/*
OpenLayers.js -- OpenLayers Map Viewer Library
Copyright 2005-2008 MetaCarta, Inc., released under the Clear BSD license.
Please see http://svn.openlayers.org/trunk/openlayers/license.txt
for the full text of the license.
Includes compressed code under the following licenses:
(For uncompressed versions of the code used please see the
OpenLayers SVN repository: )
*/
/* Contains portions of Prototype.js:c
*
* Prototype JavaScript framework, version 1.4.0
* (c) 2005 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://prototype.conio.net/
*
*--------------------------------------------------------------------------*/
/**
*
* Contains portions of Rico
*
* Copyright 2005 Sabre Airline Solutions
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
**/
/**
* Contains XMLHttpRequest.js
* Copyright 2007 Sergey Ilinsky (http://www.ilinsky.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*/
/**
* Contains portions of Gears
*
* Copyright 2007, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Google Inc. nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Sets up google.gears.*, which is *the only* supported way to access Gears.
*
* Circumvent this file at your own risk!
*
* In the future, Gears may automatically define google.gears.* without this
* file. Gears may use these objects to transparently fix bugs and compatibility
* issues. Applications that use the code below will continue to work seamlessly
* when that happens.
*/
var OpenLayers={singleFile:true};(function(){var singleFile=(typeof OpenLayers=="object"&&OpenLayers.singleFile);window.OpenLayers={_scriptName:(!singleFile)?"lib/OpenLayers.js":"OpenLayers.js",_getScriptLocation:function(){var scriptLocation="";var scriptName=OpenLayers._scriptName;var scripts=document.getElementsByTagName('script');for(var i=0,len=scripts.length;i-1)&&(index+scriptName.length==pathLength)){scriptLocation=src.slice(0,pathLength-scriptName.length);break;}}}
return scriptLocation;}};if(!singleFile){var jsfiles=new Array("OpenLayers/Util.js","OpenLayers/BaseTypes.js","OpenLayers/BaseTypes/Class.js","OpenLayers/BaseTypes/Bounds.js","OpenLayers/BaseTypes/Element.js","OpenLayers/BaseTypes/LonLat.js","OpenLayers/BaseTypes/Pixel.js","OpenLayers/BaseTypes/Size.js","OpenLayers/Console.js","OpenLayers/Tween.js","Rico/Corner.js","Rico/Color.js","Gears/gears_init.js","OpenLayers/Ajax.js","OpenLayers/Request.js","OpenLayers/Request/XMLHttpRequest.js","OpenLayers/Events.js","OpenLayers/Projection.js","OpenLayers/Map.js","OpenLayers/Layer.js","OpenLayers/Icon.js","OpenLayers/Marker.js","OpenLayers/Marker/Box.js","OpenLayers/Popup.js","OpenLayers/Tile.js","OpenLayers/Tile/Image.js","OpenLayers/Tile/WFS.js","OpenLayers/Layer/Image.js","OpenLayers/Layer/SphericalMercator.js","OpenLayers/Layer/EventPane.js","OpenLayers/Layer/FixedZoomLevels.js","OpenLayers/Layer/Google.js","OpenLayers/Layer/VirtualEarth.js","OpenLayers/Layer/Yahoo.js","OpenLayers/Layer/HTTPRequest.js","OpenLayers/Layer/Grid.js","OpenLayers/Layer/MapGuide.js","OpenLayers/Layer/MapServer.js","OpenLayers/Layer/MapServer/Untiled.js","OpenLayers/Layer/KaMap.js","OpenLayers/Layer/KaMapCache.js","OpenLayers/Layer/MultiMap.js","OpenLayers/Layer/Markers.js","OpenLayers/Layer/Text.js","OpenLayers/Layer/WorldWind.js","OpenLayers/Layer/WMS.js","OpenLayers/Layer/WMS/Untiled.js","OpenLayers/Layer/GeoRSS.js","OpenLayers/Layer/Boxes.js","OpenLayers/Layer/TMS.js","OpenLayers/Layer/TileCache.js","OpenLayers/Popup/Anchored.js","OpenLayers/Popup/AnchoredBubble.js","OpenLayers/Popup/Framed.js","OpenLayers/Popup/FramedCloud.js","OpenLayers/Feature.js","OpenLayers/Feature/Vector.js","OpenLayers/Feature/WFS.js","OpenLayers/Handler.js","OpenLayers/Handler/Click.js","OpenLayers/Handler/Hover.js","OpenLayers/Handler/Point.js","OpenLayers/Handler/Path.js","OpenLayers/Handler/Polygon.js","OpenLayers/Handler/Feature.js","OpenLayers/Handler/Drag.js","OpenLayers/Handler/RegularPolygon.js","OpenLayers/Handler/Box.js","OpenLayers/Handler/MouseWheel.js","OpenLayers/Handler/Keyboard.js","OpenLayers/Control.js","OpenLayers/Control/Attribution.js","OpenLayers/Control/Button.js","OpenLayers/Control/ZoomBox.js","OpenLayers/Control/ZoomToMaxExtent.js","OpenLayers/Control/DragPan.js","OpenLayers/Control/Navigation.js","OpenLayers/Control/MouseDefaults.js","OpenLayers/Control/MousePosition.js","OpenLayers/Control/OverviewMap.js","OpenLayers/Control/KeyboardDefaults.js","OpenLayers/Control/PanZoom.js","OpenLayers/Control/PanZoomBar.js","OpenLayers/Control/ArgParser.js","OpenLayers/Control/Permalink.js","OpenLayers/Control/Scale.js","OpenLayers/Control/ScaleLine.js","OpenLayers/Control/LayerSwitcher.js","OpenLayers/Control/DrawFeature.js","OpenLayers/Control/DragFeature.js","OpenLayers/Control/ModifyFeature.js","OpenLayers/Control/Panel.js","OpenLayers/Control/SelectFeature.js","OpenLayers/Control/NavigationHistory.js","OpenLayers/Control/Measure.js","OpenLayers/Geometry.js","OpenLayers/Geometry/Rectangle.js","OpenLayers/Geometry/Collection.js","OpenLayers/Geometry/Point.js","OpenLayers/Geometry/MultiPoint.js","OpenLayers/Geometry/Curve.js","OpenLayers/Geometry/LineString.js","OpenLayers/Geometry/LinearRing.js","OpenLayers/Geometry/Polygon.js","OpenLayers/Geometry/MultiLineString.js","OpenLayers/Geometry/MultiPolygon.js","OpenLayers/Geometry/Surface.js","OpenLayers/Renderer.js","OpenLayers/Renderer/Elements.js","OpenLayers/Renderer/SVG.js","OpenLayers/Renderer/Canvas.js","OpenLayers/Renderer/VML.js","OpenLayers/Layer/Vector.js","OpenLayers/Strategy.js","OpenLayers/Strategy/Fixed.js","OpenLayers/Strategy/Cluster.js","OpenLayers/Strategy/Paging.js","OpenLayers/Strategy/BBOX.js","OpenLayers/Protocol.js","OpenLayers/Protocol/HTTP.js","OpenLayers/Protocol/SQL.js","OpenLayers/Protocol/SQL/Gears.js","OpenLayers/Layer/PointTrack.js","OpenLayers/Layer/GML.js","OpenLayers/Style.js","OpenLayers/StyleMap.js","OpenLayers/Rule.js","OpenLayers/Filter.js","OpenLayers/Filter/FeatureId.js","OpenLayers/Filter/Logical.js","OpenLayers/Filter/Comparison.js","OpenLayers/Filter/Spatial.js","OpenLayers/Format.js","OpenLayers/Format/XML.js","OpenLayers/Format/GML.js","OpenLayers/Format/GML/Base.js","OpenLayers/Format/GML/v2.js","OpenLayers/Format/GML/v3.js","OpenLayers/Format/KML.js","OpenLayers/Format/GeoRSS.js","OpenLayers/Format/WFS.js","OpenLayers/Format/WKT.js","OpenLayers/Format/OSM.js","OpenLayers/Format/GPX.js","OpenLayers/Format/SLD.js","OpenLayers/Format/SLD/v1.js","OpenLayers/Format/SLD/v1_0_0.js","OpenLayers/Format/SLD/v1.js","OpenLayers/Format/Filter.js","OpenLayers/Format/Filter/v1.js","OpenLayers/Format/Filter/v1_0_0.js","OpenLayers/Format/Text.js","OpenLayers/Format/JSON.js","OpenLayers/Format/GeoJSON.js","OpenLayers/Format/WMC.js","OpenLayers/Format/WMC/v1.js","OpenLayers/Format/WMC/v1_0_0.js","OpenLayers/Format/WMC/v1_1_0.js","OpenLayers/Layer/WFS.js","OpenLayers/Control/MouseToolbar.js","OpenLayers/Control/NavToolbar.js","OpenLayers/Control/PanPanel.js","OpenLayers/Control/Pan.js","OpenLayers/Control/ZoomIn.js","OpenLayers/Control/ZoomOut.js","OpenLayers/Control/ZoomPanel.js","OpenLayers/Control/EditingToolbar.js","OpenLayers/Lang.js","OpenLayers/Lang/en.js");var agent=navigator.userAgent;var docWrite=(agent.match("MSIE")||agent.match("Safari"));if(docWrite){var allScriptTags=new Array(jsfiles.length);}
var host=OpenLayers._getScriptLocation()+"lib/";for(var i=0,len=jsfiles.length;i";}else{var s=document.createElement("script");s.src=host+jsfiles[i];var h=document.getElementsByTagName("head").length?document.getElementsByTagName("head")[0]:document.body;h.appendChild(s);}}
if(docWrite){document.write(allScriptTags.join(""));}}})();OpenLayers.VERSION_NUMBER="$Revision: 8012 $";OpenLayers.String={startsWith:function(str,sub){return(str.indexOf(sub)==0);},contains:function(str,sub){return(str.indexOf(sub)!=-1);},trim:function(str){return str.replace(/^\s*(.*?)\s*$/,"$1");},camelize:function(str){var oStringList=str.split('-');var camelizedString=oStringList[0];for(var i=1,len=oStringList.length;i0){replacement=context[item.substring(0,last)];if(typeof replacement=="function"){replacement=args?replacement.apply(null,args):replacement();}
tokens[i]=replacement+item.substring(++last);}else{tokens[i]="${"+item;}}
return tokens.join("");},numberRegEx:/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/,isNumeric:function(value){return OpenLayers.String.numberRegEx.test(value);}};if(!String.prototype.startsWith){String.prototype.startsWith=function(sStart){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.String.startsWith'}));return OpenLayers.String.startsWith(this,sStart);};}
if(!String.prototype.contains){String.prototype.contains=function(str){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.String.contains'}));return OpenLayers.String.contains(this,str);};}
if(!String.prototype.trim){String.prototype.trim=function(){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.String.trim'}));return OpenLayers.String.trim(this);};}
if(!String.prototype.camelize){String.prototype.camelize=function(){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.String.camelize'}));return OpenLayers.String.camelize(this);};}
OpenLayers.Number={decimalSeparator:".",thousandsSeparator:",",limitSigDigs:function(num,sig){var fig=0;if(sig>0){fig=parseFloat(num.toPrecision(sig));}
return fig;},format:function(num,dec,tsep,dsep){dec=(typeof dec!="undefined")?dec:0;tsep=(typeof tsep!="undefined")?tsep:OpenLayers.Number.thousandsSeparator;dsep=(typeof dsep!="undefined")?dsep:OpenLayers.Number.decimalSeparator;if(dec!=null){num=parseFloat(num.toFixed(dec));}
var parts=num.toString().split(".");if(parts.length==1&&dec==null){dec=0;}
var integer=parts[0];if(tsep){var thousands=/(-?[0-9]+)([0-9]{3})/;while(thousands.test(integer)){integer=integer.replace(thousands,"$1"+tsep+"$2");}}
var str;if(dec==0){str=integer;}else{var rem=parts.length>1?parts[1]:"0";if(dec!=null){rem=rem+new Array(dec-rem.length+1).join("0");}
str=integer+dsep+rem;}
return str;}};if(!Number.prototype.limitSigDigs){Number.prototype.limitSigDigs=function(sig){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.Number.limitSigDigs'}));return OpenLayers.Number.limitSigDigs(this,sig);};}
OpenLayers.Function={bind:function(func,object){var args=Array.prototype.slice.apply(arguments,[2]);return function(){var newArgs=args.concat(Array.prototype.slice.apply(arguments,[0]));return func.apply(object,newArgs);};},bindAsEventListener:function(func,object){return function(event){return func.call(object,event||window.event);};}};if(!Function.prototype.bind){Function.prototype.bind=function(){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.Function.bind'}));Array.prototype.unshift.apply(arguments,[this]);return OpenLayers.Function.bind.apply(null,arguments);};}
if(!Function.prototype.bindAsEventListener){Function.prototype.bindAsEventListener=function(object){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'OpenLayers.Function.bindAsEventListener'}));return OpenLayers.Function.bindAsEventListener(this,object);};}
OpenLayers.Array={filter:function(array,callback,caller){var selected=[];if(Array.prototype.filter){selected=array.filter(callback,caller);}else{var len=array.length;if(typeof callback!="function"){throw new TypeError();}
for(var i=0;i=0;i--){if(array[i]==item){array.splice(i,1);}}
return array;};OpenLayers.Util.clearArray=function(array){OpenLayers.Console.warn(OpenLayers.i18n("methodDeprecated",{'newMethod':'array = []'}));array.length=0;};OpenLayers.Util.indexOf=function(array,obj){for(var i=0,len=array.length;i=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='';}};OpenLayers.Util.createDiv=function(id,px,sz,imgURL,position,border,overflow,opacity){var dom=document.createElement('div');if(imgURL){dom.style.backgroundImage='url('+imgURL+')';}
if(!id){id=OpenLayers.Util.createUniqueID("OpenLayersDiv");}
if(!position){position="absolute";}
OpenLayers.Util.modifyDOMElement(dom,id,px,sz,position,border,overflow,opacity);return dom;};OpenLayers.Util.createImage=function(id,px,sz,imgURL,position,border,opacity,delayDisplay){var image=document.createElement("img");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));}
image.style.alt=id;image.galleryImg="no";if(imgURL){image.src=imgURL;}
return image;};OpenLayers.Util.setOpacity=function(element,opacity){OpenLayers.Util.modifyDOMElement(element,null,null,null,null,null,null,opacity);};OpenLayers.Util.onImageLoad=function(){if(!this.viewRequestID||(this.map&&this.viewRequestID==this.map.viewRequestID)){this.style.backgroundColor=null;this.style.display="";}};OpenLayers.Util.onImageLoadErrorColor="pink";OpenLayers.IMAGE_RELOAD_ATTEMPTS=0;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{this.style.backgroundColor=OpenLayers.Util.onImageLoadErrorColor;}
this.style.display="";};OpenLayers.Util.alphaHack=function(){var arVersion=navigator.appVersion.split("MSIE");var version=parseFloat(arVersion[1]);var filter=false;try{filter=!!(document.body.filters);}catch(e){}
return(filter&&(version>=5.5)&&(version<7));};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)";}};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;};OpenLayers.Util.upperCaseObject=function(object){var uObject={};for(var key in object){uObject[key.toUpperCase()]=object[key];}
return uObject;};OpenLayers.Util.applyDefaults=function(to,from){to=to||{};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];}}
if(!fromIsEvt&&from&&from.hasOwnProperty&&from.hasOwnProperty('toString')&&!to.hasOwnProperty('toString')){to.toString=from.toString;}
return to;};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){var encodedItemArray=[];for(var itemIndex=0,len=value.length;itemIndex0))
{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"";}};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;};OpenLayers.Util.mouseLeft=function(evt,div){var target=(evt.relatedTarget)?evt.relatedTarget:evt.toElement;while(target!=div&&target!=null){target=target.parentNode;}
return(target!=div);};OpenLayers.Util.rad=function(x){return x*Math.PI/180;};OpenLayers.Util.distVincenty=function(p1,p2){var a=6378137,b=6356752.3142,f=1/298.257223563;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;}
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;}
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;return d;};OpenLayers.Util.getParameters=function(url){url=url||window.location.href;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;i1.0)?(1.0/scale):scale;return normScale;};OpenLayers.Util.getResolutionFromScale=function(scale,units){if(units==null){units="degrees";}
var normScale=OpenLayers.Util.normalizeScale(scale);var resolution=1/(normScale*OpenLayers.INCHES_PER_UNIT[units]*OpenLayers.DOTS_PER_INCH);return resolution;};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;};OpenLayers.Util.safeStopPropagation=function(evt){OpenLayers.Event.stop(evt,true);};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{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];};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);for(var key in urlObj1){if(options.test){OpenLayers.Console.userError(key+"\n1:"+urlObj1[key]+"\n2:"+urlObj2[key]);}
var val1=urlObj1[key];var val2=urlObj2[key];switch(key){case"args":break;case"host":case"port":case"protocol":if((val1=="")||(val2=="")){break;}
default:if((key!="args")&&(urlObj1[key]!=urlObj2[key])){return false;}
break;}}
for(var key in urlObj1.args){if(urlObj1.args[key]!=urlObj2.args[key]){return false;}
delete urlObj2.args[key];}
for(var key in urlObj2.args){return false;}
return true;};OpenLayers.Util.createUrlObject=function(url,options){options=options||{};var urlObject={};if(options.ignoreCase){url=url.toLowerCase();}
var a=document.createElement('a');a.href=url;urlObject.host=a.host;var port=a.port;if(port.length<=0){var newHostLength=urlObject.host.length-(port.length);urlObject.host=urlObject.host.substring(0,newHostLength);}
urlObject.protocol=a.protocol;urlObject.port=((port=="80")&&(options.ignorePort80))?"":port;urlObject.hash=(options.ignoreHash)?"":a.hash;var queryString=a.search;if(!queryString){var qMark=url.indexOf("?");queryString=(qMark!=-1)?url.substr(qMark):"";}
urlObject.args=OpenLayers.Util.getParameters(queryString);if(((urlObject.protocol=="file:")&&(url.indexOf("file:")!=-1))||((urlObject.protocol!="file:")&&(urlObject.host!=""))){urlObject.pathname=a.pathname;var qIndex=urlObject.pathname.indexOf("?");if(qIndex!=-1){urlObject.pathname=urlObject.pathname.substring(0,qIndex);}}else{var relStr=OpenLayers.Util.removeTail(url);var backs=0;do{var index=relStr.indexOf("../");if(index==0){backs++;relStr=relStr.substr(3);}else if(index>=0){var prevChunk=relStr.substr(0,index-1);var slash=prevChunk.indexOf("/");prevChunk=(slash!=-1)?prevChunk.substr(0,slash+1):"";var postChunk=relStr.substr(index+3);relStr=prevChunk+postChunk;}}while(index!=-1)
var windowAnchor=document.createElement("a");var windowUrl=window.location.href;if(options.ignoreCase){windowUrl=windowUrl.toLowerCase();}
windowAnchor.href=windowUrl;urlObject.protocol=windowAnchor.protocol;var splitter=(windowAnchor.pathname.indexOf("/")!=-1)?"/":"\\";var dirs=windowAnchor.pathname.split(splitter);dirs.pop();while((backs>0)&&(dirs.length>0)){dirs.pop();backs--;}
relStr=dirs.join("/")+"/"+relStr;urlObject.pathname=relStr;}
if((urlObject.protocol=="file:")||(urlObject.protocol=="")){urlObject.host="localhost";}
return urlObject;};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;};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;};OpenLayers.Util.getRenderedDimensions=function(contentHTML,size,options){var w,h;var container=document.createElement("div");container.style.overflow="";container.style.position="absolute";container.style.left="-9999px";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";}}
if(options&&options.displayClass){container.className=options.displayClass;}
var content=document.createElement("div");content.innerHTML=contentHTML;container.appendChild(content);document.body.appendChild(container);if(!w){w=parseInt(content.scrollWidth);container.style.width=w+"px";}
if(!h){h=parseInt(content.scrollHeight);}
container.removeChild(content);document.body.removeChild(container);return new OpenLayers.Size(w,h);};OpenLayers.Util.getScrollbarWidth=function(){var scrollbarWidth=OpenLayers.Util._scrollbarWidth;if(scrollbarWidth==null){var scr=null;var inn=null;var wNoScroll=0;var wScroll=0;scr=document.createElement('div');scr.style.position='absolute';scr.style.top='-1000px';scr.style.left='-1000px';scr.style.width='100px';scr.style.height='50px';scr.style.overflow='hidden';inn=document.createElement('div');inn.style.width='100%';inn.style.height='200px';scr.appendChild(inn);document.body.appendChild(scr);wNoScroll=inn.offsetWidth;scr.style.overflow='scroll';wScroll=inn.offsetWidth;document.body.removeChild(document.body.lastChild);OpenLayers.Util._scrollbarWidth=(wNoScroll-wScroll);scrollbarWidth=OpenLayers.Util._scrollbarWidth;}
return scrollbarWidth;};OpenLayers.Rico=new Object();OpenLayers.Rico.Corner={round:function(e,options){e=OpenLayers.Util.getElement(e);this._setOptions(options);var color=this.options.color;if(this.options.color=="fromElement"){color=this._background(e);}
var bgColor=this.options.bgColor;if(this.options.bgColor=="fromParent"){bgColor=this._background(e.offsetParent);}
this._roundCornersImpl(e,color,bgColor);},changeColor:function(theDiv,newColor){theDiv.style.backgroundColor=newColor;var spanElements=theDiv.parentNode.getElementsByTagName("span");for(var currIdx=0;currIdx"+el.innerHTML+"";},_roundTopCorners:function(el,color,bgColor){var corner=this._createCorner(bgColor);for(var i=0;i=0;i--){corner.appendChild(this._createCornerSlice(color,bgColor,i,"bottom"));}
el.style.paddingBottom=0;el.appendChild(corner);},_createCorner:function(bgColor){var corner=document.createElement("div");corner.style.backgroundColor=(this._isTransparent()?"transparent":bgColor);return corner;},_createCornerSlice:function(color,bgColor,n,position){var slice=document.createElement("span");var inStyle=slice.style;inStyle.backgroundColor=color;inStyle.display="block";inStyle.height="1px";inStyle.overflow="hidden";inStyle.fontSize="1px";var borderColor=this._borderColor(color,bgColor);if(this.options.border&&n==0){inStyle.borderTopStyle="solid";inStyle.borderTopWidth="1px";inStyle.borderLeftWidth="0px";inStyle.borderRightWidth="0px";inStyle.borderBottomWidth="0px";inStyle.height="0px";inStyle.borderColor=borderColor;}
else if(borderColor){inStyle.borderColor=borderColor;inStyle.borderStyle="solid";inStyle.borderWidth="0px 1px";}
if(!this.options.compact&&(n==(this.options.numSlices-1))){inStyle.height="2px";}
this._setMargin(slice,n,position);this._setBorder(slice,n,position);return slice;},_setOptions:function(options){this.options={corners:"all",color:"fromElement",bgColor:"fromParent",blend:true,border:false,compact:false};OpenLayers.Util.extend(this.options,options||{});this.options.numSlices=this.options.compact?2:4;if(this._isTransparent()){this.options.blend=false;}},_whichSideTop:function(){if(this._hasString(this.options.corners,"all","top")){return"";}
if(this.options.corners.indexOf("tl")>=0&&this.options.corners.indexOf("tr")>=0){return"";}
if(this.options.corners.indexOf("tl")>=0){return"left";}else if(this.options.corners.indexOf("tr")>=0){return"right";}
return"";},_whichSideBottom:function(){if(this._hasString(this.options.corners,"all","bottom")){return"";}
if(this.options.corners.indexOf("bl")>=0&&this.options.corners.indexOf("br")>=0){return"";}
if(this.options.corners.indexOf("bl")>=0){return"left";}else if(this.options.corners.indexOf("br")>=0){return"right";}
return"";},_borderColor:function(color,bgColor){if(color=="transparent"){return bgColor;}else if(this.options.border){return this.options.border;}else if(this.options.blend){return this._blend(bgColor,color);}else{return"";}},_setMargin:function(el,n,corners){var marginSize=this._marginSize(n);var whichSide=corners=="top"?this._whichSideTop():this._whichSideBottom();if(whichSide=="left"){el.style.marginLeft=marginSize+"px";el.style.marginRight="0px";}
else if(whichSide=="right"){el.style.marginRight=marginSize+"px";el.style.marginLeft="0px";}
else{el.style.marginLeft=marginSize+"px";el.style.marginRight=marginSize+"px";}},_setBorder:function(el,n,corners){var borderSize=this._borderSize(n);var whichSide=corners=="top"?this._whichSideTop():this._whichSideBottom();if(whichSide=="left"){el.style.borderLeftWidth=borderSize+"px";el.style.borderRightWidth="0px";}
else if(whichSide=="right"){el.style.borderRightWidth=borderSize+"px";el.style.borderLeftWidth="0px";}
else{el.style.borderLeftWidth=borderSize+"px";el.style.borderRightWidth=borderSize+"px";}
if(this.options.border!=false){el.style.borderLeftWidth=borderSize+"px";el.style.borderRightWidth=borderSize+"px";}},_marginSize:function(n){if(this._isTransparent()){return 0;}
var marginSizes=[5,3,2,1];var blendedMarginSizes=[3,2,1,0];var compactMarginSizes=[2,1];var smBlendedMarginSizes=[1,0];if(this.options.compact&&this.options.blend){return smBlendedMarginSizes[n];}else if(this.options.compact){return compactMarginSizes[n];}else if(this.options.blend){return blendedMarginSizes[n];}else{return marginSizes[n];}},_borderSize:function(n){var transparentBorderSizes=[5,3,2,1];var blendedBorderSizes=[2,1,1,1];var compactBorderSizes=[1,0];var actualBorderSizes=[0,2,0,0];if(this.options.compact&&(this.options.blend||this._isTransparent())){return 1;}else if(this.options.compact){return compactBorderSizes[n];}else if(this.options.blend){return blendedBorderSizes[n];}else if(this.options.border){return actualBorderSizes[n];}else if(this._isTransparent()){return transparentBorderSizes[n];}
return 0;},_hasString:function(str){for(var i=1;i=0){return true;}return false;},_blend:function(c1,c2){var cc1=OpenLayers.Rico.Color.createFromHex(c1);cc1.blend(OpenLayers.Rico.Color.createFromHex(c2));return cc1;},_background:function(el){try{return OpenLayers.Rico.Color.createColorFromBackground(el).asHex();}catch(err){return"#ffffff";}},_isTransparent:function(){return this.options.color=="transparent";},_isTopRounded:function(){return this._hasString(this.options.corners,"all","top","tl","tr");},_isBottomRounded:function(){return this._hasString(this.options.corners,"all","bottom","bl","br");},_hasSingleTextChild:function(el){return el.childNodes.length==1&&el.childNodes[0].nodeType==3;}};(function(){if(window.google&&google.gears){return;}
var factory=null;if(typeof GearsFactory!='undefined'){factory=new GearsFactory();}else{try{factory=new ActiveXObject('Gears.Factory');if(factory.getBuildInfo().indexOf('ie_mobile')!=-1){factory.privateSetGlobalObject(this);}}catch(e){if((typeof navigator.mimeTypes!='undefined')&&navigator.mimeTypes["application/x-googlegears"]){factory=document.createElement("object");factory.style.display="none";factory.width=0;factory.height=0;factory.type="application/x-googlegears";document.documentElement.appendChild(factory);}}}
if(!factory){return;}
if(!window.google){google={};}
if(!google.gears){google.gears={factory:factory};}})();OpenLayers.Bounds=OpenLayers.Class({left:null,bottom:null,right:null,top:null,initialize:function(left,bottom,right,top){if(left!=null){this.left=parseFloat(left);}
if(bottom!=null){this.bottom=parseFloat(bottom);}
if(right!=null){this.right=parseFloat(right);}
if(top!=null){this.top=parseFloat(top);}},clone:function(){return new OpenLayers.Bounds(this.left,this.bottom,this.right,this.top);},equals:function(bounds){var equals=false;if(bounds!=null){equals=((this.left==bounds.left)&&(this.right==bounds.right)&&(this.top==bounds.top)&&(this.bottom==bounds.bottom));}
return equals;},toString:function(){return("left-bottom=("+this.left+","+this.bottom+")"
+" right-top=("+this.right+","+this.top+")");},toArray:function(){return[this.left,this.bottom,this.right,this.top];},toBBOX:function(decimal){if(decimal==null){decimal=6;}
var mult=Math.pow(10,decimal);var bbox=Math.round(this.left*mult)/mult+","+
Math.round(this.bottom*mult)/mult+","+
Math.round(this.right*mult)/mult+","+
Math.round(this.top*mult)/mult;return bbox;},toGeometry:function(){return new OpenLayers.Geometry.Polygon([new OpenLayers.Geometry.LinearRing([new OpenLayers.Geometry.Point(this.left,this.bottom),new OpenLayers.Geometry.Point(this.right,this.bottom),new OpenLayers.Geometry.Point(this.right,this.top),new OpenLayers.Geometry.Point(this.left,this.top)])]);},getWidth:function(){return(this.right-this.left);},getHeight:function(){return(this.top-this.bottom);},getSize:function(){return new OpenLayers.Size(this.getWidth(),this.getHeight());},getCenterPixel:function(){return new OpenLayers.Pixel((this.left+this.right)/2,(this.bottom+this.top)/2);},getCenterLonLat:function(){return new OpenLayers.LonLat((this.left+this.right)/2,(this.bottom+this.top)/2);},scale:function(ratio,origin){if(origin==null){origin=this.getCenterLonLat();}
var bounds=[];var origx,origy;if(origin.CLASS_NAME=="OpenLayers.LonLat"){origx=origin.lon;origy=origin.lat;}else{origx=origin.x;origy=origin.y;}
var left=(this.left-origx)*ratio+origx;var bottom=(this.bottom-origy)*ratio+origy;var right=(this.right-origx)*ratio+origx;var top=(this.top-origy)*ratio+origy;return new OpenLayers.Bounds(left,bottom,right,top);},add:function(x,y){if((x==null)||(y==null)){var msg=OpenLayers.i18n("boundsAddError");OpenLayers.Console.error(msg);return null;}
return new OpenLayers.Bounds(this.left+x,this.bottom+y,this.right+x,this.top+y);},extend:function(object){var bounds=null;if(object){switch(object.CLASS_NAME){case"OpenLayers.LonLat":bounds=new OpenLayers.Bounds(object.lon,object.lat,object.lon,object.lat);break;case"OpenLayers.Geometry.Point":bounds=new OpenLayers.Bounds(object.x,object.y,object.x,object.y);break;case"OpenLayers.Bounds":bounds=object;break;}
if(bounds){if((this.left==null)||(bounds.leftthis.right)){this.right=bounds.right;}
if((this.top==null)||(bounds.top>this.top)){this.top=bounds.top;}}}},containsLonLat:function(ll,inclusive){return this.contains(ll.lon,ll.lat,inclusive);},containsPixel:function(px,inclusive){return this.contains(px.x,px.y,inclusive);},contains:function(x,y,inclusive){if(inclusive==null){inclusive=true;}
var contains=false;if(inclusive){contains=((x>=this.left)&&(x<=this.right)&&(y>=this.bottom)&&(y<=this.top));}else{contains=((x>this.left)&&(xthis.bottom)&&(ythis.bottom)&&(bounds.bottombounds.bottom)&&(this.bottomthis.bottom)&&(bounds.topbounds.bottom)&&(this.topthis.left)&&(bounds.rightbounds.left)&&(this.rightthis.left)&&(bounds.leftbounds.left)&&(this.left=this.left)&&(bounds.left<=this.right);inTop=(bounds.top>=this.bottom)&&(bounds.top<=this.top);inRight=(bounds.right>=this.left)&&(bounds.right<=this.right);inBottom=(bounds.bottom>=this.bottom)&&(bounds.bottom<=this.top);}else{inLeft=(bounds.left>this.left)&&(bounds.leftthis.bottom)&&(bounds.topthis.left)&&(bounds.rightthis.bottom)&&(bounds.bottom=maxExtent.right&&newBounds.right>maxExtent.right){newBounds=newBounds.add(-maxExtent.getWidth(),0);}}
return newBounds;},CLASS_NAME:"OpenLayers.Bounds"});OpenLayers.Bounds.fromString=function(str){var bounds=str.split(",");return OpenLayers.Bounds.fromArray(bounds);};OpenLayers.Bounds.fromArray=function(bbox){return new OpenLayers.Bounds(parseFloat(bbox[0]),parseFloat(bbox[1]),parseFloat(bbox[2]),parseFloat(bbox[3]));};OpenLayers.Bounds.fromSize=function(size){return new OpenLayers.Bounds(0,size.h,size.w,0);};OpenLayers.Bounds.oppositeQuadrant=function(quadrant){var opp="";opp+=(quadrant.charAt(0)=='t')?'b':'t';opp+=(quadrant.charAt(1)=='l')?'r':'l';return opp;};OpenLayers.Element={visible:function(element){return OpenLayers.Util.getElement(element).style.display!='none';},toggle:function(){for(var i=0,len=arguments.length;imaxExtent.right){newLonLat.lon-=maxExtent.getWidth();}}
return newLonLat;},CLASS_NAME:"OpenLayers.LonLat"});OpenLayers.LonLat.fromString=function(str){var pair=str.split(",");return new OpenLayers.LonLat(parseFloat(pair[0]),parseFloat(pair[1]));};OpenLayers.Pixel=OpenLayers.Class({x:0.0,y:0.0,initialize:function(x,y){this.x=parseFloat(x);this.y=parseFloat(y);},toString:function(){return("x="+this.x+",y="+this.y);},clone:function(){return new OpenLayers.Pixel(this.x,this.y);},equals:function(px){var equals=false;if(px!=null){equals=((this.x==px.x&&this.y==px.y)||(isNaN(this.x)&&isNaN(this.y)&&isNaN(px.x)&&isNaN(px.y)));}
return equals;},add:function(x,y){if((x==null)||(y==null)){var msg=OpenLayers.i18n("pixelAddError");OpenLayers.Console.error(msg);return null;}
return new OpenLayers.Pixel(this.x+x,this.y+y);},offset:function(px){var newPx=this.clone();if(px){newPx=this.add(px.x,px.y);}
return newPx;},CLASS_NAME:"OpenLayers.Pixel"});OpenLayers.Size=OpenLayers.Class({w:0.0,h:0.0,initialize:function(w,h){this.w=parseFloat(w);this.h=parseFloat(h);},toString:function(){return("w="+this.w+",h="+this.h);},clone:function(){return new OpenLayers.Size(this.w,this.h);},equals:function(sz){var equals=false;if(sz!=null){equals=((this.w==sz.w&&this.h==sz.h)||(isNaN(this.w)&&isNaN(this.h)&&isNaN(sz.w)&&isNaN(sz.h)));}
return equals;},CLASS_NAME:"OpenLayers.Size"});OpenLayers.Console={log:function(){},debug:function(){},info:function(){},warn:function(){},error:function(){},userError:function(error){alert(error);},assert:function(){},dir:function(){},dirxml:function(){},trace:function(){},group:function(){},groupEnd:function(){},time:function(){},timeEnd:function(){},profile:function(){},profileEnd:function(){},count:function(){},CLASS_NAME:"OpenLayers.Console"};(function(){var scripts=document.getElementsByTagName("script");for(var i=0,len=scripts.length;i"+
this.contentDiv.innerHTML+"
";var realSize=OpenLayers.Util.getRenderedDimensions(preparedHTML,null,{displayClass:this.displayClass});var safeSize=this.getSafeContentSize(realSize);var newSize=null;if(safeSize.equals(realSize)){newSize=realSize;}else{var fixedSize=new OpenLayers.Size();fixedSize.w=(safeSize.w(mapSize.w-this.map.paddingForPopups.right)){newTL.x=mapSize.w-this.map.paddingForPopups.right-this.size.w;}
if(origTL.y(mapSize.h-this.map.paddingForPopups.bottom)){newTL.y=mapSize.h-this.map.paddingForPopups.bottom-this.size.h;}
var dx = origTL.x - newTL.x; var dy = origTL.y - newTL.y; this.map.pan(dx, dy);
}, registerEvents: function() { this.events = new OpenLayers.Events(this, this.div, null, true); this.events.on({ "mousedown": this.onmousedown, "mousemove": this.onmousemove, "mouseup": this.onmouseup, "click": this.onclick, "mouseout": this.onmouseout, "dblclick": this.ondblclick, scope: this }); }, onmousedown: function(evt) { this.mousedown = true; OpenLayers.Event.stop(evt, true); }, onmousemove: function(evt) { if (this.mousedown) { OpenLayers.Event.stop(evt, true); } }, onmouseup: function(evt) { if (this.mousedown) { this.mousedown = false; OpenLayers.Event.stop(evt, true); } }, onclick: function(evt) { OpenLayers.Event.stop(evt, true); }, onmouseout: function(evt) { this.mousedown = false; }, ondblclick: function(evt) { OpenLayers.Event.stop(evt, true); }, CLASS_NAME: "OpenLayers.Popup"
}); OpenLayers.Popup.WIDTH = 200; OpenLayers.Popup.HEIGHT = 200; OpenLayers.Popup.COLOR = "white"; OpenLayers.Popup.OPACITY = 1; OpenLayers.Popup.BORDER = "0px"; OpenLayers.Protocol = OpenLayers.Class({ format: null, options: null, autoDestroy: true, initialize: function(options) { options = options || {}; OpenLayers.Util.extend(this, options); this.options = options; }, destroy: function() { this.options = null; this.format = null; }, read: function() { }, create: function() { }, update: function() { }, "delete": function() { }, commit: function() { }, CLASS_NAME: "OpenLayers.Protocol" }); OpenLayers.Protocol.Response = OpenLayers.Class({ code: null, requestType: null, last: true, features: null, reqFeatures: null, priv: null, initialize: function(options) { OpenLayers.Util.extend(this, options); }, success: function() { return this.code > 0; }, CLASS_NAME: "OpenLayers.Protocol.Response" }); OpenLayers.Protocol.Response.SUCCESS = 1; OpenLayers.Protocol.Response.FAILURE = 0;
/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* Class: OpenLayers.Renderer
* This is the base class for all renderers.
*
* This is based on a merger code written by Paul Spencer and Bertil Chapuis.
* It is largely composed of virtual functions that are to be implemented
* in technology-specific subclasses, but there is some generic code too.
*
* The functions that *are* implemented here merely deal with the maintenance
* of the size and extent variables, as well as the cached 'resolution'
* value.
*
* A note to the user that all subclasses should use getResolution() instead
* of directly accessing this.resolution in order to correctly use the
* cacheing system.
*
*/
OpenLayers.Renderer = OpenLayers.Class({
/**
* Property: container
* {DOMElement}
*/
container: null,
/**
* Property: root
* {DOMElement}
*/
root: null,
/**
* Property: locked
* {Boolean} If the renderer is currently in a state where many things
* are changing, the 'locked' property is set to true. This means
* that renderers can expect at least one more drawFeature event to be
* called with the 'locked' property set to 'true': In some renderers,
* this might make sense to use as a 'only update local information'
* flag.
*/
locked: false,
/**
* Property: size
* {}
*/
size: null,
/**
* Property: resolution
* {Float} cache of current map resolution
*/
resolution: null,
/**
* Property: map
* {} Reference to the map -- this is set in Vector's setMap()
*/
map: null,
/**
* Constructor: OpenLayers.Renderer
*
* Parameters:
* containerID - {}
* options - {Object} options for this renderer. See sublcasses for
* supported options.
*/
initialize: function(containerID, options) {
this.container = OpenLayers.Util.getElement(containerID);
},
/**
* APIMethod: destroy
*/
destroy: function() {
this.container = null;
this.extent = null;
this.size = null;
this.resolution = null;
this.map = null;
},
/**
* APIMethod: supported
* This should be overridden by specific subclasses
*
* Returns:
* {Boolean} Whether or not the browser supports the renderer class
*/
supported: function() {
return false;
},
/**
* Method: setExtent
* Set the visible part of the layer.
*
* Resolution has probably changed, so we nullify the resolution
* cache (this.resolution) -- this way it will be re-computed when
* next it is needed.
* We nullify the resolution cache (this.resolution) if resolutionChanged
* is set to true - this way it will be re-computed on the next
* getResolution() request.
*
* Parameters:
* extent - {}
* resolutionChanged - {Boolean}
*/
setExtent: function(extent, resolutionChanged) {
this.extent = extent.clone();
if (resolutionChanged) {
this.resolution = null;
}
},
/**
* Method: setSize
* Sets the size of the drawing surface.
*
* Resolution has probably changed, so we nullify the resolution
* cache (this.resolution) -- this way it will be re-computed when
* next it is needed.
*
* Parameters:
* size - {}
*/
setSize: function(size) {
this.size = size.clone();
this.resolution = null;
},
/**
* Method: getResolution
* Uses cached copy of resolution if available to minimize computing
*
* Returns:
* The current map's resolution
*/
getResolution: function() {
this.resolution = this.resolution || this.map.getResolution();
return this.resolution;
},
/**
* Method: drawFeature
* Draw the feature. The optional style argument can be used
* to override the feature's own style. This method should only
* be called from layer.drawFeature().
*
* Parameters:
* feature - {}
* style - {