathom": 1.8288 / OpenLayers.METERS_PER_INCH,
+    "NautM-UK": 1853.184 / OpenLayers.METERS_PER_INCH,
+    "50kilometers": 50000.0 / OpenLayers.METERS_PER_INCH,
+    "150kilometers": 150000.0 / OpenLayers.METERS_PER_INCH
+});
+
+//unit abbreviations supported by PROJ.4
+OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT, {
+    "mm": OpenLayers.INCHES_PER_UNIT["Meter"] / 1000.0,
+    "cm": OpenLayers.INCHES_PER_UNIT["Meter"] / 100.0,
+    "dm": OpenLayers.INCHES_PER_UNIT["Meter"] * 100.0,
+    "km": OpenLayers.INCHES_PER_UNIT["Meter"] * 1000.0,
+    "kmi": OpenLayers.INCHES_PER_UNIT["nmi"],    //International Nautical Mile
+    "fath": OpenLayers.INCHES_PER_UNIT["Fathom"], //International Fathom
+    "ch": OpenLayers.INCHES_PER_UNIT["IntnlChain"],  //International Chain
+    "link": OpenLayers.INCHES_PER_UNIT["IntnlLink"], //International Link
+    "us-in": OpenLayers.INCHES_PER_UNIT["inches"], //U.S. Surveyor's Inch
+    "us-ft": OpenLayers.INCHES_PER_UNIT["Foot"],	//U.S. Surveyor's Foot
+    "us-yd": OpenLayers.INCHES_PER_UNIT["Yard"],	//U.S. Surveyor's Yard
+    "us-ch": OpenLayers.INCHES_PER_UNIT["GunterChain"], //U.S. Surveyor's Chain
+    "us-mi": OpenLayers.INCHES_PER_UNIT["Mile"],   //U.S. Surveyor's Statute Mile
+    "ind-yd": OpenLayers.INCHES_PER_UNIT["IndianYd37"],  //Indian Yard
+    "ind-ft": OpenLayers.INCHES_PER_UNIT["IndianFt37"],  //Indian Foot
+    "ind-ch": 20.11669506 / OpenLayers.METERS_PER_INCH  //Indian Chain
+});
+
+/** 
+ * Constant: DOTS_PER_INCH
+ * {Integer} 72 (A sensible default)
+ */
+OpenLayers.DOTS_PER_INCH = 72;
+
+/**
+ * Function: normalizeScale
+ * 
+ * Parameters:
+ * scale - {float}
+ * 
+ * Returns:
+ * {Float} A normalized scale value, in 1 / X format. 
+ *         This means that if a value less than one ( already 1/x) is passed
+ *         in, it just returns scale directly. Otherwise, it returns 
+ *         1 / scale
+ */
+OpenLayers.Util.normalizeScale = function (scale) {
+    var normScale = (scale > 1.0) ? (1.0 / scale) 
+                                  : scale;
+    return normScale;
+};
+
+/**
+ * Function: getResolutionFromScale
+ * 
+ * Parameters:
+ * scale - {Float}
+ * units - {String} Index into OpenLayers.INCHES_PER_UNIT hashtable.
+ *                  Default is degrees
+ * 
+ * Returns:
+ * {Float} The corresponding resolution given passed-in scale and unit 
+ *     parameters.  If the given scale is falsey, the returned resolution will
+ *     be undefined.
+ */
+OpenLayers.Util.getResolutionFromScale = function (scale, units) {
+    var resolution;
+    if (scale) {
+        if (units == null) {
+            units = "degrees";
+        }
+        var normScale = OpenLayers.Util.normalizeScale(scale);
+        resolution = 1 / (normScale * OpenLayers.INCHES_PER_UNIT[units]
+                                        * OpenLayers.DOTS_PER_INCH);        
+    }
+    return resolution;
+};
+
+/**
+ * Function: getScaleFromResolution
+ * 
+ * Parameters:
+ * resolution - {Float}
+ * units - {String} Index into OpenLayers.INCHES_PER_UNIT hashtable.
+ *                  Default is degrees
+ * 
+ * Returns:
+ * {Float} The corresponding scale given passed-in resolution and unit 
+ *         parameters.
+ */
+OpenLayers.Util.getScaleFromResolution = function (resolution, units) {
+
+    if (units == null) {
+        units = "degrees";
+    }
+
+    var scale = resolution * OpenLayers.INCHES_PER_UNIT[units] *
+                    OpenLayers.DOTS_PER_INCH;
+    return scale;
+};
+
+/**
+ * Function: safeStopPropagation
+ * *Deprecated*. This function has been deprecated. Please use directly 
+ *     <OpenLayers.Event.stop> passing 'true' as the 2nd 
+ *     argument (preventDefault)
+ * 
+ * Safely stop the propagation of an event *without* preventing
+ *   the default browser action from occurring.
+ * 
+ * Parameter:
+ * evt - {Event}
+ */
+OpenLayers.Util.safeStopPropagation = function(evt) {
+    OpenLayers.Event.stop(evt, true);
+};
+
+/**
+ * Function: pagePositon
+ * Calculates the position of an element on the page. 
+ *
+ * Parameters:
+ * forElement - {DOMElement}
+ * 
+ * Returns:
+ * {Array} two item array, L value then T value.
+ */
+OpenLayers.Util.pagePosition = function(forElement) {
+    var valueT = 0, valueL = 0;
+
+    var element = forElement;
+    var child = forElement;
+    while(element) {
+
+        if(element == document.body) {
+            if(OpenLayers.Element.getStyle(child, 'position') == 'absolute') {
+                break;
+            }
+        }
+        
+        valueT += element.offsetTop  || 0;
+        valueL += element.offsetLeft || 0;
+
+        child = element;
+        try {
+            // wrapping this in a try/catch because IE chokes on the offsetParent
+            element = element.offsetParent;
+        } catch(e) {
+            OpenLayers.Console.error(OpenLayers.i18n(
+                                  "pagePositionFailed",{'elemId':element.id}));
+            break;
+        }
+    }
+
+    element = forElement;
+    while(element) {
+        valueT -= element.scrollTop  || 0;
+        valueL -= element.scrollLeft || 0;
+        element = element.parentNode;
+    }
+    
+    return [valueL, valueT];
+};
+
+
+/** 
+ * Function: isEquivalentUrl
+ * Test two URLs for equivalence. 
+ * 
+ * Setting 'ignoreCase' allows for case-independent comparison.
+ * 
+ * Comparison is based on: 
+ *  - Protocol
+ *  - Host (evaluated without the port)
+ *  - Port (set 'ignorePort80' to ignore "80" values)
+ *  - Hash ( set 'ignoreHash' to disable)
+ *  - Pathname (for relative <-> absolute comparison) 
+ *  - Arguments (so they can be out of order)
+ *  
+ * Parameters:
+ * url1 - {String}
+ * url2 - {String}
+ * options - {Object} Allows for customization of comparison:
+ *                    'ignoreCase' - Default is True
+ *                    'ignorePort80' - Default is True
+ *                    'ignoreHash' - Default is True
+ *
+ * Returns:
+ * {Boolean} Whether or not the two URLs are equivalent
+ */
+OpenLayers.Util.isEquivalentUrl = function(url1, url2, options) {
+    options = options || {};
+
+    OpenLayers.Util.applyDefaults(options, {
+        ignoreCase: true,
+        ignorePort80: true,
+        ignoreHash: true
+    });
+
+    var urlObj1 = OpenLayers.Util.createUrlObject(url1, options);
+    var urlObj2 = OpenLayers.Util.createUrlObject(url2, options);
+
+    //compare all keys except for "args" (treated below)
+    for(var key in urlObj1) {
+        if(key !== "args") {
+            if(urlObj1[key] != urlObj2[key]) {
+                return false;
+            }
+        }
+    }
+
+    // compare search args - irrespective of order
+    for(var key in urlObj1.args) {
+        if(urlObj1.args[key] != urlObj2.args[key]) {
+            return false;
+        }
+        delete urlObj2.args[key];
+    }
+    // urlObj2 shouldn't have any args left
+    for(var key in urlObj2.args) {
+        return false;
+    }
+    
+    return true;
+};
+
+/**
+ * Function: createUrlObject
+ * 
+ * Parameters:
+ * url - {String}
+ * options - {Object} A hash of options.  Can be one of:
+ *            ignoreCase: lowercase url,
+ *            ignorePort80: don't include explicit port if port is 80,
+ *            ignoreHash: Don't include part of url after the hash (#).
+ * 
+ * Returns:
+ * {Object} An object with separate url, a, port, host, and args parsed out 
+ *          and ready for comparison
+ */
+OpenLayers.Util.createUrlObject = function(url, options) {
+    options = options || {};
+
+    // deal with relative urls first
+    if(!(/^\w+:\/\//).test(url)) {
+        var loc = window.location;
+        var port = loc.port ? ":" + loc.port : "";
+        var fullUrl = loc.protocol + "//" + loc.host.split(":").shift() + port;
+        if(url.indexOf("/") === 0) {
+            // full pathname
+            url = fullUrl + url;
+        } else {
+            // relative to current path
+            var parts = loc.pathname.split("/");
+            parts.pop();
+            url = fullUrl + parts.join("/") + "/" + url;
+        }
+    }
+  
+    if (options.ignoreCase) {
+        url = url.toLowerCase(); 
+    }
+
+    var a = document.createElement('a');
+    a.href = url;
+    
+    var urlObject = {};
+    
+    //host (without port)
+    urlObject.host = a.host.split(":").shift();
+
+    //protocol
+    urlObject.protocol = a.protocol;  
+
+    //port (get uniform browser behavior with port 80 here)
+    if(options.ignorePort80) {
+        urlObject.port = (a.port == "80" || a.port == "0") ? "" : a.port;
+    } else {
+        urlObject.port = (a.port == "" || a.port == "0") ? "80" : a.port;
+    }
+
+    //hash
+    urlObject.hash = (options.ignoreHash || a.hash === "#") ? "" : a.hash;  
+    
+    //args
+    var queryString = a.search;
+    if (!queryString) {
+        var qMark = url.indexOf("?");
+        queryString = (qMark != -1) ? url.substr(qMark) : "";
+    }
+    urlObject.args = OpenLayers.Util.getParameters(queryString);
+
+    //pathname (uniform browser behavior with leading "/")
+    urlObject.pathname = (a.pathname.charAt(0) == "/") ? a.pathname : "/" + a.pathname;
+    
+    return urlObject; 
+};
+ 
+/**
+ * Function: removeTail
+ * Takes a url and removes everything after the ? and #
+ * 
+ * Parameters:
+ * url - {String} The url to process
+ * 
+ * Returns:
+ * {String} The string with all queryString and Hash removed
+ */
+OpenLayers.Util.removeTail = function(url) {
+    var head = null;
+    
+    var qMark = url.indexOf("?");
+    var hashMark = url.indexOf("#");
+
+    if (qMark == -1) {
+        head = (hashMark != -1) ? url.substr(0,hashMark) : url;
+    } else {
+        head = (hashMark != -1) ? url.substr(0,Math.min(qMark, hashMark)) 
+                                  : url.substr(0, qMark);
+    }
+    return head;
+};
+
+
+/**
+ * Function: getBrowserName
+ * 
+ * Returns:
+ * {String} A string which specifies which is the current 
+ *          browser in which we are running. 
+ * 
+ *          Currently-supported browser detection and codes:
+ *           * 'opera' -- Opera
+ *           * 'msie'  -- Internet Explorer
+ *           * 'safari' -- Safari
+ *           * 'firefox' -- FireFox
+ *           * 'mozilla' -- Mozilla
+ * 
+ *          If we are unable to property identify the browser, we 
+ *           return an empty string.
+ */
+OpenLayers.Util.getBrowserName = function() {
+    var browserName = "";
+    
+    var ua = navigator.userAgent.toLowerCase();
+    if ( ua.indexOf( "opera" ) != -1 ) {
+        browserName = "opera";
+    } else if ( ua.indexOf( "msie" ) != -1 ) {
+        browserName = "msie";
+    } else if ( ua.indexOf( "safari" ) != -1 ) {
+        browserName = "safari";
+    } else if ( ua.indexOf( "mozilla" ) != -1 ) {
+        if ( ua.indexOf( "firefox" ) != -1 ) {
+            browserName = "firefox";
+        } else {
+            browserName = "mozilla";
+        }
+    }
+    
+    return browserName;
+};
+
+
+
+    
+/**
+ * Method: getRenderedDimensions
+ * Renders the contentHTML offscreen to determine actual dimensions for
+ *     popup sizing. As we need layout to determine dimensions the content
+ *     is rendered -9999px to the left and absolute to ensure the 
+ *     scrollbars do not flicker
+ *     
+ * Parameters:
+ * contentHTML
+ * size - {<OpenLayers.Size>} If either the 'w' or 'h' properties is 
+ *     specified, we fix that dimension of the div to be measured. This is 
+ *     useful in the case where we have a limit in one dimension and must 
+ *     therefore meaure the flow in the other dimension.
+ * options - {Object}
+ *     displayClass - {String} Optional parameter.  A CSS class name(s) string
+ *         to provide the CSS context of the rendered content.
+ *     containerElement - {DOMElement} Optional parameter. Insert the HTML to 
+ *         this node instead of the body root when calculating dimensions. 
+ * 
+ * Returns:
+ * {OpenLayers.Size}
+ */
+OpenLayers.Util.getRenderedDimensions = function(contentHTML, size, options) {
+    
+    var w, h;
+    
+    // create temp container div with restricted size
+    var container = document.createElement("div");
+    container.style.visibility = "hidden";
+        
+    var containerElement = (options && options.containerElement) 
+    	? options.containerElement : document.body;
+
+    //fix a dimension, if specified.
+    if (size) {
+        if (size.w) {
+            w = size.w;
+            container.style.width = w + "px";
+        } else if (size.h) {
+            h = size.h;
+            container.style.height = h + "px";
+        }
+    }
+
+    //add css classes, if specified
+    if (options && options.displayClass) {
+        container.className = options.displayClass;
+    }
+    
+    // create temp content div and assign content
+    var content = document.createElement("div");
+    content.innerHTML = contentHTML;
+    
+    // we need overflow visible when calculating the size
+    content.style.overflow = "visible";
+    if (content.childNodes) {
+        for (var i=0, l=content.childNodes.length; i<l; i++) {
+            if (!content.childNodes[i].style) continue;
+            content.childNodes[i].style.overflow = "visible";
+        }
+    }
+    
+    // add content to restricted container 
+    container.appendChild(content);
+    
+    // append container to body for rendering
+    containerElement.appendChild(container);
+    
+    // Opera and IE7 can't handle a node with position:aboslute if it inherits
+    // position:absolute from a parent.
+    var parentHasPositionAbsolute = false;
+    var parent = container.parentNode;
+    while (parent && parent.tagName.toLowerCase()!="body") {
+        var parentPosition = OpenLayers.Element.getStyle(parent, "position");
+        if(parentPosition == "absolute") {
+            parentHasPositionAbsolute = true;
+            break;
+        } else if (parentPosition && parentPosition != "static") {
+            break;
+        }
+        parent = parent.parentNode;
+    }
+
+    if(!parentHasPositionAbsolute) {
+        container.style.position = "absolute";
+    }
+    
+    // calculate scroll width of content and add corners and shadow width
+    if (!w) {
+        w = parseInt(content.scrollWidth);
+    
+        // update container width to allow height to adjust
+        container.style.width = w + "px";
+    }        
+    // capture height and add shadow and corner image widths
+    if (!h) {
+        h = parseInt(content.scrollHeight);
+    }
+
+    // remove elements
+    container.removeChild(content);
+    containerElement.removeChild(container);
+    
+    return new OpenLayers.Size(w, h);
+};
+
+/**
+ * APIFunction: getScrollbarWidth
+ * This function has been modified by the OpenLayers from the original version,
+ *     written by Matthew Eernisse and released under the Apache 2 
+ *     license here:
+ * 
+ *     http://www.fleegix.org/articles/2006/05/30/getting-the-scrollbar-width-in-pixels
+ * 
+ *     It has been modified simply to cache its value, since it is physically 
+ *     impossible that this code could ever run in more than one browser at 
+ *     once. 
+ * 
+ * Returns:
+ * {Integer}
+ */
+OpenLayers.Util.getScrollbarWidth = function() {
+    
+    var scrollbarWidth = OpenLayers.Util._scrollbarWidth;
+    
+    if (scrollbarWidth == null) {
+        var scr = null;
+        var inn = null;
+        var wNoScroll = 0;
+        var wScroll = 0;
+    
+        // Outer scrolling div
+        scr = document.createElement('div');
+        scr.style.position = 'absolute';
+        scr.style.top = '-1000px';
+        scr.style.left = '-1000px';
+        scr.style.width = '100px';
+        scr.style.height = '50px';
+        // Start with no scrollbar
+        scr.style.overflow = 'hidden';
+    
+        // Inner content div
+        inn = document.createElement('div');
+        inn.style.width = '100%';
+        inn.style.height = '200px';
+    
+        // Put the inner div in the scrolling div
+        scr.appendChild(inn);
+        // Append the scrolling div to the doc
+        document.body.appendChild(scr);
+    
+        // Width of the inner div sans scrollbar
+        wNoScroll = inn.offsetWidth;
+    
+        // Add the scrollbar
+        scr.style.overflow = 'scroll';
+        // Width of the inner div width scrollbar
+        wScroll = inn.offsetWidth;
+    
+        // Remove the scrolling div from the doc
+        document.body.removeChild(document.body.lastChild);
+    
+        // Pixel width of the scroller
+        OpenLayers.Util._scrollbarWidth = (wNoScroll - wScroll);
+        scrollbarWidth = OpenLayers.Util._scrollbarWidth;
+    }
+
+    return scrollbarWidth;
+};
+
+/**
+ * APIFunction: getFormattedLonLat
+ * This function will return latitude or longitude value formatted as 
+ *
+ * Parameters:
+ * coordinate - {Float} the coordinate value to be formatted
+ * axis - {String} value of either 'lat' or 'lon' to indicate which axis is to
+ *          to be formatted (default = lat)
+ * dmsOption - {String} specify the precision of the output can be one of:
+ *           'dms' show degrees minutes and seconds
+ *           'dm' show only degrees and minutes
+ *           'd' show only degrees
+ * 
+ * Returns:
+ * {String} the coordinate value formatted as a string
+ */
+OpenLayers.Util.getFormattedLonLat = function(coordinate, axis, dmsOption) {
+    if (!dmsOption) {
+        dmsOption = 'dms';    //default to show degree, minutes, seconds
+    }
+    var abscoordinate = Math.abs(coordinate)
+    var coordinatedegrees = Math.floor(abscoordinate);
+
+    var coordinateminutes = (abscoordinate - coordinatedegrees)/(1/60);
+    var tempcoordinateminutes = coordinateminutes;
+    coordinateminutes = Math.floor(coordinateminutes);
+    var coordinateseconds = (tempcoordinateminutes - coordinateminutes)/(1/60);
+    coordinateseconds =  Math.round(coordinateseconds*10);
+    coordinateseconds /= 10;
+
+    if( coordinatedegrees < 10 ) {
+        coordinatedegrees = "0" + coordinatedegrees;
+    }
+    var str = coordinatedegrees + "\u00B0";
+
+    if (dmsOption.indexOf('dm') >= 0) {
+        if( coordinateminutes < 10 ) {
+            coordinateminutes = "0" + coordinateminutes;
+        }
+        str += coordinateminutes + "'";
+  
+        if (dmsOption.indexOf('dms') >= 0) {
+            if( coordinateseconds < 10 ) {
+                coordinateseconds = "0" + coordinateseconds;
+            }
+            str += coordinateseconds + '"';
+        }
+    }
+    
+    if (axis == "lon") {
+        str += coordinate < 0 ? OpenLayers.i18n("W") : OpenLayers.i18n("E");
+    } else {
+        str += coordinate < 0 ? OpenLayers.i18n("S") : OpenLayers.i18n("N");
+    }
+    return str;
+};
+
+