--- a/labs/openlayers/lib/OpenLayers/Format/ArcXML.js
+++ b/labs/openlayers/lib/OpenLayers/Format/ArcXML.js
@@ -1,1 +1,1029 @@
-
+/* 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/Format/XML.js
+ * @requires OpenLayers/Geometry/Polygon.js
+ * @requires OpenLayers/Geometry/Point.js
+ * @requires OpenLayers/Geometry/MultiPolygon.js
+ * @requires OpenLayers/Geometry/LinearRing.js
+ */
+
+/**
+ * Class: OpenLayers.Format.ArcXML
+ * Read/Wite ArcXML. Create a new instance with the <OpenLayers.Format.ArcXML>
+ *     constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Format>
+ */
+OpenLayers.Format.ArcXML = OpenLayers.Class(OpenLayers.Format.XML, {
+
+    /**
+     * Property: fontStyleKeys
+     * {Array} List of keys used in font styling.
+     */
+    fontStyleKeys: [
+        'antialiasing', 'blockout', 'font', 'fontcolor','fontsize', 'fontstyle',
+        'glowing', 'interval', 'outline', 'printmode', 'shadow', 'transparency'
+    ],
+
+    /**
+     * Property: request
+     * A get_image request destined for an ArcIMS server.
+     */
+    request: null,
+    
+    /**
+     * Property: response
+     * A parsed response from an ArcIMS server.
+     */
+    response: null,
+
+    /**
+     * Constructor: OpenLayers.Format.ArcXML
+     * Create a new parser/writer for ArcXML.  Create an instance of this class
+     *    to begin authoring a request to an ArcIMS service.  This is used
+     *    primarily by the ArcIMS layer, but could be used to do other wild
+     *    stuff, like geocoding.
+     *
+     * Parameters:
+     * options - {Object} An optional object whose properties will be set on
+     *     this instance.
+     */
+    initialize: function(options) {
+        this.request = new OpenLayers.Format.ArcXML.Request();
+        this.response = new OpenLayers.Format.ArcXML.Response();
+
+        if (options) {
+            if (options.requesttype == "feature") {
+                this.request.get_image = null;
+            
+                var qry = this.request.get_feature.query;
+                this.addCoordSys(qry.featurecoordsys, options.featureCoordSys);
+                this.addCoordSys(qry.filtercoordsys, options.filterCoordSys);
+            
+                if (options.polygon) {
+                    qry.isspatial = true;
+                    qry.spatialfilter.polygon = options.polygon;
+                } else if (options.envelope) {
+                    qry.isspatial = true;
+                    qry.spatialfilter.envelope = {minx:0, miny:0, maxx:0, maxy:0};
+                    this.parseEnvelope(qry.spatialfilter.envelope, options.envelope);
+                }
+            } else if (options.requesttype == "image") {
+                this.request.get_feature = null;
+            
+                var props = this.request.get_image.properties;
+                this.parseEnvelope(props.envelope, options.envelope);
+            
+                this.addLayers(props.layerlist, options.layers);
+                this.addImageSize(props.imagesize, options.tileSize);
+                this.addCoordSys(props.featurecoordsys, options.featureCoordSys);
+                this.addCoordSys(props.filtercoordsys, options.filterCoordSys);
+            } else {
+                // if an arcxml object is being created with no request type, it is
+                // probably going to consume a response, so do not throw an error if
+                // the requesttype is not defined
+                this.request = null;
+            }
+        }
+        
+        OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
+    },
+    
+    /**
+     * Method: parseEnvelope
+     * Parse an array of coordinates into an ArcXML envelope structure.
+     *
+     * Parameters:
+     * env - {Object} An envelope object that will contain the parsed coordinates.
+     * arr - {Array(double)} An array of coordinates in the order: [ minx, miny, maxx, maxy ]
+     */
+    parseEnvelope: function(env, arr) {
+        if (arr && arr.length == 4) {          
+            env.minx = arr[0];
+            env.miny = arr[1];
+            env.maxx = arr[2];
+            env.maxy = arr[3];
+        }
+    },
+    
+    /** 
+     * Method: addLayers
+     * Add a collection of layers to another collection of layers. Each layer in the list is tuple of
+     * { id, visible }.  These layer collections represent the 
+     * /ARCXML/REQUEST/get_image/PROPERTIES/LAYERLIST/LAYERDEF items in ArcXML
+     *
+     * TODO: Add support for dynamic layer rendering.
+     *
+     * Parameters:
+     * ll - {Array({id,visible})} A list of layer definitions.
+     * lyrs - {Array({id,visible})} A list of layer definitions.
+     */
+    addLayers: function(ll, lyrs) {
+        for(var lind = 0, len=lyrs.length; lind < len; lind++) {
+            ll.push(lyrs[lind]);
+        }
+    },
+    
+    /**
+     * Method: addImageSize
+     * Set the size of the requested image.
+     *
+     * Parameters:
+     * imsize - {Object} An ArcXML imagesize object.
+     * olsize - {OpenLayers.Size} The image size to set.
+     */
+    addImageSize: function(imsize, olsize) {
+        if (olsize !== null) {
+            imsize.width = olsize.w;
+            imsize.height = olsize.h;
+            imsize.printwidth = olsize.w;
+            imsize.printheight = olsize.h;
+        }
+    },
+
+    /**
+     * Method: addCoordSys
+     * Add the coordinate system information to an object. The object may be 
+     *
+     * Parameters:
+     * featOrFilt - {Object} A featurecoordsys or filtercoordsys ArcXML structure.
+     * fsys - {String} or {OpenLayers.Projection} or {filtercoordsys} or 
+     * {featurecoordsys} A projection representation. If it's a {String}, 
+     * the value is assumed to be the SRID.  If it's a {OpenLayers.Projection} 
+     * AND Proj4js is available, the projection number and name are extracted 
+     * from there.  If it's a filter or feature ArcXML structure, it is copied.
+     */
+    addCoordSys: function(featOrFilt, fsys) {
+        if (typeof fsys == "string") {
+            featOrFilt.id = parseInt(fsys);
+            featOrFilt.string = fsys;
+        }
+        // is this a proj4js instance?
+        else if (typeof fsys == "object" && fsys.proj !== null){
+            featOrFilt.id = fsys.proj.srsProjNumber;
+            featOrFilt.string = fsys.proj.srsCode;
+        } else {
+            featOrFilt = fsys;
+        }
+    },
+
+    /**
+     * APIMethod: iserror
+     * Check to see if the response from the server was an error.
+     *
+     * Parameters:
+     * data - {String} or {DOMElement} data to read/parse. If nothing is supplied,
+     * the current response is examined.
+     *
+     * Returns:
+     * {Boolean} true if the response was an error.
+     */
+    iserror: function(data) {
+        var ret = null; 
+        
+        if (!data) {
+            ret = (this.response.error !== '');
+        } else {
+            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
+            var errorNodes = data.documentElement.getElementsByTagName("ERROR");
+            ret = (errorNodes !== null && errorNodes.length > 0);
+        }
+
+        return ret;
+    },
+
+    /**
+     * APIMethod: read
+     * Read data from a string, and return an response. 
+     * 
+     * Parameters:
+     * data - {String} or {DOMElement} data to read/parse.
+     *
+     * Returns:
+     * {OpenLayers.Format.ArcXML.Response} An ArcXML response. Note that this response
+     *     data may change in the future. 
+     */
+    read: function(data) {
+        if(typeof data == "string") {
+            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
+        }
+        
+        var arcNode = null;
+        if (data && data.documentElement) {
+            if(data.documentElement.nodeName == "ARCXML") {
+                arcNode = data.documentElement;
+            } else {
+                arcNode = data.documentElement.getElementsByTagName("ARCXML")[0];
+            }
+        }
+          
+        // in Safari, arcNode will be there but will have a child named 
+        // parsererror
+        if (!arcNode || arcNode.firstChild.nodeName === 'parsererror') {
+            var error, source;
+            try {
+                error = data.firstChild.nodeValue;
+                source = data.firstChild.childNodes[1].firstChild.nodeValue;
+            } catch (err) {
+                // pass
+            }
+            throw {
+                message: "Error parsing the ArcXML request", 
+                error: error,
+                source: source
+            };
+        }
+        
+        var response = this.parseResponse(arcNode);
+        return response;
+    },
+    
+    /**
+     * APIMethod: write
+     * Generate an ArcXml document string for sending to an ArcIMS server. 
+     * 
+     * Returns:
+     * {String} A string representing the ArcXML document request.
+     */
+    write: function(request) {       
+        if (!request) {
+            request = this.request;
+        }    
+        var root = this.createElementNS("", "ARCXML");
+        root.setAttribute("version","1.1");
+
+        var reqElem = this.createElementNS("", "REQUEST");
+        
+        if (request.get_image != null) {
+            var getElem = this.createElementNS("", "GET_IMAGE");
+            reqElem.appendChild(getElem);
+
+            var propElem = this.createElementNS("", "PROPERTIES");
+            getElem.appendChild(propElem);
+
+            var props = request.get_image.properties;
+            if (props.featurecoordsys != null) {
+                var feat = this.createElementNS("", "FEATURECOORDSYS");
+                propElem.appendChild(feat);
+                
+                if (props.featurecoordsys.id === 0) {
+                    feat.setAttribute("string", props.featurecoordsys['string']);
+                }
+                else {
+                    feat.setAttribute("id", props.featurecoordsys.id);
+                }
+            }
+          
+            if (props.filtercoordsys != null) {
+                var filt = this.createElementNS("", "FILTERCOORDSYS");
+                propElem.appendChild(filt);
+
+                if (props.filtercoordsys.id === 0) {
+                    filt.setAttribute("string", props.filtercoordsys.string);
+                }
+                else {
+                    filt.setAttribute("id", props.filtercoordsys.id);
+                }
+            }
+          
+            if (props.envelope != null) {
+                var env = this.createElementNS("", "ENVELOPE");
+                propElem.appendChild(env);
+
+                env.setAttribute("minx", props.envelope.minx);
+                env.setAttribute("miny", props.envelope.miny);
+                env.setAttribute("maxx", props.envelope.maxx);
+                env.setAttribute("maxy", props.envelope.maxy);
+            }        
+          
+            var imagesz = this.createElementNS("", "IMAGESIZE");
+            propElem.appendChild(imagesz);
+          
+            imagesz.setAttribute("height", props.imagesize.height);
+            imagesz.setAttribute("width", props.imagesize.width);
+          
+            if (props.imagesize.height != props.imagesize.printheight ||
+                 props.imagesize.width != props.imagesize.printwidth) {
+                imagesz.setAttribute("printheight", props.imagesize.printheight);
+                imagesz.setArrtibute("printwidth", props.imagesize.printwidth);
+            }
+          
+            if (props.background != null) {
+                var backgrnd = this.createElementNS("", "BACKGROUND");
+                propElem.appendChild(backgrnd);
+            
+                backgrnd.setAttribute("color", 
+                    props.background.color.r + "," + 
+                    props.background.color.g + "," + 
+                    props.background.color.b);
+              
+                if (props.background.transcolor !== null) {
+                    backgrnd.setAttribute("transcolor", 
+                        props.background.transcolor.r + "," + 
+                        props.background.transcolor.g + "," + 
+                        props.background.transcolor.b);
+                }
+            }
+          
+            if (props.layerlist != null && props.layerlist.length > 0) {
+                var layerlst = this.createElementNS("", "LAYERLIST");
+                propElem.appendChild(layerlst);
+            
+                for (var ld = 0; ld < props.layerlist.length; ld++) {
+                    var ldef = this.createElementNS("", "LAYERDEF");
+                    layerlst.appendChild(ldef);
+              
+                    ldef.setAttribute("id", props.layerlist[ld].id);
+                    ldef.setAttribute("visible", props.layerlist[ld].visible);
+              
+                    if (typeof props.layerlist[ld].query == "object") {
+                        var query = props.layerlist[ld].query;
+
+                        if (query.where.length < 0) {
+                            continue;
+                        }
+                  
+                        var queryElem = null;
+                        if (typeof query.spatialfilter == "boolean" && query.spatialfilter) {
+                            // handle spatial filter madness
+                            queryElem = this.createElementNS("", "SPATIALQUERY");
+                        }
+                        else {
+                            queryElem = this.createElementNS("", "QUERY");
+                        }
+                
+                        queryElem.setAttribute("where", query.where);
+                
+                        if (typeof query.accuracy == "number" && query.accuracy > 0) {
+                            queryElem.setAttribute("accuracy", query.accuracy);
+                        }
+                        if (typeof query.featurelimit == "number" && query.featurelimit < 2000) {
+                            queryElem.setAttribute("featurelimit", query.featurelimit);
+                        }
+                        if (typeof query.subfields == "string" && query.subfields != "#ALL#") {
+                            queryElem.setAttribute("subfields", query.subfields);
+                        }
+                        if (typeof query.joinexpression == "string" && query.joinexpression.length > 0) {
+                            queryElem.setAttribute("joinexpression", query.joinexpression);
+                        }
+                        if (typeof query.jointables == "string" && query.jointables.length > 0) {
+                            queryElem.setAttribute("jointables", query.jointables);
+                        }
+
+                        ldef.appendChild(queryElem);
+                    }
+              
+                    if (typeof props.layerlist[ld].renderer == "object") {
+                        this.addRenderer(ldef, props.layerlist[ld].renderer);                  
+                    }
+                }
+            }
+        } else if (request.get_feature != null) {
+            var getElem = this.createElementNS("", "GET_FEATURES");
+            getElem.setAttribute("outputmode", "newxml");
+            getElem.setAttribute("checkesc", "true");
+          
+            if (request.get_feature.geometry) {
+                getElem.setAttribute("geometry", request.get_feature.geometry);
+            }
+            else {
+                getElem.setAttribute("geometry", "false");
+            }
+          
+            if (request.get_feature.compact) {
+                getElem.setAttribute("compact", request.get_feature.compact);
+            }
+          
+            if (request.get_feature.featurelimit == "number") {
+                getElem.setAttribute("featurelimit", request.get_feature.featurelimit);
+            }
+          
+            getElem.setAttribute("globalenvelope", "true");
+            reqElem.appendChild(getElem);
+          
+            if (request.get_feature.layer != null && request.get_feature.layer.length > 0) {
+                var lyrElem = this.createElementNS("", "LAYER");
+                lyrElem.setAttribute("id", request.get_feature.layer);
+                getElem.appendChild(lyrElem);
+            }
+          
+            var fquery = request.get_feature.query;
+            if (fquery != null) {
+                var qElem = null;
+                if (fquery.isspatial) {
+                    qElem = this.createElementNS("", "SPATIALQUERY");
+                } else {
+                    qElem = this.createElementNS("", "QUERY");
+                }
+                getElem.appendChild(qElem);
+                
+                if (typeof fquery.accuracy == "number") {
+                    qElem.setAttribute("accuracy", fquery.accuracy);
+                }
+                //qElem.setAttribute("featurelimit", "5");
+            
+                if (fquery.featurecoordsys != null) {
+                    var fcsElem1 = this.createElementNS("", "FEATURECOORDSYS");
+              
+                    if (fquery.featurecoordsys.id == 0) {
+                        fcsElem1.setAttribute("string", fquery.featurecoordsys.string);
+                    } else {
+                        fcsElem1.setAttribute("id", fquery.featurecoordsys.id);
+                    }
+                    qElem.appendChild(fcsElem1);
+                }
+            
+                if (fquery.filtercoordsys != null) {
+                    var fcsElem2 = this.createElementNS("", "FILTERCOORDSYS");
+              
+                    if (fquery.filtercoordsys.id === 0) {
+                        fcsElem2.setAttribute("string", fquery.filtercoordsys.string);
+                    } else {
+                        fcsElem2.setAttribute("id", fquery.filtercoordsys.id);
+                    }
+                    qElem.appendChild(fcsElem2);
+                }
+            
+                if (fquery.buffer > 0) {   
+                    var bufElem = this.createElementNS("", "BUFFER");
+                    bufElem.setAttribute("distance", fquery.buffer);
+                    qElem.appendChild(bufElem);
+                }
+            
+                if (fquery.isspatial) {
+                    var spfElem = this.createElementNS("", "SPATIALFILTER");
+                    spfElem.setAttribute("relation", fquery.spatialfilter.relation);
+                    qElem.appendChild(spfElem);
+              
+                    if (fquery.spatialfilter.envelope) {
+                        var envElem = this.createElementNS("", "ENVELOPE"); 
+                        envElem.setAttribute("minx", fquery.spatialfilter.envelope.minx);
+                        envElem.setAttribute("miny", fquery.spatialfilter.envelope.miny);
+                        envElem.setAttribute("maxx", fquery.spatialfilter.envelope.maxx);
+                        envElem.setAttribute("maxy", fquery.spatialfilter.envelope.maxy);
+                        spfElem.appendChild(envElem);
+                    } else if(typeof fquery.spatialfilter.polygon == "object") {
+                        spfElem.appendChild(this.writePolygonGeometry(fquery.spatialfilter.polygon));                
+                    }
+                }
+            
+                if (fquery.where != null && fquery.where.length > 0) {
+                    qElem.setAttribute("where", fquery.where);
+                }
+            }
+        }
+
+        root.appendChild(reqElem);
+
+        return OpenLayers.Format.XML.prototype.write.apply(this, [root]);
+    },
+    
+    
+    addGroupRenderer: function(ldef, toprenderer) {
+        var topRelem = this.createElementNS("", "GROUPRENDERER");
+        ldef.appendChild(topRelem);
+      
+        for (var rind = 0; rind < toprenderer.length; rind++) {
+            var renderer = toprenderer[rind];
+            this.addRenderer(topRelem, renderer);
+        }
+    },
+    
+    
+    addRenderer: function(topRelem, renderer) {
+        if (renderer instanceof Array) {
+            this.addGroupRenderer(topRelem, renderer);
+        } else {
+            var renderElem = this.createElementNS("", renderer.type.toUpperCase() + "RENDERER");
+            topRelem.appendChild(renderElem);
+          
+            if (renderElem.tagName == "VALUEMAPRENDERER") {
+                this.addValueMapRenderer(renderElem, renderer);
+            } else if (renderElem.tagName == "VALUEMAPLABELRENDERER") {
+                this.addValueMapLabelRenderer(renderElem, renderer);
+            } else if (renderElem.tagName == "SIMPLELABELRENDERER") {
+                this.addSimpleLabelRenderer(renderElem, renderer);
+            } else if (renderElem.tagName == "SCALEDEPENDENTRENDERER") {
+                this.addScaleDependentRenderer(renderElem, renderer);
+            }
+        }             
+    },
+    
+    
+    addScaleDependentRenderer: function(renderElem, renderer) {
+        if (typeof renderer.lower == "string" || typeof renderer.lower == "number") {
+            renderElem.setAttribute("lower", renderer.lower);
+        }
+        if (typeof renderer.upper == "string" || typeof renderer.upper == "number") {
+            renderElem.setAttribute("upper", renderer.upper);
+        }
+        
+        this.addRenderer(renderElem, renderer.renderer);
+    },
+    
+    
+    addValueMapLabelRenderer: function(renderElem, renderer) {
+        renderElem.setAttribute("lookupfield", renderer.lookupfield);
+        renderElem.setAttribute("labelfield", renderer.labelfield);
+      
+        if (typeof renderer.exacts == "object") {
+            for (var ext=0, extlen=renderer.exacts.length; ext<extlen; ext++) {
+                var exact = renderer.exacts[ext];
+          
+                var eelem = this.createElementNS("", "EXACT");
+          
+                if (typeof exact.value == "string") {
+                    eelem.setAttribute("value", exact.value);
+                }
+                if (typeof exact.label == "string") {
+                    eelem.setAttribute("label", exact.label);
+                }
+                if (typeof exact.method == "string") {
+                    eelem.setAttribute("method", exact.method);
+                }
+
+                renderElem.appendChild(eelem);
+            
+                if (typeof exact.symbol == "object") {
+                    var selem = null;
+                
+                    if (exact.symbol.type == "text") {
+                        selem = this.createElementNS("", "TEXTSYMBOL");
+                    }
+                
+                    if (selem != null) {
+                        var keys = this.fontStyleKeys;
+                        for (var i = 0, len = keys.length; i < len; i++) {
+                            var key = keys[i];
+                            if (exact.symbol[key]) {
+                                selem.setAttribute(key, exact.symbol[key]);
+                            }
+                        }    
+                        eelem.appendChild(selem);
+                    }
+                }
+            } // for each exact
+        }      
+    },
+    
+    addValueMapRenderer: function(renderElem, renderer) {
+        renderElem.setAttribute("lookupfield", renderer.lookupfield);
+        
+        if (typeof renderer.ranges == "object") {
+            for(var rng=0, rnglen=renderer.ranges.length; rng<rnglen; rng++) {
+                var range = renderer.ranges[rng];
+                
+                var relem = this.createElementNS("", "RANGE");
+                relem.setAttribute("lower", range.lower);
+                relem.setAttribute("upper", range.upper);
+                
+                renderElem.appendChild(relem);
+                
+                if (typeof range.symbol == "object") {
+                    var selem = null;
+              
+                    if (range.symbol.type == "simplepolygon") {
+                        selem = this.createElementNS("", "SIMPLEPOLYGONSYMBOL");
+                    }
+              
+                    if (selem != null) {
+                        if (typeof range.symbol.boundarycolor == "string") {
+                            selem.setAttribute("boundarycolor", range.symbol.boundarycolor);
+                        }
+                        if (typeof range.symbol.fillcolor == "string") {
+                            selem.setAttribute("fillcolor", range.symbol.fillcolor);
+                        }
+                        if (typeof range.symbol.filltransparency == "number") {
+                            selem.setAttribute("filltransparency", range.symbol.filltransparency);
+                        }
+                        relem.appendChild(selem);
+                    }   
+                }
+            } // for each range
+        } else if (typeof renderer.exacts == "object") {
+            for (var ext=0, extlen=renderer.exacts.length; ext<extlen; ext++) {
+                var exact = renderer.exacts[ext];
+          
+                var eelem = this.createElementNS("", "EXACT");
+                if (typeof exact.value == "string") {
+                    eelem.setAttribute("value", exact.value);
+                }
+                if (typeof exact.label == "string") {
+                    eelem.setAttribute("label", exact.label);
+                }
+                if (typeof exact.method == "string") {
+                    eelem.setAttribute("method", exact.method);
+                }
+            
+                renderElem.appendChild(eelem);
+            
+                if (typeof exact.symbol == "object") {
+                    var selem = null;
+            
+                    if (exact.symbol.type == "simplemarker") {
+                        selem = this.createElementNS("", "SIMPLEMARKERSYMBOL");
+                    }
+            
+                    if (selem != null) {
+                        if (typeof exact.symbol.antialiasing == "string") {
+                            selem.setAttribute("antialiasing", exact.symbol.antialiasing);
+                        }
+                        if (typeof exact.symbol.color == "string") {
+                            selem.setAttribute("color", exact.symbol.color);
+                        }
+                        if (typeof exact.symbol.outline == "string") {
+                            selem.setAttribute("outline", exact.symbol.outline);
+                        }
+                        if (typeof exact.symbol.overlap == "string") {
+                            selem.setAttribute("overlap", exact.symbol.overlap);
+                        }
+                        if (typeof exact.symbol.shadow == "string") {
+                            selem.setAttribute("shadow", exact.symbol.shadow);
+                        }
+                        if (typeof exact.symbol.transparency == "number") {
+                            selem.setAttribute("transparency", exact.symbol.transparency);
+                        }
+                        //if (typeof exact.symbol.type == "string")
+                        //    selem.setAttribute("type", exact.symbol.type);
+                        if (typeof exact.symbol.usecentroid == "string") {
+                            selem.setAttribute("usecentroid", exact.symbol.usecentroid);
+                        }
+                        if (typeof exact.symbol.width == "number") {
+                            selem.setAttribute("width", exact.symbol.width);
+                        }
+                
+                        eelem.appendChild(selem);
+                    }
+                }
+            } // for each exact
+        }
+    },
+    
+    
+    addSimpleLabelRenderer: function(renderElem, renderer) {
+        renderElem.setAttribute("field", renderer.field);
+        var keys = ['featureweight', 'howmanylabels', 'labelbufferratio', 
+                    'labelpriorities', 'labelweight', 'linelabelposition',
+                    'rotationalangles'];
+        for (var i=0, len=keys.length; i<len; i++) {
+            var key = keys[i];
+            if (renderer[key]) {
+                renderElem.setAttribute(key, renderer[key]);
+            }
+        }     
+           
+        if (renderer.symbol.type == "text") {
+            var symbol = renderer.symbol;
+            var selem = this.createElementNS("", "TEXTSYMBOL");
+            renderElem.appendChild(selem);
+          
+            var keys = this.fontStyleKeys;
+            for (var i=0, len=keys.length; i<len; i++) {
+                var key = keys[i];
+                if (symbol[key]) {
+                    selem.setAttribute(key, renderer[key]);
+                }
+            }    
+        }    
+    },
+    
+    writePolygonGeometry: function(polygon) {
+        if (!(polygon instanceof OpenLayers.Geometry.Polygon)) {
+            throw { 
+                message:'Cannot write polygon geometry to ArcXML with an ' +
+                    polygon.CLASS_NAME + ' object.',
+                geometry: polygon
+            };
+        }
+        
+        var polyElem = this.createElementNS("", "POLYGON");
+      
+        for (var ln=0, lnlen=polygon.components.length; ln<lnlen; ln++) {
+            var ring = polygon.components[ln];
+            var ringElem = this.createElementNS("", "RING");
+        
+            for (var rn=0, rnlen=ring.components.length; rn<rnlen; rn++) {
+                var point = ring.components[rn];
+                var pointElem = this.createElementNS("", "POINT");
+            
+                pointElem.setAttribute("x", point.x);
+                pointElem.setAttribute("y", point.y);
+            
+                ringElem.appendChild(pointElem);
+            }
+        
+            polyElem.appendChild(ringElem);
+        }
+      
+        return polyElem;
+    },
+    
+    /**
+     * Method: parseResponse
+     * Take an ArcXML response, and parse in into this object's internal properties.
+     *
+     * Parameters:
+     * data - {String} or {DOMElement} The ArcXML response, as either a string or the
+     * top level DOMElement of the response.
+     */
+    parseResponse: function(data) {
+        if(typeof data == "string") { 
+            var newData = new OpenLayers.Format.XML();
+            data = newData.read(data);
+        }
+        var response = new OpenLayers.Format.ArcXML.Response();
+        
+        var errorNode = data.getElementsByTagName("ERROR");
+        
+        if (errorNode != null && errorNode.length > 0) {
+            response.error = this.getChildValue(errorNode, "Unknown error.");
+        } else {
+            var responseNode = data.getElementsByTagName("RESPONSE");
+          
+            if (responseNode == null || responseNode.length == 0) {
+                response.error = "No RESPONSE tag found in ArcXML response.";
+                return response;
+            }
+          
+            var rtype = responseNode[0].firstChild.nodeName;
+            if (rtype == "#text") {
+                rtype = responseNode[0].firstChild.nextSibling.nodeName;
+            }
+          
+            if (rtype == "IMAGE") {
+                var envelopeNode = data.getElementsByTagName("ENVELOPE");
+                var outputNode = data.getElementsByTagName("OUTPUT");
+                
+                if (envelopeNode == null || envelopeNode.length == 0) {
+                    response.error = "No ENVELOPE tag found in ArcXML response.";
+                } else if (outputNode == null || outputNode.length == 0) {
+                    response.error = "No OUTPUT tag found in ArcXML response.";
+                } else {
+                    var envAttr = this.parseAttributes(envelopeNode[0]);            
+                    var outputAttr = this.parseAttributes(outputNode[0]);
+                  
+                    if (typeof outputAttr.type == "string") {
+                        response.image = { 
+                            envelope: envAttr, 
+                            output: { 
+                                type: outputAttr.type, 
+                                data: this.getChildValue(outputNode[0])
+                            }
+                        };
+                    } else {
+                        response.image = { envelope: envAttr, output: outputAttr };
+                    }
+                }
+            } else if (rtype == "FEATURES") {
+                var features = responseNode[0].getElementsByTagName("FEATURES");
+            
+                // get the feature count
+                var featureCount = features[0].getElementsByTagName("FEATURECOUNT");
+                response.features.featurecount = featureCount[0].getAttribute("count");
+            
+                if (response.features.featurecount > 0) {
+                    // get the feature envelope
+                    var envelope = features[0].getElementsByTagName("ENVELOPE");
+                    response.features.envelope = this.parseAttributes(envelope[0], typeof(0));
+
+                    // get the field values per feature
+                    var featureList = features[0].getElementsByTagName("FEATURE");
+                    for (var fn = 0; fn < featureList.length; fn++) {
+                        var feature = new OpenLayers.Feature.Vector();
+                        var fields = featureList[fn].getElementsByTagName("FIELD");
+
+                        for (var fdn = 0; fdn < fields.length; fdn++) {
+                            var fieldName = fields[fdn].getAttribute("name");
+                            var fieldValue = fields[fdn].getAttribute("value");
+                            feature.attributes[ fieldName ] = fieldValue;
+                        }
+
+                        var geom = featureList[fn].getElementsByTagName("POLYGON");
+
+                        if (geom.length > 0) {
+                            // if there is a polygon, create an openlayers polygon, and assign
+                            // it to the .geometry property of the feature
+                            var ring = geom[0].getElementsByTagName("RING");
+
+                            var polys = [];
+                            for (var rn = 0; rn < ring.length; rn++) {
+                                var linearRings = [];
+                                linearRings.push(this.parsePointGeometry(ring[rn]));
+
+                                var holes = ring[rn].getElementsByTagName("HOLE");
+                                for (var hn = 0; hn < holes.length; hn++) {
+                                    linearRings.push(this.parsePointGeometry(holes[hn]));
+                                }
+                                holes = null;
+                                polys.push(new OpenLayers.Geometry.Polygon(linearRings));
+                                linearRings = null;
+                            }
+                            ring = null;
+                          
+                            if (polys.length == 1) {
+                                feature.geometry = polys[0];
+                            } else
+                            {
+                                feature.geometry = new OpenLayers.Geometry.MultiPolygon(polys);
+                            }
+                        }
+
+                        response.features.feature.push(feature);
+                    }
+                }
+            } else {
+                response.error = "Unidentified response type.";
+            }
+        }
+        return response;
+    },
+    
+    
+    /**
+     * Method: parseAttributes
+     *
+     * Parameters:
+     * node - {<DOMElement>} An element to parse attributes from.
+     *
+     * Returns:
+     * {Object} An attributes object, with properties set to attribute values.
+     */
+    parseAttributes: function(node,type) {
+        var attributes = {};
+        for(var attr = 0; attr < node.attributes.length; attr++) {
+            if (type == "number") {
+                attributes[node.attributes[attr].nodeName] = parseFloat(node.attributes[attr].nodeValue);
+            } else {
+                attributes[node.attributes[attr].nodeName] = node.attributes[attr].nodeValue;
+            }
+        }
+        return attributes;
+    },
+    
+    
+    /**
+     * Method: parsePointGeometry
+     *
+     * Parameters:
+     * node - {<DOMElement>} An element to parse <COORDS> or <POINT> arcxml data from.
+     *
+     * Returns:
+     * {OpenLayers.Geometry.LinearRing} A linear ring represented by the node's points.
+     */
+    parsePointGeometry: function(node) {
+        var ringPoints = [];
+        var coords = node.getElementsByTagName("COORDS");
+
+        if (coords.length > 0) {
+            // if coords is present, it's the only coords item
+            var coordArr = this.getChildValue(coords[0]);
+            coordArr = coordArr.split(/;/);
+            for (var cn = 0; cn < coordArr.length; cn++) {
+                var coordItems = coordArr[cn].split(/ /);
+                ringPoints.push(new OpenLayers.Geometry.Point(parseFloat(coordItems[0]), parseFloat(coordItems[1])));
+            }
+            coords = null;
+        } else {
+            var point = node.getElementsByTagName("POINT");
+            if (point.length > 0) {
+                for (var pn = 0; pn < point.length; pn++) {
+                    ringPoints.push(
+                        new OpenLayers.Geometry.Point(
+                            parseFloat(point[pn].getAttribute("x")),
+                            parseFloat(point[pn].getAttribute("y"))
+                        )
+                    );
+                }
+            }
+            point = null;
+        }
+
+        return new OpenLayers.Geometry.LinearRing(ringPoints);      
+    },
+    
+    CLASS_NAME: "OpenLayers.Format.ArcXML" 
+});
+
+OpenLayers.Format.ArcXML.Request = OpenLayers.Class({
+    initialize: function(params) {
+        var defaults = {
+            get_image: {
+                properties: {
+                    background: null,
+                    /*{ 
+                        color: { r:255, g:255, b:255 },
+                        transcolor: null
+                    },*/
+                    draw: true,
+                    envelope: {
+                        minx: 0, 
+                        miny: 0, 
+                        maxx: 0, 
+                        maxy: 0
+                    },
+                    featurecoordsys: { 
+                        id:0, 
+                        string:"",
+                        datumtransformid:0,
+                        datumtransformstring:""
+                    },
+                    filtercoordsys:{
+                        id:0,
+                        string:"",
+                        datumtransformid:0,
+                        datumtransformstring:""
+                    },
+                    imagesize:{
+                        height:0,
+                        width:0,
+                        dpi:96,
+                        printheight:0,
+                        printwidth:0,
+                        scalesymbols:false
+                    },
+                    layerlist:[],
+                    /* no support for legends */
+                    output:{
+                        baseurl:"",
+                        legendbaseurl:"",
+                        legendname:"",
+                        legendpath:"",
+                        legendurl:"",
+                        name:"",
+                        path:"",
+                        type:"jpg",
+                        url:""
+                    }
+                }
+            },
+
+            get_feature: {
+                layer: "",
+                query: {
+                    isspatial: false,
+                    featurecoordsys: {
+                        id:0,
+                        string:"",
+                        datumtransformid:0,
+                        datumtransformstring:""
+                    },
+                    filtercoordsys: {
+                        id:0,
+                        string:"",
+                        datumtransformid:0,
+                        datumtransformstring:""
+                    },
+                    buffer:0,
+                    where:"",
+                    spatialfilter: {
+                        relation: "envelope_intersection",
+                        envelope: null
+                    }
+                }
+            },
+      
+            environment: {
+                separators: {
+                    cs:" ",
+                    ts:";"
+                }
+            },
+      
+            layer: [],
+            workspaces: []
+        };
+      
+        return OpenLayers.Util.extend(this, defaults);      
+    },
+  
+    CLASS_NAME: "OpenLayers.Format.ArcXML.Request"
+});
+
+OpenLayers.Format.ArcXML.Response = OpenLayers.Class({  
+    initialize: function(params) {
+        var defaults = {
+            image: {
+                envelope:null,
+                output:''
+            },
+      
+            features: {
+                featurecount: 0,
+                envelope: null,
+                feature: []
+            },
+      
+            error:''
+        };
+  
+        return OpenLayers.Util.extend(this, defaults);
+    },
+  
+    CLASS_NAME: "OpenLayers.Format.ArcXML.Response"
+});
+