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Filename : OpenLayers.lite.min.js
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var OpenLayers={VERSION_NUMBER:"Release 2.13.1",singleFile:true,_getScriptLocation:function(){var r=new RegExp("(^|(.*?\\/))(OpenLayers[^\\/]*?\\.js)(\\?|$)"),s=document.getElementsByTagName("script"),src,m,l="";for(var i=0,len=s.length;i<len;i++){src=s[i].getAttribute("src");if(src){m=src.match(r);if(m){l=m[1];break}}}return function(){return l}}(),ImgPath:""};OpenLayers.Class=function(){var len=arguments.length;var P=arguments[0];var F=arguments[len-1];var C=typeof F.initialize=="function"?F.initialize:function(){P.prototype.initialize.apply(this,arguments)};if(len>1){var newArgs=[C,P].concat(Array.prototype.slice.call(arguments).slice(1,len-1),F);OpenLayers.inherit.apply(null,newArgs)}else{C.prototype=F}return C};OpenLayers.inherit=function(C,P){var F=function(){};F.prototype=P.prototype;C.prototype=new F;var i,l,o;for(i=2,l=arguments.length;i<l;i++){o=arguments[i];if(typeof o==="function"){o=o.prototype}OpenLayers.Util.extend(C.prototype,o)}};OpenLayers.Util=OpenLayers.Util||{};OpenLayers.Util.extend=function(destination,source){destination=destination||{};if(source){for(var property in source){var value=source[property];if(value!==undefined){destination[property]=value}}var sourceIsEvt=typeof window.Event=="function"&&source instanceof window.Event;if(!sourceIsEvt&&source.hasOwnProperty&&source.hasOwnProperty("toString")){destination.toString=source.toString}}return destination};OpenLayers.String={startsWith:function(str,sub){return str.indexOf(sub)==0},contains:function(str,sub){return str.indexOf(sub)!=-1},trim:function(str){return str.replace(/^\s\s*/,"").replace(/\s\s*$/,"")},camelize:function(str){var oStringList=str.split("-");var camelizedString=oStringList[0];for(var i=1,len=oStringList.length;i<len;i++){var s=oStringList[i];camelizedString+=s.charAt(0).toUpperCase()+s.substring(1)}return camelizedString},format:function(template,context,args){if(!context){context=window}var replacer=function(str,match){var replacement;var subs=match.split(/\.+/);for(var i=0;i<subs.length;i++){if(i==0){replacement=context}if(replacement===undefined){break}replacement=replacement[subs[i]]}if(typeof replacement=="function"){replacement=args?replacement.apply(null,args):replacement()}if(typeof replacement=="undefined"){return"undefined"}else{return replacement}};return template.replace(OpenLayers.String.tokenRegEx,replacer)},tokenRegEx:/\$\{([\w.]+?)\}/g,numberRegEx:/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/,isNumeric:function(value){return OpenLayers.String.numberRegEx.test(value)},numericIf:function(value,trimWhitespace){var originalValue=value;if(trimWhitespace===true&&value!=null&&value.replace){value=value.replace(/^\s*|\s*$/g,"")}return OpenLayers.String.isNumeric(value)?parseFloat(value):originalValue}};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},zeroPad:function(num,len,radix){var str=num.toString(radix||10);while(str.length<len){str="0"+str}return str}};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)}},False:function(){return false},True:function(){return true},Void:function(){}};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<len;i++){if(i in array){var val=array[i];if(callback.call(caller,val,i,array)){selected.push(val)}}}}return selected}};OpenLayers.Bounds=OpenLayers.Class({left:null,bottom:null,right:null,top:null,centerLonLat:null,initialize:function(left,bottom,right,top){if(OpenLayers.Util.isArray(left)){top=left[3];right=left[2];bottom=left[1];left=left[0]}if(left!=null){this.left=OpenLayers.Util.toFloat(left)}if(bottom!=null){this.bottom=OpenLayers.Util.toFloat(bottom)}if(right!=null){this.right=OpenLayers.Util.toFloat(right)}if(top!=null){this.top=OpenLayers.Util.toFloat(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[this.left,this.bottom,this.right,this.top].join(",")},toArray:function(reverseAxisOrder){if(reverseAxisOrder===true){return[this.bottom,this.left,this.top,this.right]}else{return[this.left,this.bottom,this.right,this.top]}},toBBOX:function(decimal,reverseAxisOrder){if(decimal==null){decimal=6}var mult=Math.pow(10,decimal);var xmin=Math.round(this.left*mult)/mult;var ymin=Math.round(this.bottom*mult)/mult;var xmax=Math.round(this.right*mult)/mult;var ymax=Math.round(this.top*mult)/mult;if(reverseAxisOrder===true){return ymin+","+xmin+","+ymax+","+xmax}else{return xmin+","+ymin+","+xmax+","+ymax}},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(){if(!this.centerLonLat){this.centerLonLat=new OpenLayers.LonLat((this.left+this.right)/2,(this.bottom+this.top)/2)}return this.centerLonLat},scale:function(ratio,origin){if(origin==null){origin=this.getCenterLonLat()}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){throw new TypeError("Bounds.add cannot receive null values")}return new OpenLayers.Bounds(this.left+x,this.bottom+y,this.right+x,this.top+y)},extend:function(object){if(object){switch(object.CLASS_NAME){case"OpenLayers.LonLat":this.extendXY(object.lon,object.lat);break;case"OpenLayers.Geometry.Point":this.extendXY(object.x,object.y);break;case"OpenLayers.Bounds":this.centerLonLat=null;if(this.left==null||object.left<this.left){this.left=object.left}if(this.bottom==null||object.bottom<this.bottom){this.bottom=object.bottom}if(this.right==null||object.right>this.right){this.right=object.right}if(this.top==null||object.top>this.top){this.top=object.top}break}}},extendXY:function(x,y){this.centerLonLat=null;if(this.left==null||x<this.left){this.left=x}if(this.bottom==null||y<this.bottom){this.bottom=y}if(this.right==null||x>this.right){this.right=x}if(this.top==null||y>this.top){this.top=y}},containsLonLat:function(ll,options){if(typeof options==="boolean"){options={inclusive:options}}options=options||{};var contains=this.contains(ll.lon,ll.lat,options.inclusive),worldBounds=options.worldBounds;if(worldBounds&&!contains){var worldWidth=worldBounds.getWidth();var worldCenterX=(worldBounds.left+worldBounds.right)/2;var worldsAway=Math.round((ll.lon-worldCenterX)/worldWidth);contains=this.containsLonLat({lon:ll.lon-worldsAway*worldWidth,lat:ll.lat},{inclusive:options.inclusive})}return contains},containsPixel:function(px,inclusive){return this.contains(px.x,px.y,inclusive)},contains:function(x,y,inclusive){if(inclusive==null){inclusive=true}if(x==null||y==null){return false}x=OpenLayers.Util.toFloat(x);y=OpenLayers.Util.toFloat(y);var contains=false;if(inclusive){contains=x>=this.left&&x<=this.right&&y>=this.bottom&&y<=this.top}else{contains=x>this.left&&x<this.right&&y>this.bottom&&y<this.top}return contains},intersectsBounds:function(bounds,options){if(typeof options==="boolean"){options={inclusive:options}}options=options||{};if(options.worldBounds){var self=this.wrapDateLine(options.worldBounds);bounds=bounds.wrapDateLine(options.worldBounds)}else{self=this}if(options.inclusive==null){options.inclusive=true}var intersects=false;var mightTouch=self.left==bounds.right||self.right==bounds.left||self.top==bounds.bottom||self.bottom==bounds.top;if(options.inclusive||!mightTouch){var inBottom=bounds.bottom>=self.bottom&&bounds.bottom<=self.top||self.bottom>=bounds.bottom&&self.bottom<=bounds.top;var inTop=bounds.top>=self.bottom&&bounds.top<=self.top||self.top>bounds.bottom&&self.top<bounds.top;var inLeft=bounds.left>=self.left&&bounds.left<=self.right||self.left>=bounds.left&&self.left<=bounds.right;var inRight=bounds.right>=self.left&&bounds.right<=self.right||self.right>=bounds.left&&self.right<=bounds.right;intersects=(inBottom||inTop)&&(inLeft||inRight)}if(options.worldBounds&&!intersects){var world=options.worldBounds;var width=world.getWidth();var selfCrosses=!world.containsBounds(self);var boundsCrosses=!world.containsBounds(bounds);if(selfCrosses&&!boundsCrosses){bounds=bounds.add(-width,0);intersects=self.intersectsBounds(bounds,{inclusive:options.inclusive})}else if(boundsCrosses&&!selfCrosses){self=self.add(-width,0);intersects=bounds.intersectsBounds(self,{inclusive:options.inclusive})}}return intersects},containsBounds:function(bounds,partial,inclusive){if(partial==null){partial=false}if(inclusive==null){inclusive=true}var bottomLeft=this.contains(bounds.left,bounds.bottom,inclusive);var bottomRight=this.contains(bounds.right,bounds.bottom,inclusive);var topLeft=this.contains(bounds.left,bounds.top,inclusive);var topRight=this.contains(bounds.right,bounds.top,inclusive);return partial?bottomLeft||bottomRight||topLeft||topRight:bottomLeft&&bottomRight&&topLeft&&topRight},determineQuadrant:function(lonlat){var quadrant="";var center=this.getCenterLonLat();quadrant+=lonlat.lat<center.lat?"b":"t";quadrant+=lonlat.lon<center.lon?"l":"r";return quadrant},transform:function(source,dest){this.centerLonLat=null;var ll=OpenLayers.Projection.transform({x:this.left,y:this.bottom},source,dest);var lr=OpenLayers.Projection.transform({x:this.right,y:this.bottom},source,dest);var ul=OpenLayers.Projection.transform({x:this.left,y:this.top},source,dest);var ur=OpenLayers.Projection.transform({x:this.right,y:this.top},source,dest);this.left=Math.min(ll.x,ul.x);this.bottom=Math.min(ll.y,lr.y);this.right=Math.max(lr.x,ur.x);this.top=Math.max(ul.y,ur.y);return this},wrapDateLine:function(maxExtent,options){options=options||{};var leftTolerance=options.leftTolerance||0;var rightTolerance=options.rightTolerance||0;var newBounds=this.clone();if(maxExtent){var width=maxExtent.getWidth();while(newBounds.left<maxExtent.left&&newBounds.right-rightTolerance<=maxExtent.left){newBounds=newBounds.add(width,0)}while(newBounds.left+leftTolerance>=maxExtent.right&&newBounds.right>maxExtent.right){newBounds=newBounds.add(-width,0)}var newLeft=newBounds.left+leftTolerance;if(newLeft<maxExtent.right&&newLeft>maxExtent.left&&newBounds.right-rightTolerance>maxExtent.right){newBounds=newBounds.add(-width,0)}}return newBounds},CLASS_NAME:"OpenLayers.Bounds"});OpenLayers.Bounds.fromString=function(str,reverseAxisOrder){var bounds=str.split(",");return OpenLayers.Bounds.fromArray(bounds,reverseAxisOrder)};OpenLayers.Bounds.fromArray=function(bbox,reverseAxisOrder){return reverseAxisOrder===true?new OpenLayers.Bounds(bbox[1],bbox[0],bbox[3],bbox[2]):new OpenLayers.Bounds(bbox[0],bbox[1],bbox[2],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;i<len;i++){var element=OpenLayers.Util.getElement(arguments[i]);var display=OpenLayers.Element.visible(element)?"none":"";element.style.display=display}},remove:function(element){element=OpenLayers.Util.getElement(element);element.parentNode.removeChild(element)},getHeight:function(element){element=OpenLayers.Util.getElement(element);return element.offsetHeight},hasClass:function(element,name){var names=element.className;return!!names&&new RegExp("(^|\\s)"+name+"(\\s|$)").test(names)},addClass:function(element,name){if(!OpenLayers.Element.hasClass(element,name)){element.className+=(element.className?" ":"")+name}return element},removeClass:function(element,name){var names=element.className;if(names){element.className=OpenLayers.String.trim(names.replace(new RegExp("(^|\\s+)"+name+"(\\s+|$)")," "))}return element},toggleClass:function(element,name){if(OpenLayers.Element.hasClass(element,name)){OpenLayers.Element.removeClass(element,name)}else{OpenLayers.Element.addClass(element,name)}return element},getStyle:function(element,style){element=OpenLayers.Util.getElement(element);var value=null;if(element&&element.style){value=element.style[OpenLayers.String.camelize(style)];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css.getPropertyValue(style):null}else if(element.currentStyle){value=element.currentStyle[OpenLayers.String.camelize(style)]}}var positions=["left","top","right","bottom"];if(window.opera&&OpenLayers.Util.indexOf(positions,style)!=-1&&OpenLayers.Element.getStyle(element,"position")=="static"){value="auto"}}return value=="auto"?null:value}};OpenLayers.LonLat=OpenLayers.Class({lon:0,lat:0,initialize:function(lon,lat){if(OpenLayers.Util.isArray(lon)){lat=lon[1];lon=lon[0]}this.lon=OpenLayers.Util.toFloat(lon);this.lat=OpenLayers.Util.toFloat(lat)},toString:function(){return"lon="+this.lon+",lat="+this.lat},toShortString:function(){return this.lon+", "+this.lat},clone:function(){return new OpenLayers.LonLat(this.lon,this.lat)},add:function(lon,lat){if(lon==null||lat==null){throw new TypeError("LonLat.add cannot receive null values")}return new OpenLayers.LonLat(this.lon+OpenLayers.Util.toFloat(lon),this.lat+OpenLayers.Util.toFloat(lat))},equals:function(ll){var equals=false;if(ll!=null){equals=this.lon==ll.lon&&this.lat==ll.lat||isNaN(this.lon)&&isNaN(this.lat)&&isNaN(ll.lon)&&isNaN(ll.lat)}return equals},transform:function(source,dest){var point=OpenLayers.Projection.transform({x:this.lon,y:this.lat},source,dest);this.lon=point.x;this.lat=point.y;return this},wrapDateLine:function(maxExtent){var newLonLat=this.clone();if(maxExtent){while(newLonLat.lon<maxExtent.left){newLonLat.lon+=maxExtent.getWidth()}while(newLonLat.lon>maxExtent.right){newLonLat.lon-=maxExtent.getWidth()}}return newLonLat},CLASS_NAME:"OpenLayers.LonLat"});OpenLayers.LonLat.fromString=function(str){var pair=str.split(",");return new OpenLayers.LonLat(pair[0],pair[1])};OpenLayers.LonLat.fromArray=function(arr){var gotArr=OpenLayers.Util.isArray(arr),lon=gotArr&&arr[0],lat=gotArr&&arr[1];return new OpenLayers.LonLat(lon,lat)};OpenLayers.Pixel=OpenLayers.Class({x:0,y: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},distanceTo:function(px){return Math.sqrt(Math.pow(this.x-px.x,2)+Math.pow(this.y-px.y,2))},add:function(x,y){if(x==null||y==null){throw new TypeError("Pixel.add cannot receive null values")}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,h: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<len;++i){if(scripts[i].src.indexOf("firebug.js")!=-1){if(console){OpenLayers.Util.extend(OpenLayers.Console,console);break}}}})();OpenLayers.Lang={code:null,defaultCode:"en",getCode:function(){if(!OpenLayers.Lang.code){OpenLayers.Lang.setCode()}return OpenLayers.Lang.code},setCode:function(code){var lang;if(!code){code=OpenLayers.BROWSER_NAME=="msie"?navigator.userLanguage:navigator.language}var parts=code.split("-");parts[0]=parts[0].toLowerCase();if(typeof OpenLayers.Lang[parts[0]]=="object"){lang=parts[0]}if(parts[1]){var testLang=parts[0]+"-"+parts[1].toUpperCase();if(typeof OpenLayers.Lang[testLang]=="object"){lang=testLang}}if(!lang){OpenLayers.Console.warn("Failed to find OpenLayers.Lang."+parts.join("-")+" dictionary, falling back to default language");lang=OpenLayers.Lang.defaultCode}OpenLayers.Lang.code=lang},translate:function(key,context){var dictionary=OpenLayers.Lang[OpenLayers.Lang.getCode()];var message=dictionary&&dictionary[key];if(!message){message=key}if(context){message=OpenLayers.String.format(message,context)}return message}};OpenLayers.i18n=OpenLayers.Lang.translate;OpenLayers.Util=OpenLayers.Util||{};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};OpenLayers.Util.isElement=function(o){return!!(o&&o.nodeType===1)};OpenLayers.Util.isArray=function(a){return Object.prototype.toString.call(a)==="[object Array]"};OpenLayers.Util.removeItem=function(array,item){for(var i=array.length-1;i>=0;i--){if(array[i]==item){array.splice(i,1)}}return array};OpenLayers.Util.indexOf=function(array,obj){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}};OpenLayers.Util.dotless=/\./g;OpenLayers.Util.modifyDOMElement=function(element,id,px,sz,position,border,overflow,opacity){if(id){element.id=id.replace(OpenLayers.Util.dotless,"_")}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&&parseFloat(opacity)<1){element.style.filter="alpha(opacity="+opacity*100+")";element.style.opacity=opacity}else if(parseFloat(opacity)==1){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";function display(){image.style.display="";OpenLayers.Event.stopObservingElement(image)}OpenLayers.Event.observe(image,"load",display);OpenLayers.Event.observe(image,"error",display)}image.style.alt=id;image.galleryImg="no";if(imgURL){image.src=imgURL}return image};OpenLayers.IMAGE_RELOAD_ATTEMPTS=0;OpenLayers.Util.alphaHackNeeded=null;OpenLayers.Util.alphaHack=function(){if(OpenLayers.Util.alphaHackNeeded==null){var arVersion=navigator.appVersion.split("MSIE");var version=parseFloat(arVersion[1]);var filter=false;try{filter=!!document.body.filters}catch(e){}OpenLayers.Util.alphaHackNeeded=filter&&version>=5.5&&version<7}return OpenLayers.Util.alphaHackNeeded};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&&parseFloat(div.style.opacity)<1){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,delayDisplay);img.className="olAlphaImg";div.appendChild(img);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=[];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{encodedValue=encodeURIComponent(value)}paramsArray.push(encodeURIComponent(key)+"="+encodedValue)}}return paramsArray.join("&")};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};OpenLayers.Util.getImagesLocation=function(){return OpenLayers.ImgPath||OpenLayers._getScriptLocation()+"img/"};OpenLayers.Util.getImageLocation=function(image){return OpenLayers.Util.getImagesLocation()+image};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};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.DEFAULT_PRECISION=14;OpenLayers.Util.toFloat=function(number,precision){if(precision==null){precision=OpenLayers.Util.DEFAULT_PRECISION}if(typeof number!=="number"){number=parseFloat(number)}return precision===0?number:parseFloat(number.toPrecision(precision))};OpenLayers.Util.rad=function(x){return x*Math.PI/180};OpenLayers.Util.deg=function(x){return x*180/Math.PI};OpenLayers.Util.VincentyConstants={a:6378137,b:6356752.3142,f:1/298.257223563};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}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)/1e3;return d};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);return new OpenLayers.LonLat(lon1+u.deg(L),u.deg(lat2))};OpenLayers.Util.getParameters=function(url,options){options=options||{};url=url===null||url===undefined?window.location.href:url;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=keyValue[0];try{key=decodeURIComponent(key)}catch(err){key=unescape(key)}var value=(keyValue[1]||"").replace(/\+/g," ");try{value=decodeURIComponent(value)}catch(err){value=unescape(value)}if(options.splitArgs!==false){value=value.split(",")}if(value.length==1){value=value[0]}parameters[key]=value}}return parameters};OpenLayers.Util.lastSeqID=0;OpenLayers.Util.createUniqueID=function(prefix){if(prefix==null){prefix="id_"}else{prefix=prefix.replace(OpenLayers.Util.dotless,"_")}OpenLayers.Util.lastSeqID+=1;return prefix+OpenLayers.Util.lastSeqID};OpenLayers.INCHES_PER_UNIT={inches:1,ft:12,mi:63360,m:39.37,km:39370,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;OpenLayers.METERS_PER_INCH=.0254000508001016;OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT,{Inch:OpenLayers.INCHES_PER_UNIT.inches,Meter:1/OpenLayers.METERS_PER_INCH,Foot:.3048006096012192/OpenLayers.METERS_PER_INCH,IFoot:.3048/OpenLayers.METERS_PER_INCH,ClarkeFoot:.3047972651151/OpenLayers.METERS_PER_INCH,SearsFoot:.30479947153867626/OpenLayers.METERS_PER_INCH,GoldCoastFoot:.3047997101815088/OpenLayers.METERS_PER_INCH,IInch:.0254/OpenLayers.METERS_PER_INCH,MicroInch:254e-7/OpenLayers.METERS_PER_INCH,Mil:2.54e-8/OpenLayers.METERS_PER_INCH,Centimeter:.01/OpenLayers.METERS_PER_INCH,Kilometer:1e3/OpenLayers.METERS_PER_INCH,Yard:.9144018288036576/OpenLayers.METERS_PER_INCH,SearsYard:.914398414616029/OpenLayers.METERS_PER_INCH,IndianYard:.9143985307444408/OpenLayers.METERS_PER_INCH,IndianYd37:.91439523/OpenLayers.METERS_PER_INCH,IndianYd62:.9143988/OpenLayers.METERS_PER_INCH,IndianYd75:.9143985/OpenLayers.METERS_PER_INCH,IndianFoot:.30479951/OpenLayers.METERS_PER_INCH,IndianFt37:.30479841/OpenLayers.METERS_PER_INCH,IndianFt62:.3047996/OpenLayers.METERS_PER_INCH,IndianFt75:.3047995/OpenLayers.METERS_PER_INCH,Mile:1609.3472186944373/OpenLayers.METERS_PER_INCH,IYard:.9144/OpenLayers.METERS_PER_INCH,IMile:1609.344/OpenLayers.METERS_PER_INCH,NautM:1852/OpenLayers.METERS_PER_INCH,"Lat-66":110943.31648893273/OpenLayers.METERS_PER_INCH,"Lat-83":110946.25736872235/OpenLayers.METERS_PER_INCH,Decimeter:.1/OpenLayers.METERS_PER_INCH,Millimeter:.001/OpenLayers.METERS_PER_INCH,Dekameter:10/OpenLayers.METERS_PER_INCH,Decameter:10/OpenLayers.METERS_PER_INCH,Hectometer:100/OpenLayers.METERS_PER_INCH,GermanMeter:1.0000135965/OpenLayers.METERS_PER_INCH,CaGrid:.999738/OpenLayers.METERS_PER_INCH,ClarkeChain:20.1166194976/OpenLayers.METERS_PER_INCH,GunterChain:20.11684023368047/OpenLayers.METERS_PER_INCH,BenoitChain:20.116782494375872/OpenLayers.METERS_PER_INCH,SearsChain:20.11676512155/OpenLayers.METERS_PER_INCH,ClarkeLink:.201166194976/OpenLayers.METERS_PER_INCH,GunterLink:.2011684023368047/OpenLayers.METERS_PER_INCH,BenoitLink:.20116782494375873/OpenLayers.METERS_PER_INCH,SearsLink:.2011676512155/OpenLayers.METERS_PER_INCH,Rod:5.02921005842012/OpenLayers.METERS_PER_INCH,IntnlChain:20.1168/OpenLayers.METERS_PER_INCH,IntnlLink:.201168/OpenLayers.METERS_PER_INCH,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:.3047972615/OpenLayers.METERS_PER_INCH,Brealey:375/OpenLayers.METERS_PER_INCH,ModAmFt:.304812252984506/OpenLayers.METERS_PER_INCH,Fathom:1.8288/OpenLayers.METERS_PER_INCH,"NautM-UK":1853.184/OpenLayers.METERS_PER_INCH,"50kilometers":5e4/OpenLayers.METERS_PER_INCH,"150kilometers":15e4/OpenLayers.METERS_PER_INCH});OpenLayers.Util.extend(OpenLayers.INCHES_PER_UNIT,{mm:OpenLayers.INCHES_PER_UNIT["Meter"]/1e3,cm:OpenLayers.INCHES_PER_UNIT["Meter"]/100,dm:OpenLayers.INCHES_PER_UNIT["Meter"]*100,km:OpenLayers.INCHES_PER_UNIT["Meter"]*1e3,kmi:OpenLayers.INCHES_PER_UNIT["nmi"],fath:OpenLayers.INCHES_PER_UNIT["Fathom"],ch:OpenLayers.INCHES_PER_UNIT["IntnlChain"],link:OpenLayers.INCHES_PER_UNIT["IntnlLink"],"us-in":OpenLayers.INCHES_PER_UNIT["inches"],"us-ft":OpenLayers.INCHES_PER_UNIT["Foot"],"us-yd":OpenLayers.INCHES_PER_UNIT["Yard"],"us-ch":OpenLayers.INCHES_PER_UNIT["GunterChain"],"us-mi":OpenLayers.INCHES_PER_UNIT["Mile"],"ind-yd":OpenLayers.INCHES_PER_UNIT["IndianYd37"],"ind-ft":OpenLayers.INCHES_PER_UNIT["IndianFt37"],"ind-ch":20.11669506/OpenLayers.METERS_PER_INCH});OpenLayers.DOTS_PER_INCH=72;OpenLayers.Util.normalizeScale=function(scale){var normScale=scale>1?1/scale:scale;return normScale};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};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.pagePosition=function(forElement){var pos=[0,0];var viewportElement=OpenLayers.Util.getViewportElement();if(!forElement||forElement==window||forElement==viewportElement){return pos}var BUGGY_GECKO_BOX_OBJECT=OpenLayers.IS_GECKO&&document.getBoxObjectFor&&OpenLayers.Element.getStyle(forElement,"position")=="absolute"&&(forElement.style.top==""||forElement.style.left=="");var parent=null;var box;if(forElement.getBoundingClientRect){box=forElement.getBoundingClientRect();var scrollTop=window.pageYOffset||viewportElement.scrollTop;var scrollLeft=window.pageXOffset||viewportElement.scrollLeft;pos[0]=box.left+scrollLeft;pos[1]=box.top+scrollTop}else if(document.getBoxObjectFor&&!BUGGY_GECKO_BOX_OBJECT){box=document.getBoxObjectFor(forElement);var vpBox=document.getBoxObjectFor(viewportElement);pos[0]=box.screenX-vpBox.screenX;pos[1]=box.screenY-vpBox.screenY}else{pos[0]=forElement.offsetLeft;pos[1]=forElement.offsetTop;parent=forElement.offsetParent;if(parent!=forElement){while(parent){pos[0]+=parent.offsetLeft;pos[1]+=parent.offsetTop;parent=parent.offsetParent}}var browser=OpenLayers.BROWSER_NAME;if(browser=="opera"||browser=="safari"&&OpenLayers.Element.getStyle(forElement,"position")=="absolute"){pos[1]-=document.body.offsetTop}parent=forElement.offsetParent;while(parent&&parent!=document.body){pos[0]-=parent.scrollLeft;if(browser!="opera"||parent.tagName!="TR"){pos[1]-=parent.scrollTop}parent=parent.offsetParent}}return pos};OpenLayers.Util.getViewportElement=function(){var viewportElement=arguments.callee.viewportElement;if(viewportElement==undefined){viewportElement=OpenLayers.BROWSER_NAME=="msie"&&document.compatMode!="CSS1Compat"?document.body:document.documentElement;arguments.callee.viewportElement=viewportElement}return viewportElement};OpenLayers.Util.isEquivalentUrl=function(url1,url2,options){options=options||{};OpenLayers.Util.applyDefaults(options,{ignoreCase:true,ignorePort80:true,ignoreHash:true,splitArgs:false});var urlObj1=OpenLayers.Util.createUrlObject(url1,options);var urlObj2=OpenLayers.Util.createUrlObject(url2,options);for(var key in urlObj1){if(key!=="args"){if(urlObj1[key]!=urlObj2[key]){return false}}}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||{};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){url=fullUrl+url}else{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={};urlObject.host=a.host.split(":").shift();urlObject.protocol=a.protocol;if(options.ignorePort80){urlObject.port=a.port=="80"||a.port=="0"?"":a.port}else{urlObject.port=a.port==""||a.port=="0"?"80":a.port}urlObject.hash=options.ignoreHash||a.hash==="#"?"":a.hash;var queryString=a.search;if(!queryString){var qMark=url.indexOf("?");queryString=qMark!=-1?url.substr(qMark):""}urlObject.args=OpenLayers.Util.getParameters(queryString,{splitArgs:options.splitArgs});urlObject.pathname=a.pathname.charAt(0)=="/"?a.pathname:"/"+a.pathname;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.IS_GECKO=function(){var ua=navigator.userAgent.toLowerCase();return ua.indexOf("webkit")==-1&&ua.indexOf("gecko")!=-1}();OpenLayers.CANVAS_SUPPORTED=function(){var elem=document.createElement("canvas");return!!(elem.getContext&&elem.getContext("2d"))}();OpenLayers.BROWSER_NAME=function(){var name="";var ua=navigator.userAgent.toLowerCase();if(ua.indexOf("opera")!=-1){name="opera"}else if(ua.indexOf("msie")!=-1){name="msie"}else if(ua.indexOf("safari")!=-1){name="safari"}else if(ua.indexOf("mozilla")!=-1){if(ua.indexOf("firefox")!=-1){name="firefox"}else{name="mozilla"}}return name}();OpenLayers.Util.getBrowserName=function(){return OpenLayers.BROWSER_NAME};OpenLayers.Util.getRenderedDimensions=function(contentHTML,size,options){var w,h;var container=document.createElement("div");container.style.visibility="hidden";var containerElement=options&&options.containerElement?options.containerElement:document.body;var parentHasPositionAbsolute=false;var superContainer=null;var parent=containerElement;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&&(containerElement.clientHeight===0||containerElement.clientWidth===0)){superContainer=document.createElement("div");superContainer.style.visibility="hidden";superContainer.style.position="absolute";superContainer.style.overflow="visible";superContainer.style.width=document.body.clientWidth+"px";superContainer.style.height=document.body.clientHeight+"px";superContainer.appendChild(container)}container.style.position="absolute";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;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"}}container.appendChild(content);if(superContainer){containerElement.appendChild(superContainer)}else{containerElement.appendChild(container)}if(!w){w=parseInt(content.scrollWidth);container.style.width=w+"px"}if(!h){h=parseInt(content.scrollHeight)}container.removeChild(content);if(superContainer){superContainer.removeChild(container);containerElement.removeChild(superContainer)}else{containerElement.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.Util.getFormattedLonLat=function(coordinate,axis,dmsOption){if(!dmsOption){dmsOption="dms"}coordinate=(coordinate+540)%360-180;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(coordinateseconds>=60){coordinateseconds-=60;coordinateminutes+=1;if(coordinateminutes>=60){coordinateminutes-=60;coordinatedegrees+=1}}if(coordinatedegrees<10){coordinatedegrees="0"+coordinatedegrees}var str=coordinatedegrees+"°";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};OpenLayers.Util=OpenLayers.Util||{};OpenLayers.Util.vendorPrefix=function(){"use strict";var VENDOR_PREFIXES=["","O","ms","Moz","Webkit"],divStyle=document.createElement("div").style,cssCache={},jsCache={};function domToCss(prefixedDom){if(!prefixedDom){return null}return prefixedDom.replace(/([A-Z])/g,function(c){return"-"+c.toLowerCase()}).replace(/^ms-/,"-ms-")}function css(property){if(cssCache[property]===undefined){var domProperty=property.replace(/(-[\s\S])/g,function(c){return c.charAt(1).toUpperCase()});var prefixedDom=style(domProperty);cssCache[property]=domToCss(prefixedDom)}return cssCache[property]}function js(obj,property){if(jsCache[property]===undefined){var tmpProp,i=0,l=VENDOR_PREFIXES.length,prefix,isStyleObj=typeof obj.cssText!=="undefined";jsCache[property]=null;for(;i<l;i++){prefix=VENDOR_PREFIXES[i];if(prefix){if(!isStyleObj){prefix=prefix.toLowerCase()}tmpProp=prefix+property.charAt(0).toUpperCase()+property.slice(1)}else{tmpProp=property}if(obj[tmpProp]!==undefined){jsCache[property]=tmpProp;break}}}return jsCache[property]}function style(property){return js(divStyle,property)}return{css:css,js:js,style:style,cssCache:cssCache,jsCache:jsCache}}();OpenLayers.Event={observers:false,KEY_SPACE:32,KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,element:function(event){return event.target||event.srcElement},isSingleTouch:function(event){return event.touches&&event.touches.length==1},isMultiTouch:function(event){return event.touches&&event.touches.length>1},isLeftClick:function(event){return event.which&&event.which==1||event.button&&event.button==1},isRightClick:function(event){return event.which&&event.which==3||event.button&&event.button==2},stop:function(event,allowDefault){if(!allowDefault){OpenLayers.Event.preventDefault(event)}if(event.stopPropagation){event.stopPropagation()}else{event.cancelBubble=true}},preventDefault:function(event){if(event.preventDefault){event.preventDefault()}else{event.returnValue=false}},findElement:function(event,tagName){var element=OpenLayers.Event.element(event);while(element.parentNode&&(!element.tagName||element.tagName.toUpperCase()!=tagName.toUpperCase())){element=element.parentNode}return element},observe:function(elementParam,name,observer,useCapture){var element=OpenLayers.Util.getElement(elementParam);useCapture=useCapture||false;if(name=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent)){name="keydown"}if(!this.observers){this.observers={}}if(!element._eventCacheID){var idPrefix="eventCacheID_";if(element.id){idPrefix=element.id+"_"+idPrefix}element._eventCacheID=OpenLayers.Util.createUniqueID(idPrefix)}var cacheID=element._eventCacheID;if(!this.observers[cacheID]){this.observers[cacheID]=[]}this.observers[cacheID].push({element:element,name:name,observer:observer,useCapture:useCapture});if(element.addEventListener){element.addEventListener(name,observer,useCapture)}else if(element.attachEvent){element.attachEvent("on"+name,observer)}},stopObservingElement:function(elementParam){var element=OpenLayers.Util.getElement(elementParam);var cacheID=element._eventCacheID;this._removeElementObservers(OpenLayers.Event.observers[cacheID])},_removeElementObservers:function(elementObservers){if(elementObservers){for(var i=elementObservers.length-1;i>=0;i--){var entry=elementObservers[i];OpenLayers.Event.stopObserving.apply(this,[entry.element,entry.name,entry.observer,entry.useCapture])}}},stopObserving:function(elementParam,name,observer,useCapture){useCapture=useCapture||false;var element=OpenLayers.Util.getElement(elementParam);var cacheID=element._eventCacheID;if(name=="keypress"){if(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent){name="keydown"}}var foundEntry=false;var elementObservers=OpenLayers.Event.observers[cacheID];if(elementObservers){var i=0;while(!foundEntry&&i<elementObservers.length){var cacheEntry=elementObservers[i];if(cacheEntry.name==name&&cacheEntry.observer==observer&&cacheEntry.useCapture==useCapture){elementObservers.splice(i,1);if(elementObservers.length==0){delete OpenLayers.Event.observers[cacheID]}foundEntry=true;break}i++}}if(foundEntry){if(element.removeEventListener){element.removeEventListener(name,observer,useCapture)}else if(element&&element.detachEvent){element.detachEvent("on"+name,observer)}}return foundEntry},unloadCache:function(){if(OpenLayers.Event&&OpenLayers.Event.observers){for(var cacheID in OpenLayers.Event.observers){var elementObservers=OpenLayers.Event.observers[cacheID];OpenLayers.Event._removeElementObservers.apply(this,[elementObservers])}OpenLayers.Event.observers=false}},CLASS_NAME:"OpenLayers.Event"};OpenLayers.Event.observe(window,"unload",OpenLayers.Event.unloadCache,false);OpenLayers.Events=OpenLayers.Class({BROWSER_EVENTS:["mouseover","mouseout","mousedown","mouseup","mousemove","click","dblclick","rightclick","dblrightclick","resize","focus","blur","touchstart","touchmove","touchend","keydown"],listeners:null,object:null,element:null,eventHandler:null,fallThrough:null,includeXY:false,extensions:null,extensionCount:null,clearMouseListener:null,initialize:function(object,element,eventTypes,fallThrough,options){OpenLayers.Util.extend(this,options);this.object=object;this.fallThrough=fallThrough;this.listeners={};this.extensions={};this.extensionCount={};this._msTouches=[];if(element!=null){this.attachToElement(element)}},destroy:function(){for(var e in this.extensions){if(typeof this.extensions[e]!=="boolean"){this.extensions[e].destroy()}}this.extensions=null;if(this.element){OpenLayers.Event.stopObservingElement(this.element);if(this.element.hasScrollEvent){OpenLayers.Event.stopObserving(window,"scroll",this.clearMouseListener)}}this.element=null;this.listeners=null;this.object=null;this.fallThrough=null;this.eventHandler=null},addEventType:function(eventName){},attachToElement:function(element){if(this.element){OpenLayers.Event.stopObservingElement(this.element)}else{this.eventHandler=OpenLayers.Function.bindAsEventListener(this.handleBrowserEvent,this);this.clearMouseListener=OpenLayers.Function.bind(this.clearMouseCache,this)}this.element=element;var msTouch=!!window.navigator.msMaxTouchPoints;var type;for(var i=0,len=this.BROWSER_EVENTS.length;i<len;i++){type=this.BROWSER_EVENTS[i];OpenLayers.Event.observe(element,type,this.eventHandler);if(msTouch&&type.indexOf("touch")===0){this.addMsTouchListener(element,type,this.eventHandler)}}OpenLayers.Event.observe(element,"dragstart",OpenLayers.Event.stop)},on:function(object){for(var type in object){if(type!="scope"&&object.hasOwnProperty(type)){this.register(type,object.scope,object[type])}}},register:function(type,obj,func,priority){if(type in OpenLayers.Events&&!this.extensions[type]){this.extensions[type]=new OpenLayers.Events[type](this)}if(func!=null){if(obj==null){obj=this.object}var listeners=this.listeners[type];if(!listeners){listeners=[];this.listeners[type]=listeners;this.extensionCount[type]=0}var listener={obj:obj,func:func};if(priority){listeners.splice(this.extensionCount[type],0,listener);if(typeof priority==="object"&&priority.extension){this.extensionCount[type]++}}else{listeners.push(listener)}}},registerPriority:function(type,obj,func){this.register(type,obj,func,true)},un:function(object){for(var type in object){if(type!="scope"&&object.hasOwnProperty(type)){this.unregister(type,object.scope,object[type])}}},unregister:function(type,obj,func){if(obj==null){obj=this.object}var listeners=this.listeners[type];if(listeners!=null){for(var i=0,len=listeners.length;i<len;i++){if(listeners[i].obj==obj&&listeners[i].func==func){listeners.splice(i,1);break}}}},remove:function(type){if(this.listeners[type]!=null){this.listeners[type]=[]}},triggerEvent:function(type,evt){var listeners=this.listeners[type];if(!listeners||listeners.length==0){return undefined}if(evt==null){evt={}}evt.object=this.object;evt.element=this.element;if(!evt.type){evt.type=type}listeners=listeners.slice();var continueChain;for(var i=0,len=listeners.length;i<len;i++){var callback=listeners[i];continueChain=callback.func.apply(callback.obj,[evt]);if(continueChain!=undefined&&continueChain==false){break}}if(!this.fallThrough){OpenLayers.Event.stop(evt,true)}return continueChain},handleBrowserEvent:function(evt){var type=evt.type,listeners=this.listeners[type];if(!listeners||listeners.length==0){return}var touches=evt.touches;if(touches&&touches[0]){var x=0;var y=0;var num=touches.length;var touch;for(var i=0;i<num;++i){touch=this.getTouchClientXY(touches[i]);x+=touch.clientX;y+=touch.clientY}evt.clientX=x/num;evt.clientY=y/num}if(this.includeXY){evt.xy=this.getMousePosition(evt)}this.triggerEvent(type,evt)},getTouchClientXY:function(evt){var win=window.olMockWin||window,winPageX=win.pageXOffset,winPageY=win.pageYOffset,x=evt.clientX,y=evt.clientY;if(evt.pageY===0&&Math.floor(y)>Math.floor(evt.pageY)||evt.pageX===0&&Math.floor(x)>Math.floor(evt.pageX)){x=x-winPageX;y=y-winPageY}else if(y<evt.pageY-winPageY||x<evt.pageX-winPageX){x=evt.pageX-winPageX;y=evt.pageY-winPageY}evt.olClientX=x;evt.olClientY=y;return{clientX:x,clientY:y}},clearMouseCache:function(){this.element.scrolls=null;this.element.lefttop=null;this.element.offsets=null},getMousePosition:function(evt){if(!this.includeXY){this.clearMouseCache()}else if(!this.element.hasScrollEvent){OpenLayers.Event.observe(window,"scroll",this.clearMouseListener);this.element.hasScrollEvent=true}if(!this.element.scrolls){var viewportElement=OpenLayers.Util.getViewportElement();this.element.scrolls=[window.pageXOffset||viewportElement.scrollLeft,window.pageYOffset||viewportElement.scrollTop]}if(!this.element.lefttop){this.element.lefttop=[document.documentElement.clientLeft||0,document.documentElement.clientTop||0]}if(!this.element.offsets){this.element.offsets=OpenLayers.Util.pagePosition(this.element)}return new OpenLayers.Pixel(evt.clientX+this.element.scrolls[0]-this.element.offsets[0]-this.element.lefttop[0],evt.clientY+this.element.scrolls[1]-this.element.offsets[1]-this.element.lefttop[1])},addMsTouchListener:function(element,type,handler){var eventHandler=this.eventHandler;var touches=this._msTouches;function msHandler(evt){handler(OpenLayers.Util.applyDefaults({stopPropagation:function(){for(var i=touches.length-1;i>=0;--i){touches[i].stopPropagation()}},preventDefault:function(){for(var i=touches.length-1;i>=0;--i){touches[i].preventDefault()}},type:type},evt))}switch(type){case"touchstart":return this.addMsTouchListenerStart(element,type,msHandler);case"touchend":return this.addMsTouchListenerEnd(element,type,msHandler);case"touchmove":return this.addMsTouchListenerMove(element,type,msHandler);default:throw"Unknown touch event type"}},addMsTouchListenerStart:function(element,type,handler){var touches=this._msTouches;var cb=function(e){var alreadyInArray=false;for(var i=0,ii=touches.length;i<ii;++i){if(touches[i].pointerId==e.pointerId){alreadyInArray=true;break}}if(!alreadyInArray){touches.push(e)}e.touches=touches.slice();handler(e)};OpenLayers.Event.observe(element,"MSPointerDown",cb);var internalCb=function(e){for(var i=0,ii=touches.length;i<ii;++i){if(touches[i].pointerId==e.pointerId){touches.splice(i,1);break}}};OpenLayers.Event.observe(element,"MSPointerUp",internalCb)},addMsTouchListenerMove:function(element,type,handler){var touches=this._msTouches;var cb=function(e){if(e.pointerType==e.MSPOINTER_TYPE_MOUSE&&e.buttons==0){return}if(touches.length==1&&touches[0].pageX==e.pageX&&touches[0].pageY==e.pageY){return}for(var i=0,ii=touches.length;i<ii;++i){if(touches[i].pointerId==e.pointerId){touches[i]=e;break}}e.touches=touches.slice();handler(e)};OpenLayers.Event.observe(element,"MSPointerMove",cb)},addMsTouchListenerEnd:function(element,type,handler){var touches=this._msTouches;var cb=function(e){for(var i=0,ii=touches.length;i<ii;++i){if(touches[i].pointerId==e.pointerId){touches.splice(i,1);break}}e.touches=touches.slice();handler(e)};OpenLayers.Event.observe(element,"MSPointerUp",cb)},CLASS_NAME:"OpenLayers.Events"});OpenLayers.Animation=function(window){var requestAnimationFrame=OpenLayers.Util.vendorPrefix.js(window,"requestAnimationFrame");var isNative=!!requestAnimationFrame;var requestFrame=function(){var request=window[requestAnimationFrame]||function(callback,element){window.setTimeout(callback,16)};return function(callback,element){request.apply(window,[callback,element])}}();var counter=0;var loops={};function start(callback,duration,element){duration=duration>0?duration:Number.POSITIVE_INFINITY;var id=++counter;var start=+new Date;loops[id]=function(){if(loops[id]&&+new Date-start<=duration){callback();if(loops[id]){requestFrame(loops[id],element)}}else{delete loops[id]}};requestFrame(loops[id],element);return id}function stop(id){delete loops[id]}return{isNative:isNative,requestFrame:requestFrame,start:start,stop:stop}}(window);OpenLayers.Tween=OpenLayers.Class({easing:null,begin:null,finish:null,duration:null,callbacks:null,time:null,minFrameRate:null,startTime:null,animationId:null,playing:false,initialize:function(easing){this.easing=easing?easing:OpenLayers.Easing.Expo.easeOut},start:function(begin,finish,duration,options){this.playing=true;this.begin=begin;this.finish=finish;this.duration=duration;this.callbacks=options.callbacks;this.minFrameRate=options.minFrameRate||30;this.time=0;this.startTime=(new Date).getTime();OpenLayers.Animation.stop(this.animationId);this.animationId=null;if(this.callbacks&&this.callbacks.start){this.callbacks.start.call(this,this.begin)}this.animationId=OpenLayers.Animation.start(OpenLayers.Function.bind(this.play,this))},stop:function(){if(!this.playing){return}if(this.callbacks&&this.callbacks.done){this.callbacks.done.call(this,this.finish)}OpenLayers.Animation.stop(this.animationId);this.animationId=null;this.playing=false},play:function(){var value={};for(var i in this.begin){var b=this.begin[i];var f=this.finish[i];if(b==null||f==null||isNaN(b)||isNaN(f)){throw new TypeError("invalid value for Tween")}var c=f-b;value[i]=this.easing.apply(this,[this.time,b,c,this.duration])}this.time++;if(this.callbacks&&this.callbacks.eachStep){if(((new Date).getTime()-this.startTime)/this.time<=1e3/this.minFrameRate){this.callbacks.eachStep.call(this,value)}}if(this.time>this.duration){this.stop()}},CLASS_NAME:"OpenLayers.Tween"});OpenLayers.Easing={CLASS_NAME:"OpenLayers.Easing"};OpenLayers.Easing.Linear={easeIn:function(t,b,c,d){return c*t/d+b},easeOut:function(t,b,c,d){return c*t/d+b},easeInOut:function(t,b,c,d){return c*t/d+b},CLASS_NAME:"OpenLayers.Easing.Linear"};OpenLayers.Easing.Expo={easeIn:function(t,b,c,d){return t==0?b:c*Math.pow(2,10*(t/d-1))+b},easeOut:function(t,b,c,d){return t==d?b+c:c*(-Math.pow(2,-10*t/d)+1)+b},easeInOut:function(t,b,c,d){if(t==0)return b;if(t==d)return b+c;if((t/=d/2)<1)return c/2*Math.pow(2,10*(t-1))+b;return c/2*(-Math.pow(2,-10*--t)+2)+b},CLASS_NAME:"OpenLayers.Easing.Expo"};OpenLayers.Easing.Quad={easeIn:function(t,b,c,d){return c*(t/=d)*t+b},easeOut:function(t,b,c,d){return-c*(t/=d)*(t-2)+b},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return c/2*t*t+b;return-c/2*(--t*(t-2)-1)+b},CLASS_NAME:"OpenLayers.Easing.Quad"};OpenLayers.Projection=OpenLayers.Class({proj:null,projCode:null,titleRegEx:/\+title=[^\+]*/,initialize:function(projCode,options){OpenLayers.Util.extend(this,options);this.projCode=projCode;if(typeof Proj4js=="object"){this.proj=new Proj4js.Proj(projCode)}},getCode:function(){return this.proj?this.proj.srsCode:this.projCode},getUnits:function(){return this.proj?this.proj.units:null},toString:function(){return this.getCode()},equals:function(projection){var p=projection,equals=false;if(p){if(!(p instanceof OpenLayers.Projection)){p=new OpenLayers.Projection(p)}if(typeof Proj4js=="object"&&this.proj.defData&&p.proj.defData){equals=this.proj.defData.replace(this.titleRegEx,"")==p.proj.defData.replace(this.titleRegEx,"")}else if(p.getCode){var source=this.getCode(),target=p.getCode();equals=source==target||!!OpenLayers.Projection.transforms[source]&&OpenLayers.Projection.transforms[source][target]===OpenLayers.Projection.nullTransform}}return equals},destroy:function(){delete this.proj;delete this.projCode},CLASS_NAME:"OpenLayers.Projection"});OpenLayers.Projection.transforms={};OpenLayers.Projection.defaults={"EPSG:4326":{units:"degrees",maxExtent:[-180,-90,180,90],yx:true},"CRS:84":{units:"degrees",maxExtent:[-180,-90,180,90]},"EPSG:900913":{units:"m",maxExtent:[-20037508.34,-20037508.34,20037508.34,20037508.34]}};OpenLayers.Projection.addTransform=function(from,to,method){if(method===OpenLayers.Projection.nullTransform){var defaults=OpenLayers.Projection.defaults[from];if(defaults&&!OpenLayers.Projection.defaults[to]){OpenLayers.Projection.defaults[to]=defaults}}if(!OpenLayers.Projection.transforms[from]){OpenLayers.Projection.transforms[from]={}}OpenLayers.Projection.transforms[from][to]=method};OpenLayers.Projection.transform=function(point,source,dest){if(source&&dest){if(!(source instanceof OpenLayers.Projection)){source=new OpenLayers.Projection(source)}if(!(dest instanceof OpenLayers.Projection)){dest=new OpenLayers.Projection(dest)}if(source.proj&&dest.proj){point=Proj4js.transform(source.proj,dest.proj,point)}else{var sourceCode=source.getCode();var destCode=dest.getCode();var transforms=OpenLayers.Projection.transforms;if(transforms[sourceCode]&&transforms[sourceCode][destCode]){transforms[sourceCode][destCode](point)}}}return point};OpenLayers.Projection.nullTransform=function(point){return point};(function(){var pole=20037508.34;function inverseMercator(xy){xy.x=180*xy.x/pole;xy.y=180/Math.PI*(2*Math.atan(Math.exp(xy.y/pole*Math.PI))-Math.PI/2);return xy}function forwardMercator(xy){xy.x=xy.x*pole/180;var y=Math.log(Math.tan((90+xy.y)*Math.PI/360))/Math.PI*pole;xy.y=Math.max(-20037508.34,Math.min(y,20037508.34));return xy}function map(base,codes){var add=OpenLayers.Projection.addTransform;var same=OpenLayers.Projection.nullTransform;var i,len,code,other,j;for(i=0,len=codes.length;i<len;++i){code=codes[i];add(base,code,forwardMercator);add(code,base,inverseMercator);for(j=i+1;j<len;++j){other=codes[j];add(code,other,same);add(other,code,same)}}}var mercator=["EPSG:900913","EPSG:3857","EPSG:102113","EPSG:102100"],geographic=["CRS:84","urn:ogc:def:crs:EPSG:6.6:4326","EPSG:4326"],i;for(i=mercator.length-1;i>=0;--i){map(mercator[i],geographic)}for(i=geographic.length-1;i>=0;--i){map(geographic[i],mercator)}})();OpenLayers.Map=OpenLayers.Class({Z_INDEX_BASE:{BaseLayer:100,Overlay:325,Feature:725,Popup:750,Control:1e3},id:null,fractionalZoom:false,events:null,allOverlays:false,div:null,dragging:false,size:null,viewPortDiv:null,layerContainerOrigin:null,layerContainerDiv:null,layers:null,controls:null,popups:null,baseLayer:null,center:null,resolution:null,zoom:0,panRatio:1.5,options:null,tileSize:null,projection:"EPSG:4326",units:null,resolutions:null,maxResolution:null,minResolution:null,maxScale:null,minScale:null,maxExtent:null,minExtent:null,restrictedExtent:null,numZoomLevels:16,theme:null,displayProjection:null,fallThrough:false,autoUpdateSize:true,eventListeners:null,panTween:null,panMethod:OpenLayers.Easing.Expo.easeOut,panDuration:50,zoomTween:null,zoomMethod:OpenLayers.Easing.Quad.easeOut,zoomDuration:20,paddingForPopups:null,layerContainerOriginPx:null,minPx:null,maxPx:null,initialize:function(div,options){if(arguments.length===1&&typeof div==="object"){options=div;div=options&&options.div}this.tileSize=new OpenLayers.Size(OpenLayers.Map.TILE_WIDTH,OpenLayers.Map.TILE_HEIGHT);this.paddingForPopups=new OpenLayers.Bounds(15,15,15,15);this.theme=OpenLayers._getScriptLocation()+"theme/default/style.css";this.options=OpenLayers.Util.extend({},options);OpenLayers.Util.extend(this,options);var projCode=this.projection instanceof OpenLayers.Projection?this.projection.projCode:this.projection;OpenLayers.Util.applyDefaults(this,OpenLayers.Projection.defaults[projCode]);if(this.maxExtent&&!(this.maxExtent instanceof OpenLayers.Bounds)){this.maxExtent=new OpenLayers.Bounds(this.maxExtent)}if(this.minExtent&&!(this.minExtent instanceof OpenLayers.Bounds)){this.minExtent=new OpenLayers.Bounds(this.minExtent)}if(this.restrictedExtent&&!(this.restrictedExtent instanceof OpenLayers.Bounds)){this.restrictedExtent=new OpenLayers.Bounds(this.restrictedExtent)}if(this.center&&!(this.center instanceof OpenLayers.LonLat)){this.center=new OpenLayers.LonLat(this.center)}this.layers=[];this.id=OpenLayers.Util.createUniqueID("OpenLayers.Map_");this.div=OpenLayers.Util.getElement(div);if(!this.div){this.div=document.createElement("div");this.div.style.height="1px";this.div.style.width="1px"}OpenLayers.Element.addClass(this.div,"olMap");var id=this.id+"_OpenLayers_ViewPort";this.viewPortDiv=OpenLayers.Util.createDiv(id,null,null,null,"relative",null,"hidden");this.viewPortDiv.style.width="100%";this.viewPortDiv.style.height="100%";this.viewPortDiv.className="olMapViewport";this.div.appendChild(this.viewPortDiv);this.events=new OpenLayers.Events(this,this.viewPortDiv,null,this.fallThrough,{includeXY:true});if(OpenLayers.TileManager&&this.tileManager!==null){if(!(this.tileManager instanceof OpenLayers.TileManager)){this.tileManager=new OpenLayers.TileManager(this.tileManager)}this.tileManager.addMap(this)}id=this.id+"_OpenLayers_Container";this.layerContainerDiv=OpenLayers.Util.createDiv(id);this.layerContainerDiv.style.zIndex=this.Z_INDEX_BASE["Popup"]-1;this.layerContainerOriginPx={x:0,y:0};this.applyTransform();this.viewPortDiv.appendChild(this.layerContainerDiv);this.updateSize();if(this.eventListeners instanceof Object){this.events.on(this.eventListeners)}if(this.autoUpdateSize===true){this.updateSizeDestroy=OpenLayers.Function.bind(this.updateSize,this);OpenLayers.Event.observe(window,"resize",this.updateSizeDestroy)}if(this.theme){var addNode=true;var nodes=document.getElementsByTagName("link");for(var i=0,len=nodes.length;i<len;++i){if(OpenLayers.Util.isEquivalentUrl(nodes.item(i).href,this.theme)){
addNode=false;break}}if(addNode){var cssNode=document.createElement("link");cssNode.setAttribute("rel","stylesheet");cssNode.setAttribute("type","text/css");cssNode.setAttribute("href",this.theme);document.getElementsByTagName("head")[0].appendChild(cssNode)}}if(this.controls==null){this.controls=[];if(OpenLayers.Control!=null){if(OpenLayers.Control.Navigation){this.controls.push(new OpenLayers.Control.Navigation)}else if(OpenLayers.Control.TouchNavigation){this.controls.push(new OpenLayers.Control.TouchNavigation)}if(OpenLayers.Control.Zoom){this.controls.push(new OpenLayers.Control.Zoom)}else if(OpenLayers.Control.PanZoom){this.controls.push(new OpenLayers.Control.PanZoom)}if(OpenLayers.Control.ArgParser){this.controls.push(new OpenLayers.Control.ArgParser)}if(OpenLayers.Control.Attribution){this.controls.push(new OpenLayers.Control.Attribution)}}}for(var i=0,len=this.controls.length;i<len;i++){this.addControlToMap(this.controls[i])}this.popups=[];this.unloadDestroy=OpenLayers.Function.bind(this.destroy,this);OpenLayers.Event.observe(window,"unload",this.unloadDestroy);if(options&&options.layers){delete this.center;delete this.zoom;this.addLayers(options.layers);if(options.center&&!this.getCenter()){this.setCenter(options.center,options.zoom)}}if(this.panMethod){this.panTween=new OpenLayers.Tween(this.panMethod)}if(this.zoomMethod&&this.applyTransform.transform){this.zoomTween=new OpenLayers.Tween(this.zoomMethod)}},getViewport:function(){return this.viewPortDiv},render:function(div){this.div=OpenLayers.Util.getElement(div);OpenLayers.Element.addClass(this.div,"olMap");this.viewPortDiv.parentNode.removeChild(this.viewPortDiv);this.div.appendChild(this.viewPortDiv);this.updateSize()},unloadDestroy:null,updateSizeDestroy:null,destroy:function(){if(!this.unloadDestroy){return false}if(this.panTween){this.panTween.stop();this.panTween=null}if(this.zoomTween){this.zoomTween.stop();this.zoomTween=null}OpenLayers.Event.stopObserving(window,"unload",this.unloadDestroy);this.unloadDestroy=null;if(this.updateSizeDestroy){OpenLayers.Event.stopObserving(window,"resize",this.updateSizeDestroy)}this.paddingForPopups=null;if(this.controls!=null){for(var i=this.controls.length-1;i>=0;--i){this.controls[i].destroy()}this.controls=null}if(this.layers!=null){for(var i=this.layers.length-1;i>=0;--i){this.layers[i].destroy(false)}this.layers=null}if(this.viewPortDiv&&this.viewPortDiv.parentNode){this.viewPortDiv.parentNode.removeChild(this.viewPortDiv)}this.viewPortDiv=null;if(this.tileManager){this.tileManager.removeMap(this);this.tileManager=null}if(this.eventListeners){this.events.un(this.eventListeners);this.eventListeners=null}this.events.destroy();this.events=null;this.options=null},setOptions:function(options){var updatePxExtent=this.minPx&&options.restrictedExtent!=this.restrictedExtent;OpenLayers.Util.extend(this,options);updatePxExtent&&this.moveTo(this.getCachedCenter(),this.zoom,{forceZoomChange:true})},getTileSize:function(){return this.tileSize},getBy:function(array,property,match){var test=typeof match.test=="function";var found=OpenLayers.Array.filter(this[array],function(item){return item[property]==match||test&&match.test(item[property])});return found},getLayersBy:function(property,match){return this.getBy("layers",property,match)},getLayersByName:function(match){return this.getLayersBy("name",match)},getLayersByClass:function(match){return this.getLayersBy("CLASS_NAME",match)},getControlsBy:function(property,match){return this.getBy("controls",property,match)},getControlsByClass:function(match){return this.getControlsBy("CLASS_NAME",match)},getLayer:function(id){var foundLayer=null;for(var i=0,len=this.layers.length;i<len;i++){var layer=this.layers[i];if(layer.id==id){foundLayer=layer;break}}return foundLayer},setLayerZIndex:function(layer,zIdx){layer.setZIndex(this.Z_INDEX_BASE[layer.isBaseLayer?"BaseLayer":"Overlay"]+zIdx*5)},resetLayersZIndex:function(){for(var i=0,len=this.layers.length;i<len;i++){var layer=this.layers[i];this.setLayerZIndex(layer,i)}},addLayer:function(layer){for(var i=0,len=this.layers.length;i<len;i++){if(this.layers[i]==layer){return false}}if(this.events.triggerEvent("preaddlayer",{layer:layer})===false){return false}if(this.allOverlays){layer.isBaseLayer=false}layer.div.className="olLayerDiv";layer.div.style.overflow="";this.setLayerZIndex(layer,this.layers.length);if(layer.isFixed){this.viewPortDiv.appendChild(layer.div)}else{this.layerContainerDiv.appendChild(layer.div)}this.layers.push(layer);layer.setMap(this);if(layer.isBaseLayer||this.allOverlays&&!this.baseLayer){if(this.baseLayer==null){this.setBaseLayer(layer)}else{layer.setVisibility(false)}}else{layer.redraw()}this.events.triggerEvent("addlayer",{layer:layer});layer.events.triggerEvent("added",{map:this,layer:layer});layer.afterAdd();return true},addLayers:function(layers){for(var i=0,len=layers.length;i<len;i++){this.addLayer(layers[i])}},removeLayer:function(layer,setNewBaseLayer){if(this.events.triggerEvent("preremovelayer",{layer:layer})===false){return}if(setNewBaseLayer==null){setNewBaseLayer=true}if(layer.isFixed){this.viewPortDiv.removeChild(layer.div)}else{this.layerContainerDiv.removeChild(layer.div)}OpenLayers.Util.removeItem(this.layers,layer);layer.removeMap(this);layer.map=null;if(this.baseLayer==layer){this.baseLayer=null;if(setNewBaseLayer){for(var i=0,len=this.layers.length;i<len;i++){var iLayer=this.layers[i];if(iLayer.isBaseLayer||this.allOverlays){this.setBaseLayer(iLayer);break}}}}this.resetLayersZIndex();this.events.triggerEvent("removelayer",{layer:layer});layer.events.triggerEvent("removed",{map:this,layer:layer})},getNumLayers:function(){return this.layers.length},getLayerIndex:function(layer){return OpenLayers.Util.indexOf(this.layers,layer)},setLayerIndex:function(layer,idx){var base=this.getLayerIndex(layer);if(idx<0){idx=0}else if(idx>this.layers.length){idx=this.layers.length}if(base!=idx){this.layers.splice(base,1);this.layers.splice(idx,0,layer);for(var i=0,len=this.layers.length;i<len;i++){this.setLayerZIndex(this.layers[i],i)}this.events.triggerEvent("changelayer",{layer:layer,property:"order"});if(this.allOverlays){if(idx===0){this.setBaseLayer(layer)}else if(this.baseLayer!==this.layers[0]){this.setBaseLayer(this.layers[0])}}}},raiseLayer:function(layer,delta){var idx=this.getLayerIndex(layer)+delta;this.setLayerIndex(layer,idx)},setBaseLayer:function(newBaseLayer){if(newBaseLayer!=this.baseLayer){if(OpenLayers.Util.indexOf(this.layers,newBaseLayer)!=-1){var center=this.getCachedCenter();var newResolution=OpenLayers.Util.getResolutionFromScale(this.getScale(),newBaseLayer.units);if(this.baseLayer!=null&&!this.allOverlays){this.baseLayer.setVisibility(false)}this.baseLayer=newBaseLayer;if(!this.allOverlays||this.baseLayer.visibility){this.baseLayer.setVisibility(true);if(this.baseLayer.inRange===false){this.baseLayer.redraw()}}if(center!=null){var newZoom=this.getZoomForResolution(newResolution||this.resolution,true);this.setCenter(center,newZoom,false,true)}this.events.triggerEvent("changebaselayer",{layer:this.baseLayer})}}},addControl:function(control,px){this.controls.push(control);this.addControlToMap(control,px)},addControls:function(controls,pixels){var pxs=arguments.length===1?[]:pixels;for(var i=0,len=controls.length;i<len;i++){var ctrl=controls[i];var px=pxs[i]?pxs[i]:null;this.addControl(ctrl,px)}},addControlToMap:function(control,px){control.outsideViewport=control.div!=null;if(this.displayProjection&&!control.displayProjection){control.displayProjection=this.displayProjection}control.setMap(this);var div=control.draw(px);if(div){if(!control.outsideViewport){div.style.zIndex=this.Z_INDEX_BASE["Control"]+this.controls.length;this.viewPortDiv.appendChild(div)}}if(control.autoActivate){control.activate()}},getControl:function(id){var returnControl=null;for(var i=0,len=this.controls.length;i<len;i++){var control=this.controls[i];if(control.id==id){returnControl=control;break}}return returnControl},removeControl:function(control){if(control&&control==this.getControl(control.id)){if(control.div&&control.div.parentNode==this.viewPortDiv){this.viewPortDiv.removeChild(control.div)}OpenLayers.Util.removeItem(this.controls,control)}},addPopup:function(popup,exclusive){if(exclusive){for(var i=this.popups.length-1;i>=0;--i){this.removePopup(this.popups[i])}}popup.map=this;this.popups.push(popup);var popupDiv=popup.draw();if(popupDiv){popupDiv.style.zIndex=this.Z_INDEX_BASE["Popup"]+this.popups.length;this.layerContainerDiv.appendChild(popupDiv)}},removePopup:function(popup){OpenLayers.Util.removeItem(this.popups,popup);if(popup.div){try{this.layerContainerDiv.removeChild(popup.div)}catch(e){}}popup.map=null},getSize:function(){var size=null;if(this.size!=null){size=this.size.clone()}return size},updateSize:function(){var newSize=this.getCurrentSize();if(newSize&&!isNaN(newSize.h)&&!isNaN(newSize.w)){this.events.clearMouseCache();var oldSize=this.getSize();if(oldSize==null){this.size=oldSize=newSize}if(!newSize.equals(oldSize)){this.size=newSize;for(var i=0,len=this.layers.length;i<len;i++){this.layers[i].onMapResize()}var center=this.getCachedCenter();if(this.baseLayer!=null&&center!=null){var zoom=this.getZoom();this.zoom=null;this.setCenter(center,zoom)}}}this.events.triggerEvent("updatesize")},getCurrentSize:function(){var size=new OpenLayers.Size(this.div.clientWidth,this.div.clientHeight);if(size.w==0&&size.h==0||isNaN(size.w)&&isNaN(size.h)){size.w=this.div.offsetWidth;size.h=this.div.offsetHeight}if(size.w==0&&size.h==0||isNaN(size.w)&&isNaN(size.h)){size.w=parseInt(this.div.style.width);size.h=parseInt(this.div.style.height)}return size},calculateBounds:function(center,resolution){var extent=null;if(center==null){center=this.getCachedCenter()}if(resolution==null){resolution=this.getResolution()}if(center!=null&&resolution!=null){var halfWDeg=this.size.w*resolution/2;var halfHDeg=this.size.h*resolution/2;extent=new OpenLayers.Bounds(center.lon-halfWDeg,center.lat-halfHDeg,center.lon+halfWDeg,center.lat+halfHDeg)}return extent},getCenter:function(){var center=null;var cachedCenter=this.getCachedCenter();if(cachedCenter){center=cachedCenter.clone()}return center},getCachedCenter:function(){if(!this.center&&this.size){this.center=this.getLonLatFromViewPortPx({x:this.size.w/2,y:this.size.h/2})}return this.center},getZoom:function(){return this.zoom},pan:function(dx,dy,options){options=OpenLayers.Util.applyDefaults(options,{animate:true,dragging:false});if(options.dragging){if(dx!=0||dy!=0){this.moveByPx(dx,dy)}}else{var centerPx=this.getViewPortPxFromLonLat(this.getCachedCenter());var newCenterPx=centerPx.add(dx,dy);if(this.dragging||!newCenterPx.equals(centerPx)){var newCenterLonLat=this.getLonLatFromViewPortPx(newCenterPx);if(options.animate){this.panTo(newCenterLonLat)}else{this.moveTo(newCenterLonLat);if(this.dragging){this.dragging=false;this.events.triggerEvent("moveend")}}}}},panTo:function(lonlat){if(this.panTween&&this.getExtent().scale(this.panRatio).containsLonLat(lonlat)){var center=this.getCachedCenter();if(lonlat.equals(center)){return}var from=this.getPixelFromLonLat(center);var to=this.getPixelFromLonLat(lonlat);var vector={x:to.x-from.x,y:to.y-from.y};var last={x:0,y:0};this.panTween.start({x:0,y:0},vector,this.panDuration,{callbacks:{eachStep:OpenLayers.Function.bind(function(px){var x=px.x-last.x,y=px.y-last.y;this.moveByPx(x,y);last.x=Math.round(px.x);last.y=Math.round(px.y)},this),done:OpenLayers.Function.bind(function(px){this.moveTo(lonlat);this.dragging=false;this.events.triggerEvent("moveend")},this)}})}else{this.setCenter(lonlat)}},setCenter:function(lonlat,zoom,dragging,forceZoomChange){if(this.panTween){this.panTween.stop()}if(this.zoomTween){this.zoomTween.stop()}this.moveTo(lonlat,zoom,{dragging:dragging,forceZoomChange:forceZoomChange})},moveByPx:function(dx,dy){var hw=this.size.w/2;var hh=this.size.h/2;var x=hw+dx;var y=hh+dy;var wrapDateLine=this.baseLayer.wrapDateLine;var xRestriction=0;var yRestriction=0;if(this.restrictedExtent){xRestriction=hw;yRestriction=hh;wrapDateLine=false}dx=wrapDateLine||x<=this.maxPx.x-xRestriction&&x>=this.minPx.x+xRestriction?Math.round(dx):0;dy=y<=this.maxPx.y-yRestriction&&y>=this.minPx.y+yRestriction?Math.round(dy):0;if(dx||dy){if(!this.dragging){this.dragging=true;this.events.triggerEvent("movestart")}this.center=null;if(dx){this.layerContainerOriginPx.x-=dx;this.minPx.x-=dx;this.maxPx.x-=dx}if(dy){this.layerContainerOriginPx.y-=dy;this.minPx.y-=dy;this.maxPx.y-=dy}this.applyTransform();var layer,i,len;for(i=0,len=this.layers.length;i<len;++i){layer=this.layers[i];if(layer.visibility&&(layer===this.baseLayer||layer.inRange)){layer.moveByPx(dx,dy);layer.events.triggerEvent("move")}}this.events.triggerEvent("move")}},adjustZoom:function(zoom){if(this.baseLayer&&this.baseLayer.wrapDateLine){var resolution,resolutions=this.baseLayer.resolutions,maxResolution=this.getMaxExtent().getWidth()/this.size.w;if(this.getResolutionForZoom(zoom)>maxResolution){if(this.fractionalZoom){zoom=this.getZoomForResolution(maxResolution)}else{for(var i=zoom|0,ii=resolutions.length;i<ii;++i){if(resolutions[i]<=maxResolution){zoom=i;break}}}}}return zoom},getMinZoom:function(){return this.adjustZoom(0)},moveTo:function(lonlat,zoom,options){if(lonlat!=null&&!(lonlat instanceof OpenLayers.LonLat)){lonlat=new OpenLayers.LonLat(lonlat)}if(!options){options={}}if(zoom!=null){zoom=parseFloat(zoom);if(!this.fractionalZoom){zoom=Math.round(zoom)}}var requestedZoom=zoom;zoom=this.adjustZoom(zoom);if(zoom!==requestedZoom){lonlat=this.getCenter()}var dragging=options.dragging||this.dragging;var forceZoomChange=options.forceZoomChange;if(!this.getCachedCenter()&&!this.isValidLonLat(lonlat)){lonlat=this.maxExtent.getCenterLonLat();this.center=lonlat.clone()}if(this.restrictedExtent!=null){if(lonlat==null){lonlat=this.center}if(zoom==null){zoom=this.getZoom()}var resolution=this.getResolutionForZoom(zoom);var extent=this.calculateBounds(lonlat,resolution);if(!this.restrictedExtent.containsBounds(extent)){var maxCenter=this.restrictedExtent.getCenterLonLat();if(extent.getWidth()>this.restrictedExtent.getWidth()){lonlat=new OpenLayers.LonLat(maxCenter.lon,lonlat.lat)}else if(extent.left<this.restrictedExtent.left){lonlat=lonlat.add(this.restrictedExtent.left-extent.left,0)}else if(extent.right>this.restrictedExtent.right){lonlat=lonlat.add(this.restrictedExtent.right-extent.right,0)}if(extent.getHeight()>this.restrictedExtent.getHeight()){lonlat=new OpenLayers.LonLat(lonlat.lon,maxCenter.lat)}else if(extent.bottom<this.restrictedExtent.bottom){lonlat=lonlat.add(0,this.restrictedExtent.bottom-extent.bottom)}else if(extent.top>this.restrictedExtent.top){lonlat=lonlat.add(0,this.restrictedExtent.top-extent.top)}}}var zoomChanged=forceZoomChange||this.isValidZoomLevel(zoom)&&zoom!=this.getZoom();var centerChanged=this.isValidLonLat(lonlat)&&!lonlat.equals(this.center);if(zoomChanged||centerChanged||dragging){dragging||this.events.triggerEvent("movestart",{zoomChanged:zoomChanged});if(centerChanged){if(!zoomChanged&&this.center){this.centerLayerContainer(lonlat)}this.center=lonlat.clone()}var res=zoomChanged?this.getResolutionForZoom(zoom):this.getResolution();if(zoomChanged||this.layerContainerOrigin==null){this.layerContainerOrigin=this.getCachedCenter();this.layerContainerOriginPx.x=0;this.layerContainerOriginPx.y=0;this.applyTransform();var maxExtent=this.getMaxExtent({restricted:true});var maxExtentCenter=maxExtent.getCenterLonLat();var lonDelta=this.center.lon-maxExtentCenter.lon;var latDelta=maxExtentCenter.lat-this.center.lat;var extentWidth=Math.round(maxExtent.getWidth()/res);var extentHeight=Math.round(maxExtent.getHeight()/res);this.minPx={x:(this.size.w-extentWidth)/2-lonDelta/res,y:(this.size.h-extentHeight)/2-latDelta/res};this.maxPx={x:this.minPx.x+Math.round(maxExtent.getWidth()/res),y:this.minPx.y+Math.round(maxExtent.getHeight()/res)}}if(zoomChanged){this.zoom=zoom;this.resolution=res}var bounds=this.getExtent();if(this.baseLayer.visibility){this.baseLayer.moveTo(bounds,zoomChanged,options.dragging);options.dragging||this.baseLayer.events.triggerEvent("moveend",{zoomChanged:zoomChanged})}bounds=this.baseLayer.getExtent();for(var i=this.layers.length-1;i>=0;--i){var layer=this.layers[i];if(layer!==this.baseLayer&&!layer.isBaseLayer){var inRange=layer.calculateInRange();if(layer.inRange!=inRange){layer.inRange=inRange;if(!inRange){layer.display(false)}this.events.triggerEvent("changelayer",{layer:layer,property:"visibility"})}if(inRange&&layer.visibility){layer.moveTo(bounds,zoomChanged,options.dragging);options.dragging||layer.events.triggerEvent("moveend",{zoomChanged:zoomChanged})}}}this.events.triggerEvent("move");dragging||this.events.triggerEvent("moveend");if(zoomChanged){for(var i=0,len=this.popups.length;i<len;i++){this.popups[i].updatePosition()}this.events.triggerEvent("zoomend")}}},centerLayerContainer:function(lonlat){var originPx=this.getViewPortPxFromLonLat(this.layerContainerOrigin);var newPx=this.getViewPortPxFromLonLat(lonlat);if(originPx!=null&&newPx!=null){var oldLeft=this.layerContainerOriginPx.x;var oldTop=this.layerContainerOriginPx.y;var newLeft=Math.round(originPx.x-newPx.x);var newTop=Math.round(originPx.y-newPx.y);this.applyTransform(this.layerContainerOriginPx.x=newLeft,this.layerContainerOriginPx.y=newTop);var dx=oldLeft-newLeft;var dy=oldTop-newTop;this.minPx.x-=dx;this.maxPx.x-=dx;this.minPx.y-=dy;this.maxPx.y-=dy}},isValidZoomLevel:function(zoomLevel){return zoomLevel!=null&&zoomLevel>=0&&zoomLevel<this.getNumZoomLevels()},isValidLonLat:function(lonlat){var valid=false;if(lonlat!=null){var maxExtent=this.getMaxExtent();var worldBounds=this.baseLayer.wrapDateLine&&maxExtent;valid=maxExtent.containsLonLat(lonlat,{worldBounds:worldBounds})}return valid},getProjection:function(){var projection=this.getProjectionObject();return projection?projection.getCode():null},getProjectionObject:function(){var projection=null;if(this.baseLayer!=null){projection=this.baseLayer.projection}return projection},getMaxResolution:function(){var maxResolution=null;if(this.baseLayer!=null){maxResolution=this.baseLayer.maxResolution}return maxResolution},getMaxExtent:function(options){var maxExtent=null;if(options&&options.restricted&&this.restrictedExtent){maxExtent=this.restrictedExtent}else if(this.baseLayer!=null){maxExtent=this.baseLayer.maxExtent}return maxExtent},getNumZoomLevels:function(){var numZoomLevels=null;if(this.baseLayer!=null){numZoomLevels=this.baseLayer.numZoomLevels}return numZoomLevels},getExtent:function(){var extent=null;if(this.baseLayer!=null){extent=this.baseLayer.getExtent()}return extent},getResolution:function(){var resolution=null;if(this.baseLayer!=null){resolution=this.baseLayer.getResolution()}else if(this.allOverlays===true&&this.layers.length>0){resolution=this.layers[0].getResolution()}return resolution},getUnits:function(){var units=null;if(this.baseLayer!=null){units=this.baseLayer.units}return units},getScale:function(){var scale=null;if(this.baseLayer!=null){var res=this.getResolution();var units=this.baseLayer.units;scale=OpenLayers.Util.getScaleFromResolution(res,units)}return scale},getZoomForExtent:function(bounds,closest){var zoom=null;if(this.baseLayer!=null){zoom=this.baseLayer.getZoomForExtent(bounds,closest)}return zoom},getResolutionForZoom:function(zoom){var resolution=null;if(this.baseLayer){resolution=this.baseLayer.getResolutionForZoom(zoom)}return resolution},getZoomForResolution:function(resolution,closest){var zoom=null;if(this.baseLayer!=null){zoom=this.baseLayer.getZoomForResolution(resolution,closest)}return zoom},zoomTo:function(zoom,xy){var map=this;if(map.isValidZoomLevel(zoom)){if(map.baseLayer.wrapDateLine){zoom=map.adjustZoom(zoom)}if(map.zoomTween){var currentRes=map.getResolution(),targetRes=map.getResolutionForZoom(zoom),start={scale:1},end={scale:currentRes/targetRes};if(map.zoomTween.playing&&map.zoomTween.duration<3*map.zoomDuration){map.zoomTween.finish={scale:map.zoomTween.finish.scale*end.scale}}else{if(!xy){var size=map.getSize();xy={x:size.w/2,y:size.h/2}}map.zoomTween.start(start,end,map.zoomDuration,{minFrameRate:50,callbacks:{eachStep:function(data){var containerOrigin=map.layerContainerOriginPx,scale=data.scale,dx=(scale-1)*(containerOrigin.x-xy.x)|0,dy=(scale-1)*(containerOrigin.y-xy.y)|0;map.applyTransform(containerOrigin.x+dx,containerOrigin.y+dy,scale)},done:function(data){map.applyTransform();var resolution=map.getResolution()/data.scale,zoom=map.getZoomForResolution(resolution,true);map.moveTo(map.getZoomTargetCenter(xy,resolution),zoom,true)}}})}}else{var center=xy?map.getZoomTargetCenter(xy,map.getResolutionForZoom(zoom)):null;map.setCenter(center,zoom)}}},zoomIn:function(){this.zoomTo(this.getZoom()+1)},zoomOut:function(){this.zoomTo(this.getZoom()-1)},zoomToExtent:function(bounds,closest){if(!(bounds instanceof OpenLayers.Bounds)){bounds=new OpenLayers.Bounds(bounds)}var center=bounds.getCenterLonLat();if(this.baseLayer.wrapDateLine){var maxExtent=this.getMaxExtent();bounds=bounds.clone();while(bounds.right<bounds.left){bounds.right+=maxExtent.getWidth()}center=bounds.getCenterLonLat().wrapDateLine(maxExtent)}this.setCenter(center,this.getZoomForExtent(bounds,closest))},zoomToMaxExtent:function(options){var restricted=options?options.restricted:true;var maxExtent=this.getMaxExtent({restricted:restricted});this.zoomToExtent(maxExtent)},zoomToScale:function(scale,closest){var res=OpenLayers.Util.getResolutionFromScale(scale,this.baseLayer.units);var halfWDeg=this.size.w*res/2;var halfHDeg=this.size.h*res/2;var center=this.getCachedCenter();var extent=new OpenLayers.Bounds(center.lon-halfWDeg,center.lat-halfHDeg,center.lon+halfWDeg,center.lat+halfHDeg);this.zoomToExtent(extent,closest)},getLonLatFromViewPortPx:function(viewPortPx){var lonlat=null;if(this.baseLayer!=null){lonlat=this.baseLayer.getLonLatFromViewPortPx(viewPortPx)}return lonlat},getViewPortPxFromLonLat:function(lonlat){var px=null;if(this.baseLayer!=null){px=this.baseLayer.getViewPortPxFromLonLat(lonlat)}return px},getZoomTargetCenter:function(xy,resolution){var lonlat=null,size=this.getSize(),deltaX=size.w/2-xy.x,deltaY=xy.y-size.h/2,zoomPoint=this.getLonLatFromPixel(xy);if(zoomPoint){lonlat=new OpenLayers.LonLat(zoomPoint.lon+deltaX*resolution,zoomPoint.lat+deltaY*resolution)}return lonlat},getLonLatFromPixel:function(px){return this.getLonLatFromViewPortPx(px)},getPixelFromLonLat:function(lonlat){var px=this.getViewPortPxFromLonLat(lonlat);px.x=Math.round(px.x);px.y=Math.round(px.y);return px},getGeodesicPixelSize:function(px){var lonlat=px?this.getLonLatFromPixel(px):this.getCachedCenter()||new OpenLayers.LonLat(0,0);var res=this.getResolution();var left=lonlat.add(-res/2,0);var right=lonlat.add(res/2,0);var bottom=lonlat.add(0,-res/2);var top=lonlat.add(0,res/2);var dest=new OpenLayers.Projection("EPSG:4326");var source=this.getProjectionObject()||dest;if(!source.equals(dest)){left.transform(source,dest);right.transform(source,dest);bottom.transform(source,dest);top.transform(source,dest)}return new OpenLayers.Size(OpenLayers.Util.distVincenty(left,right),OpenLayers.Util.distVincenty(bottom,top))},getViewPortPxFromLayerPx:function(layerPx){var viewPortPx=null;if(layerPx!=null){var dX=this.layerContainerOriginPx.x;var dY=this.layerContainerOriginPx.y;viewPortPx=layerPx.add(dX,dY)}return viewPortPx},getLayerPxFromViewPortPx:function(viewPortPx){var layerPx=null;if(viewPortPx!=null){var dX=-this.layerContainerOriginPx.x;var dY=-this.layerContainerOriginPx.y;layerPx=viewPortPx.add(dX,dY);if(isNaN(layerPx.x)||isNaN(layerPx.y)){layerPx=null}}return layerPx},getLonLatFromLayerPx:function(px){px=this.getViewPortPxFromLayerPx(px);return this.getLonLatFromViewPortPx(px)},getLayerPxFromLonLat:function(lonlat){var px=this.getPixelFromLonLat(lonlat);return this.getLayerPxFromViewPortPx(px)},applyTransform:function(x,y,scale){scale=scale||1;var origin=this.layerContainerOriginPx,needTransform=scale!==1;x=x||origin.x;y=y||origin.y;var style=this.layerContainerDiv.style,transform=this.applyTransform.transform,template=this.applyTransform.template;if(transform===undefined){transform=OpenLayers.Util.vendorPrefix.style("transform");this.applyTransform.transform=transform;if(transform){var computedStyle=OpenLayers.Element.getStyle(this.viewPortDiv,OpenLayers.Util.vendorPrefix.css("transform"));if(!computedStyle||computedStyle!=="none"){template=["translate3d(",",0) ","scale3d(",",1)"];style[transform]=[template[0],"0,0",template[1]].join("")}if(!template||!~style[transform].indexOf(template[0])){template=["translate(",") ","scale(",")"]}this.applyTransform.template=template}}if(transform!==null&&(template[0]==="translate3d("||needTransform===true)){if(needTransform===true&&template[0]==="translate("){x-=origin.x;y-=origin.y;style.left=origin.x+"px";style.top=origin.y+"px"}style[transform]=[template[0],x,"px,",y,"px",template[1],template[2],scale,",",scale,template[3]].join("")}else{style.left=x+"px";style.top=y+"px";if(transform!==null){style[transform]=""}}},CLASS_NAME:"OpenLayers.Map"});OpenLayers.Map.TILE_WIDTH=256;OpenLayers.Map.TILE_HEIGHT=256;OpenLayers.Layer=OpenLayers.Class({id:null,name:null,div:null,opacity:1,alwaysInRange:null,RESOLUTION_PROPERTIES:["scales","resolutions","maxScale","minScale","maxResolution","minResolution","numZoomLevels","maxZoomLevel"],events:null,map:null,isBaseLayer:false,alpha:false,displayInLayerSwitcher:true,visibility:true,attribution:null,inRange:false,imageSize:null,options:null,eventListeners:null,gutter:0,projection:null,units:null,scales:null,resolutions:null,maxExtent:null,minExtent:null,maxResolution:null,minResolution:null,numZoomLevels:null,minScale:null,maxScale:null,displayOutsideMaxExtent:false,wrapDateLine:false,metadata:null,initialize:function(name,options){this.metadata={};options=OpenLayers.Util.extend({},options);if(this.alwaysInRange!=null){options.alwaysInRange=this.alwaysInRange}this.addOptions(options);this.name=name;if(this.id==null){this.id=OpenLayers.Util.createUniqueID(this.CLASS_NAME+"_");this.div=OpenLayers.Util.createDiv(this.id);this.div.style.width="100%";this.div.style.height="100%";this.div.dir="ltr";this.events=new OpenLayers.Events(this,this.div);if(this.eventListeners instanceof Object){this.events.on(this.eventListeners)}}},destroy:function(setNewBaseLayer){if(setNewBaseLayer==null){setNewBaseLayer=true}if(this.map!=null){this.map.removeLayer(this,setNewBaseLayer)}this.projection=null;this.map=null;this.name=null;this.div=null;this.options=null;if(this.events){if(this.eventListeners){this.events.un(this.eventListeners)}this.events.destroy()}this.eventListeners=null;this.events=null},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer(this.name,this.getOptions())}OpenLayers.Util.applyDefaults(obj,this);obj.map=null;return obj},getOptions:function(){var options={};for(var o in this.options){options[o]=this[o]}return options},setName:function(newName){if(newName!=this.name){this.name=newName;if(this.map!=null){this.map.events.triggerEvent("changelayer",{layer:this,property:"name"})}}},addOptions:function(newOptions,reinitialize){if(this.options==null){this.options={}}if(newOptions){if(typeof newOptions.projection=="string"){newOptions.projection=new OpenLayers.Projection(newOptions.projection)}if(newOptions.projection){OpenLayers.Util.applyDefaults(newOptions,OpenLayers.Projection.defaults[newOptions.projection.getCode()])}if(newOptions.maxExtent&&!(newOptions.maxExtent instanceof OpenLayers.Bounds)){newOptions.maxExtent=new OpenLayers.Bounds(newOptions.maxExtent)}if(newOptions.minExtent&&!(newOptions.minExtent instanceof OpenLayers.Bounds)){newOptions.minExtent=new OpenLayers.Bounds(newOptions.minExtent)}}OpenLayers.Util.extend(this.options,newOptions);OpenLayers.Util.extend(this,newOptions);if(this.projection&&this.projection.getUnits()){this.units=this.projection.getUnits()}if(this.map){var resolution=this.map.getResolution();var properties=this.RESOLUTION_PROPERTIES.concat(["projection","units","minExtent","maxExtent"]);for(var o in newOptions){if(newOptions.hasOwnProperty(o)&&OpenLayers.Util.indexOf(properties,o)>=0){this.initResolutions();if(reinitialize&&this.map.baseLayer===this){this.map.setCenter(this.map.getCenter(),this.map.getZoomForResolution(resolution),false,true);this.map.events.triggerEvent("changebaselayer",{layer:this})}break}}}},onMapResize:function(){},redraw:function(){var redrawn=false;if(this.map){this.inRange=this.calculateInRange();var extent=this.getExtent();if(extent&&this.inRange&&this.visibility){var zoomChanged=true;this.moveTo(extent,zoomChanged,false);this.events.triggerEvent("moveend",{zoomChanged:zoomChanged});redrawn=true}}return redrawn},moveTo:function(bounds,zoomChanged,dragging){var display=this.visibility;if(!this.isBaseLayer){display=display&&this.inRange}this.display(display)},moveByPx:function(dx,dy){},setMap:function(map){if(this.map==null){this.map=map;this.maxExtent=this.maxExtent||this.map.maxExtent;this.minExtent=this.minExtent||this.map.minExtent;this.projection=this.projection||this.map.projection;if(typeof this.projection=="string"){this.projection=new OpenLayers.Projection(this.projection)}this.units=this.projection.getUnits()||this.units||this.map.units;this.initResolutions();if(!this.isBaseLayer){this.inRange=this.calculateInRange();var show=this.visibility&&this.inRange;this.div.style.display=show?"":"none"}this.setTileSize()}},afterAdd:function(){},removeMap:function(map){},getImageSize:function(bounds){return this.imageSize||this.tileSize},setTileSize:function(size){var tileSize=size?size:this.tileSize?this.tileSize:this.map.getTileSize();this.tileSize=tileSize;if(this.gutter){this.imageSize=new OpenLayers.Size(tileSize.w+2*this.gutter,tileSize.h+2*this.gutter)}},getVisibility:function(){return this.visibility},setVisibility:function(visibility){if(visibility!=this.visibility){this.visibility=visibility;this.display(visibility);this.redraw();if(this.map!=null){this.map.events.triggerEvent("changelayer",{layer:this,property:"visibility"})}this.events.triggerEvent("visibilitychanged")}},display:function(display){if(display!=(this.div.style.display!="none")){this.div.style.display=display&&this.calculateInRange()?"block":"none"}},calculateInRange:function(){var inRange=false;if(this.alwaysInRange){inRange=true}else{if(this.map){var resolution=this.map.getResolution();inRange=resolution>=this.minResolution&&resolution<=this.maxResolution}}return inRange},setIsBaseLayer:function(isBaseLayer){if(isBaseLayer!=this.isBaseLayer){this.isBaseLayer=isBaseLayer;if(this.map!=null){this.map.events.triggerEvent("changebaselayer",{layer:this})}}},initResolutions:function(){var i,len,p;var props={},alwaysInRange=true;for(i=0,len=this.RESOLUTION_PROPERTIES.length;i<len;i++){p=this.RESOLUTION_PROPERTIES[i];props[p]=this.options[p];if(alwaysInRange&&this.options[p]){alwaysInRange=false}}if(this.options.alwaysInRange==null){this.alwaysInRange=alwaysInRange}if(props.resolutions==null){props.resolutions=this.resolutionsFromScales(props.scales)}if(props.resolutions==null){props.resolutions=this.calculateResolutions(props)}if(props.resolutions==null){for(i=0,len=this.RESOLUTION_PROPERTIES.length;i<len;i++){p=this.RESOLUTION_PROPERTIES[i];props[p]=this.options[p]!=null?this.options[p]:this.map[p]}if(props.resolutions==null){props.resolutions=this.resolutionsFromScales(props.scales)}if(props.resolutions==null){props.resolutions=this.calculateResolutions(props)}}var maxResolution;if(this.options.maxResolution&&this.options.maxResolution!=="auto"){maxResolution=this.options.maxResolution}if(this.options.minScale){maxResolution=OpenLayers.Util.getResolutionFromScale(this.options.minScale,this.units)}var minResolution;if(this.options.minResolution&&this.options.minResolution!=="auto"){minResolution=this.options.minResolution}if(this.options.maxScale){minResolution=OpenLayers.Util.getResolutionFromScale(this.options.maxScale,this.units)}if(props.resolutions){
props.resolutions.sort(function(a,b){return b-a});if(!maxResolution){maxResolution=props.resolutions[0]}if(!minResolution){var lastIdx=props.resolutions.length-1;minResolution=props.resolutions[lastIdx]}}this.resolutions=props.resolutions;if(this.resolutions){len=this.resolutions.length;this.scales=new Array(len);for(i=0;i<len;i++){this.scales[i]=OpenLayers.Util.getScaleFromResolution(this.resolutions[i],this.units)}this.numZoomLevels=len}this.minResolution=minResolution;if(minResolution){this.maxScale=OpenLayers.Util.getScaleFromResolution(minResolution,this.units)}this.maxResolution=maxResolution;if(maxResolution){this.minScale=OpenLayers.Util.getScaleFromResolution(maxResolution,this.units)}},resolutionsFromScales:function(scales){if(scales==null){return}var resolutions,i,len;len=scales.length;resolutions=new Array(len);for(i=0;i<len;i++){resolutions[i]=OpenLayers.Util.getResolutionFromScale(scales[i],this.units)}return resolutions},calculateResolutions:function(props){var viewSize,wRes,hRes;var maxResolution=props.maxResolution;if(props.minScale!=null){maxResolution=OpenLayers.Util.getResolutionFromScale(props.minScale,this.units)}else if(maxResolution=="auto"&&this.maxExtent!=null){viewSize=this.map.getSize();wRes=this.maxExtent.getWidth()/viewSize.w;hRes=this.maxExtent.getHeight()/viewSize.h;maxResolution=Math.max(wRes,hRes)}var minResolution=props.minResolution;if(props.maxScale!=null){minResolution=OpenLayers.Util.getResolutionFromScale(props.maxScale,this.units)}else if(props.minResolution=="auto"&&this.minExtent!=null){viewSize=this.map.getSize();wRes=this.minExtent.getWidth()/viewSize.w;hRes=this.minExtent.getHeight()/viewSize.h;minResolution=Math.max(wRes,hRes)}if(typeof maxResolution!=="number"&&typeof minResolution!=="number"&&this.maxExtent!=null){var tileSize=this.map.getTileSize();maxResolution=Math.max(this.maxExtent.getWidth()/tileSize.w,this.maxExtent.getHeight()/tileSize.h)}var maxZoomLevel=props.maxZoomLevel;var numZoomLevels=props.numZoomLevels;if(typeof minResolution==="number"&&typeof maxResolution==="number"&&numZoomLevels===undefined){var ratio=maxResolution/minResolution;numZoomLevels=Math.floor(Math.log(ratio)/Math.log(2))+1}else if(numZoomLevels===undefined&&maxZoomLevel!=null){numZoomLevels=maxZoomLevel+1}if(typeof numZoomLevels!=="number"||numZoomLevels<=0||typeof maxResolution!=="number"&&typeof minResolution!=="number"){return}var resolutions=new Array(numZoomLevels);var base=2;if(typeof minResolution=="number"&&typeof maxResolution=="number"){base=Math.pow(maxResolution/minResolution,1/(numZoomLevels-1))}var i;if(typeof maxResolution==="number"){for(i=0;i<numZoomLevels;i++){resolutions[i]=maxResolution/Math.pow(base,i)}}else{for(i=0;i<numZoomLevels;i++){resolutions[numZoomLevels-1-i]=minResolution*Math.pow(base,i)}}return resolutions},getResolution:function(){var zoom=this.map.getZoom();return this.getResolutionForZoom(zoom)},getExtent:function(){return this.map.calculateBounds()},getZoomForExtent:function(extent,closest){var viewSize=this.map.getSize();var idealResolution=Math.max(extent.getWidth()/viewSize.w,extent.getHeight()/viewSize.h);return this.getZoomForResolution(idealResolution,closest)},getDataExtent:function(){},getResolutionForZoom:function(zoom){zoom=Math.max(0,Math.min(zoom,this.resolutions.length-1));var resolution;if(this.map.fractionalZoom){var low=Math.floor(zoom);var high=Math.ceil(zoom);resolution=this.resolutions[low]-(zoom-low)*(this.resolutions[low]-this.resolutions[high])}else{resolution=this.resolutions[Math.round(zoom)]}return resolution},getZoomForResolution:function(resolution,closest){var zoom,i,len;if(this.map.fractionalZoom){var lowZoom=0;var highZoom=this.resolutions.length-1;var highRes=this.resolutions[lowZoom];var lowRes=this.resolutions[highZoom];var res;for(i=0,len=this.resolutions.length;i<len;++i){res=this.resolutions[i];if(res>=resolution){highRes=res;lowZoom=i}if(res<=resolution){lowRes=res;highZoom=i;break}}var dRes=highRes-lowRes;if(dRes>0){zoom=lowZoom+(highRes-resolution)/dRes}else{zoom=lowZoom}}else{var diff;var minDiff=Number.POSITIVE_INFINITY;for(i=0,len=this.resolutions.length;i<len;i++){if(closest){diff=Math.abs(this.resolutions[i]-resolution);if(diff>minDiff){break}minDiff=diff}else{if(this.resolutions[i]<resolution){break}}}zoom=Math.max(0,i-1)}return zoom},getLonLatFromViewPortPx:function(viewPortPx){var lonlat=null;var map=this.map;if(viewPortPx!=null&&map.minPx){var res=map.getResolution();var maxExtent=map.getMaxExtent({restricted:true});var lon=(viewPortPx.x-map.minPx.x)*res+maxExtent.left;var lat=(map.minPx.y-viewPortPx.y)*res+maxExtent.top;lonlat=new OpenLayers.LonLat(lon,lat);if(this.wrapDateLine){lonlat=lonlat.wrapDateLine(this.maxExtent)}}return lonlat},getViewPortPxFromLonLat:function(lonlat,resolution){var px=null;if(lonlat!=null){resolution=resolution||this.map.getResolution();var extent=this.map.calculateBounds(null,resolution);px=new OpenLayers.Pixel(1/resolution*(lonlat.lon-extent.left),1/resolution*(extent.top-lonlat.lat))}return px},setOpacity:function(opacity){if(opacity!=this.opacity){this.opacity=opacity;var childNodes=this.div.childNodes;for(var i=0,len=childNodes.length;i<len;++i){var element=childNodes[i].firstChild||childNodes[i];var lastChild=childNodes[i].lastChild;if(lastChild&&lastChild.nodeName.toLowerCase()==="iframe"){element=lastChild.parentNode}OpenLayers.Util.modifyDOMElement(element,null,null,null,null,null,null,opacity)}if(this.map!=null){this.map.events.triggerEvent("changelayer",{layer:this,property:"opacity"})}}},getZIndex:function(){return this.div.style.zIndex},setZIndex:function(zIndex){this.div.style.zIndex=zIndex},adjustBounds:function(bounds){if(this.gutter){var mapGutter=this.gutter*this.map.getResolution();bounds=new OpenLayers.Bounds(bounds.left-mapGutter,bounds.bottom-mapGutter,bounds.right+mapGutter,bounds.top+mapGutter)}if(this.wrapDateLine){var wrappingOptions={rightTolerance:this.getResolution(),leftTolerance:this.getResolution()};bounds=bounds.wrapDateLine(this.maxExtent,wrappingOptions)}return bounds},CLASS_NAME:"OpenLayers.Layer"});OpenLayers.Layer.HTTPRequest=OpenLayers.Class(OpenLayers.Layer,{URL_HASH_FACTOR:(Math.sqrt(5)-1)/2,url:null,params:null,reproject:false,initialize:function(name,url,params,options){OpenLayers.Layer.prototype.initialize.apply(this,[name,options]);this.url=url;if(!this.params){this.params=OpenLayers.Util.extend({},params)}},destroy:function(){this.url=null;this.params=null;OpenLayers.Layer.prototype.destroy.apply(this,arguments)},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.HTTPRequest(this.name,this.url,this.params,this.getOptions())}obj=OpenLayers.Layer.prototype.clone.apply(this,[obj]);return obj},setUrl:function(newUrl){this.url=newUrl},mergeNewParams:function(newParams){this.params=OpenLayers.Util.extend(this.params,newParams);var ret=this.redraw();if(this.map!=null){this.map.events.triggerEvent("changelayer",{layer:this,property:"params"})}return ret},redraw:function(force){if(force){return this.mergeNewParams({_olSalt:Math.random()})}else{return OpenLayers.Layer.prototype.redraw.apply(this,[])}},selectUrl:function(paramString,urls){var product=1;for(var i=0,len=paramString.length;i<len;i++){product*=paramString.charCodeAt(i)*this.URL_HASH_FACTOR;product-=Math.floor(product)}return urls[Math.floor(product*urls.length)]},getFullRequestString:function(newParams,altUrl){var url=altUrl||this.url;var allParams=OpenLayers.Util.extend({},this.params);allParams=OpenLayers.Util.extend(allParams,newParams);var paramsString=OpenLayers.Util.getParameterString(allParams);if(OpenLayers.Util.isArray(url)){url=this.selectUrl(paramsString,url)}var urlParams=OpenLayers.Util.upperCaseObject(OpenLayers.Util.getParameters(url));for(var key in allParams){if(key.toUpperCase()in urlParams){delete allParams[key]}}paramsString=OpenLayers.Util.getParameterString(allParams);return OpenLayers.Util.urlAppend(url,paramsString)},CLASS_NAME:"OpenLayers.Layer.HTTPRequest"});OpenLayers.Tile=OpenLayers.Class({events:null,eventListeners:null,id:null,layer:null,url:null,bounds:null,size:null,position:null,isLoading:false,initialize:function(layer,position,bounds,url,size,options){this.layer=layer;this.position=position.clone();this.setBounds(bounds);this.url=url;if(size){this.size=size.clone()}this.id=OpenLayers.Util.createUniqueID("Tile_");OpenLayers.Util.extend(this,options);this.events=new OpenLayers.Events(this);if(this.eventListeners instanceof Object){this.events.on(this.eventListeners)}},unload:function(){if(this.isLoading){this.isLoading=false;this.events.triggerEvent("unload")}},destroy:function(){this.layer=null;this.bounds=null;this.size=null;this.position=null;if(this.eventListeners){this.events.un(this.eventListeners)}this.events.destroy();this.eventListeners=null;this.events=null},draw:function(force){if(!force){this.clear()}var draw=this.shouldDraw();if(draw&&!force&&this.events.triggerEvent("beforedraw")===false){draw=null}return draw},shouldDraw:function(){var withinMaxExtent=false,maxExtent=this.layer.maxExtent;if(maxExtent){var map=this.layer.map;var worldBounds=map.baseLayer.wrapDateLine&&map.getMaxExtent();if(this.bounds.intersectsBounds(maxExtent,{inclusive:false,worldBounds:worldBounds})){withinMaxExtent=true}}return withinMaxExtent||this.layer.displayOutsideMaxExtent},setBounds:function(bounds){bounds=bounds.clone();if(this.layer.map.baseLayer.wrapDateLine){var worldExtent=this.layer.map.getMaxExtent(),tolerance=this.layer.map.getResolution();bounds=bounds.wrapDateLine(worldExtent,{leftTolerance:tolerance,rightTolerance:tolerance})}this.bounds=bounds},moveTo:function(bounds,position,redraw){if(redraw==null){redraw=true}this.setBounds(bounds);this.position=position.clone();if(redraw){this.draw()}},clear:function(draw){},CLASS_NAME:"OpenLayers.Tile"});OpenLayers.Tile.Image=OpenLayers.Class(OpenLayers.Tile,{url:null,imgDiv:null,frame:null,imageReloadAttempts:null,layerAlphaHack:null,asyncRequestId:null,maxGetUrlLength:null,canvasContext:null,crossOriginKeyword:null,initialize:function(layer,position,bounds,url,size,options){OpenLayers.Tile.prototype.initialize.apply(this,arguments);this.url=url;this.layerAlphaHack=this.layer.alpha&&OpenLayers.Util.alphaHack();if(this.maxGetUrlLength!=null||this.layer.gutter||this.layerAlphaHack){this.frame=document.createElement("div");this.frame.style.position="absolute";this.frame.style.overflow="hidden"}if(this.maxGetUrlLength!=null){OpenLayers.Util.extend(this,OpenLayers.Tile.Image.IFrame)}},destroy:function(){if(this.imgDiv){this.clear();this.imgDiv=null;this.frame=null}this.asyncRequestId=null;OpenLayers.Tile.prototype.destroy.apply(this,arguments)},draw:function(){var shouldDraw=OpenLayers.Tile.prototype.draw.apply(this,arguments);if(shouldDraw){if(this.layer!=this.layer.map.baseLayer&&this.layer.reproject){this.bounds=this.getBoundsFromBaseLayer(this.position)}if(this.isLoading){this._loadEvent="reload"}else{this.isLoading=true;this._loadEvent="loadstart"}this.renderTile();this.positionTile()}else if(shouldDraw===false){this.unload()}return shouldDraw},renderTile:function(){if(this.layer.async){var id=this.asyncRequestId=(this.asyncRequestId||0)+1;this.layer.getURLasync(this.bounds,function(url){if(id==this.asyncRequestId){this.url=url;this.initImage()}},this)}else{this.url=this.layer.getURL(this.bounds);this.initImage()}},positionTile:function(){var style=this.getTile().style,size=this.frame?this.size:this.layer.getImageSize(this.bounds),ratio=1;if(this.layer instanceof OpenLayers.Layer.Grid){ratio=this.layer.getServerResolution()/this.layer.map.getResolution()}style.left=this.position.x+"px";style.top=this.position.y+"px";style.width=Math.round(ratio*size.w)+"px";style.height=Math.round(ratio*size.h)+"px"},clear:function(){OpenLayers.Tile.prototype.clear.apply(this,arguments);var img=this.imgDiv;if(img){var tile=this.getTile();if(tile.parentNode===this.layer.div){this.layer.div.removeChild(tile)}this.setImgSrc();if(this.layerAlphaHack===true){img.style.filter=""}OpenLayers.Element.removeClass(img,"olImageLoadError")}this.canvasContext=null},getImage:function(){if(!this.imgDiv){this.imgDiv=OpenLayers.Tile.Image.IMAGE.cloneNode(false);var style=this.imgDiv.style;if(this.frame){var left=0,top=0;if(this.layer.gutter){left=this.layer.gutter/this.layer.tileSize.w*100;top=this.layer.gutter/this.layer.tileSize.h*100}style.left=-left+"%";style.top=-top+"%";style.width=2*left+100+"%";style.height=2*top+100+"%"}style.visibility="hidden";style.opacity=0;if(this.layer.opacity<1){style.filter="alpha(opacity="+this.layer.opacity*100+")"}style.position="absolute";if(this.layerAlphaHack){style.paddingTop=style.height;style.height="0";style.width="100%"}if(this.frame){this.frame.appendChild(this.imgDiv)}}return this.imgDiv},setImage:function(img){this.imgDiv=img},initImage:function(){if(!this.url&&!this.imgDiv){this.isLoading=false;return}this.events.triggerEvent("beforeload");this.layer.div.appendChild(this.getTile());this.events.triggerEvent(this._loadEvent);var img=this.getImage();var src=img.getAttribute("src")||"";if(this.url&&OpenLayers.Util.isEquivalentUrl(src,this.url)){this._loadTimeout=window.setTimeout(OpenLayers.Function.bind(this.onImageLoad,this),0)}else{this.stopLoading();if(this.crossOriginKeyword){img.removeAttribute("crossorigin")}OpenLayers.Event.observe(img,"load",OpenLayers.Function.bind(this.onImageLoad,this));OpenLayers.Event.observe(img,"error",OpenLayers.Function.bind(this.onImageError,this));this.imageReloadAttempts=0;this.setImgSrc(this.url)}},setImgSrc:function(url){var img=this.imgDiv;if(url){img.style.visibility="hidden";img.style.opacity=0;if(this.crossOriginKeyword){if(url.substr(0,5)!=="data:"){img.setAttribute("crossorigin",this.crossOriginKeyword)}else{img.removeAttribute("crossorigin")}}img.src=url}else{this.stopLoading();this.imgDiv=null;if(img.parentNode){img.parentNode.removeChild(img)}}},getTile:function(){return this.frame?this.frame:this.getImage()},createBackBuffer:function(){if(!this.imgDiv||this.isLoading){return}var backBuffer;if(this.frame){backBuffer=this.frame.cloneNode(false);backBuffer.appendChild(this.imgDiv)}else{backBuffer=this.imgDiv}this.imgDiv=null;return backBuffer},onImageLoad:function(){var img=this.imgDiv;this.stopLoading();img.style.visibility="inherit";img.style.opacity=this.layer.opacity;this.isLoading=false;this.canvasContext=null;this.events.triggerEvent("loadend");if(this.layerAlphaHack===true){img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img.src+"', sizingMethod='scale')"}},onImageError:function(){var img=this.imgDiv;if(img.src!=null){this.imageReloadAttempts++;if(this.imageReloadAttempts<=OpenLayers.IMAGE_RELOAD_ATTEMPTS){this.setImgSrc(this.layer.getURL(this.bounds))}else{OpenLayers.Element.addClass(img,"olImageLoadError");this.events.triggerEvent("loaderror");this.onImageLoad()}}},stopLoading:function(){OpenLayers.Event.stopObservingElement(this.imgDiv);window.clearTimeout(this._loadTimeout);delete this._loadTimeout},getCanvasContext:function(){if(OpenLayers.CANVAS_SUPPORTED&&this.imgDiv&&!this.isLoading){if(!this.canvasContext){var canvas=document.createElement("canvas");canvas.width=this.size.w;canvas.height=this.size.h;this.canvasContext=canvas.getContext("2d");this.canvasContext.drawImage(this.imgDiv,0,0)}return this.canvasContext}},CLASS_NAME:"OpenLayers.Tile.Image"});OpenLayers.Tile.Image.IMAGE=function(){var img=new Image;img.className="olTileImage";img.galleryImg="no";return img}();OpenLayers.Layer.Grid=OpenLayers.Class(OpenLayers.Layer.HTTPRequest,{tileSize:null,tileOriginCorner:"bl",tileOrigin:null,tileOptions:null,tileClass:OpenLayers.Tile.Image,grid:null,singleTile:false,ratio:1.5,buffer:0,transitionEffect:"resize",numLoadingTiles:0,serverResolutions:null,loading:false,backBuffer:null,gridResolution:null,backBufferResolution:null,backBufferLonLat:null,backBufferTimerId:null,removeBackBufferDelay:null,className:null,gridLayout:null,rowSign:null,transitionendEvents:["transitionend","webkitTransitionEnd","otransitionend","oTransitionEnd"],initialize:function(name,url,params,options){OpenLayers.Layer.HTTPRequest.prototype.initialize.apply(this,arguments);this.grid=[];this._removeBackBuffer=OpenLayers.Function.bind(this.removeBackBuffer,this);this.initProperties();this.rowSign=this.tileOriginCorner.substr(0,1)==="t"?1:-1},initProperties:function(){if(this.options.removeBackBufferDelay===undefined){this.removeBackBufferDelay=this.singleTile?0:2500}if(this.options.className===undefined){this.className=this.singleTile?"olLayerGridSingleTile":"olLayerGrid"}},setMap:function(map){OpenLayers.Layer.HTTPRequest.prototype.setMap.call(this,map);OpenLayers.Element.addClass(this.div,this.className)},removeMap:function(map){this.removeBackBuffer()},destroy:function(){this.removeBackBuffer();this.clearGrid();this.grid=null;this.tileSize=null;OpenLayers.Layer.HTTPRequest.prototype.destroy.apply(this,arguments)},clearGrid:function(){if(this.grid){for(var iRow=0,len=this.grid.length;iRow<len;iRow++){var row=this.grid[iRow];for(var iCol=0,clen=row.length;iCol<clen;iCol++){var tile=row[iCol];this.destroyTile(tile)}}this.grid=[];this.gridResolution=null;this.gridLayout=null}},addOptions:function(newOptions,reinitialize){var singleTileChanged=newOptions.singleTile!==undefined&&newOptions.singleTile!==this.singleTile;OpenLayers.Layer.HTTPRequest.prototype.addOptions.apply(this,arguments);if(this.map&&singleTileChanged){this.initProperties();this.clearGrid();this.tileSize=this.options.tileSize;this.setTileSize();this.moveTo(null,true)}},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.Grid(this.name,this.url,this.params,this.getOptions())}obj=OpenLayers.Layer.HTTPRequest.prototype.clone.apply(this,[obj]);if(this.tileSize!=null){obj.tileSize=this.tileSize.clone()}obj.grid=[];obj.gridResolution=null;obj.backBuffer=null;obj.backBufferTimerId=null;obj.loading=false;obj.numLoadingTiles=0;return obj},moveTo:function(bounds,zoomChanged,dragging){OpenLayers.Layer.HTTPRequest.prototype.moveTo.apply(this,arguments);bounds=bounds||this.map.getExtent();if(bounds!=null){var forceReTile=!this.grid.length||zoomChanged;var tilesBounds=this.getTilesBounds();var resolution=this.map.getResolution();var serverResolution=this.getServerResolution(resolution);if(this.singleTile){if(forceReTile||!dragging&&!tilesBounds.containsBounds(bounds)){if(zoomChanged&&this.transitionEffect!=="resize"){this.removeBackBuffer()}if(!zoomChanged||this.transitionEffect==="resize"){this.applyBackBuffer(resolution)}this.initSingleTile(bounds)}}else{forceReTile=forceReTile||!tilesBounds.intersectsBounds(bounds,{worldBounds:this.map.baseLayer.wrapDateLine&&this.map.getMaxExtent()});if(forceReTile){if(zoomChanged&&(this.transitionEffect==="resize"||this.gridResolution===resolution)){this.applyBackBuffer(resolution)}this.initGriddedTiles(bounds)}else{this.moveGriddedTiles()}}}},getTileData:function(loc){var data=null,x=loc.lon,y=loc.lat,numRows=this.grid.length;if(this.map&&numRows){var res=this.map.getResolution(),tileWidth=this.tileSize.w,tileHeight=this.tileSize.h,bounds=this.grid[0][0].bounds,left=bounds.left,top=bounds.top;if(x<left){if(this.map.baseLayer.wrapDateLine){var worldWidth=this.map.getMaxExtent().getWidth();var worldsAway=Math.ceil((left-x)/worldWidth);x+=worldWidth*worldsAway}}var dtx=(x-left)/(res*tileWidth);var dty=(top-y)/(res*tileHeight);var col=Math.floor(dtx);var row=Math.floor(dty);if(row>=0&&row<numRows){var tile=this.grid[row][col];if(tile){data={tile:tile,i:Math.floor((dtx-col)*tileWidth),j:Math.floor((dty-row)*tileHeight)}}}}return data},destroyTile:function(tile){this.removeTileMonitoringHooks(tile);tile.destroy()},getServerResolution:function(resolution){var distance=Number.POSITIVE_INFINITY;resolution=resolution||this.map.getResolution();if(this.serverResolutions&&OpenLayers.Util.indexOf(this.serverResolutions,resolution)===-1){var i,newDistance,newResolution,serverResolution;for(i=this.serverResolutions.length-1;i>=0;i--){newResolution=this.serverResolutions[i];newDistance=Math.abs(newResolution-resolution);if(newDistance>distance){break}distance=newDistance;serverResolution=newResolution}resolution=serverResolution}return resolution},getServerZoom:function(){var resolution=this.getServerResolution();return this.serverResolutions?OpenLayers.Util.indexOf(this.serverResolutions,resolution):this.map.getZoomForResolution(resolution)+(this.zoomOffset||0)},applyBackBuffer:function(resolution){if(this.backBufferTimerId!==null){this.removeBackBuffer()}var backBuffer=this.backBuffer;if(!backBuffer){backBuffer=this.createBackBuffer();if(!backBuffer){return}if(resolution===this.gridResolution){this.div.insertBefore(backBuffer,this.div.firstChild)}else{this.map.baseLayer.div.parentNode.insertBefore(backBuffer,this.map.baseLayer.div)}this.backBuffer=backBuffer;var topLeftTileBounds=this.grid[0][0].bounds;this.backBufferLonLat={lon:topLeftTileBounds.left,lat:topLeftTileBounds.top};this.backBufferResolution=this.gridResolution}var ratio=this.backBufferResolution/resolution;var tiles=backBuffer.childNodes,tile;for(var i=tiles.length-1;i>=0;--i){tile=tiles[i];tile.style.top=(ratio*tile._i*tile._h|0)+"px";tile.style.left=(ratio*tile._j*tile._w|0)+"px";tile.style.width=Math.round(ratio*tile._w)+"px";tile.style.height=Math.round(ratio*tile._h)+"px"}var position=this.getViewPortPxFromLonLat(this.backBufferLonLat,resolution);var leftOffset=this.map.layerContainerOriginPx.x;var topOffset=this.map.layerContainerOriginPx.y;backBuffer.style.left=Math.round(position.x-leftOffset)+"px";backBuffer.style.top=Math.round(position.y-topOffset)+"px"},createBackBuffer:function(){var backBuffer;if(this.grid.length>0){backBuffer=document.createElement("div");backBuffer.id=this.div.id+"_bb";backBuffer.className="olBackBuffer";backBuffer.style.position="absolute";var map=this.map;backBuffer.style.zIndex=this.transitionEffect==="resize"?this.getZIndex()-1:map.Z_INDEX_BASE.BaseLayer-(map.getNumLayers()-map.getLayerIndex(this));for(var i=0,lenI=this.grid.length;i<lenI;i++){for(var j=0,lenJ=this.grid[i].length;j<lenJ;j++){var tile=this.grid[i][j],markup=this.grid[i][j].createBackBuffer();if(markup){markup._i=i;markup._j=j;markup._w=tile.size.w;markup._h=tile.size.h;markup.id=tile.id+"_bb";backBuffer.appendChild(markup)}}}}return backBuffer},removeBackBuffer:function(){if(this._transitionElement){for(var i=this.transitionendEvents.length-1;i>=0;--i){OpenLayers.Event.stopObserving(this._transitionElement,this.transitionendEvents[i],this._removeBackBuffer)}delete this._transitionElement}if(this.backBuffer){if(this.backBuffer.parentNode){this.backBuffer.parentNode.removeChild(this.backBuffer)}this.backBuffer=null;this.backBufferResolution=null;if(this.backBufferTimerId!==null){window.clearTimeout(this.backBufferTimerId);this.backBufferTimerId=null}}},moveByPx:function(dx,dy){if(!this.singleTile){this.moveGriddedTiles()}},setTileSize:function(size){if(this.singleTile){size=this.map.getSize();size.h=parseInt(size.h*this.ratio,10);size.w=parseInt(size.w*this.ratio,10)}OpenLayers.Layer.HTTPRequest.prototype.setTileSize.apply(this,[size])},getTilesBounds:function(){var bounds=null;var length=this.grid.length;if(length){var bottomLeftTileBounds=this.grid[length-1][0].bounds,width=this.grid[0].length*bottomLeftTileBounds.getWidth(),height=this.grid.length*bottomLeftTileBounds.getHeight();bounds=new OpenLayers.Bounds(bottomLeftTileBounds.left,bottomLeftTileBounds.bottom,bottomLeftTileBounds.left+width,bottomLeftTileBounds.bottom+height)}return bounds},initSingleTile:function(bounds){this.events.triggerEvent("retile");var center=bounds.getCenterLonLat();var tileWidth=bounds.getWidth()*this.ratio;var tileHeight=bounds.getHeight()*this.ratio;var tileBounds=new OpenLayers.Bounds(center.lon-tileWidth/2,center.lat-tileHeight/2,center.lon+tileWidth/2,center.lat+tileHeight/2);var px=this.map.getLayerPxFromLonLat({lon:tileBounds.left,lat:tileBounds.top});if(!this.grid.length){this.grid[0]=[]}var tile=this.grid[0][0];if(!tile){tile=this.addTile(tileBounds,px);this.addTileMonitoringHooks(tile);tile.draw();this.grid[0][0]=tile}else{tile.moveTo(tileBounds,px)}this.removeExcessTiles(1,1);this.gridResolution=this.getServerResolution()},calculateGridLayout:function(bounds,origin,resolution){var tilelon=resolution*this.tileSize.w;var tilelat=resolution*this.tileSize.h;var offsetlon=bounds.left-origin.lon;var tilecol=Math.floor(offsetlon/tilelon)-this.buffer;var rowSign=this.rowSign;var offsetlat=rowSign*(origin.lat-bounds.top+tilelat);var tilerow=Math[~rowSign?"floor":"ceil"](offsetlat/tilelat)-this.buffer*rowSign;return{tilelon:tilelon,tilelat:tilelat,startcol:tilecol,startrow:tilerow}},getTileOrigin:function(){var origin=this.tileOrigin;if(!origin){var extent=this.getMaxExtent();var edges={tl:["left","top"],tr:["right","top"],bl:["left","bottom"],br:["right","bottom"]}[this.tileOriginCorner];origin=new OpenLayers.LonLat(extent[edges[0]],extent[edges[1]])}return origin},getTileBoundsForGridIndex:function(row,col){var origin=this.getTileOrigin();var tileLayout=this.gridLayout;var tilelon=tileLayout.tilelon;var tilelat=tileLayout.tilelat;var startcol=tileLayout.startcol;var startrow=tileLayout.startrow;var rowSign=this.rowSign;return new OpenLayers.Bounds(origin.lon+(startcol+col)*tilelon,origin.lat-(startrow+row*rowSign)*tilelat*rowSign,origin.lon+(startcol+col+1)*tilelon,origin.lat-(startrow+(row-1)*rowSign)*tilelat*rowSign)},initGriddedTiles:function(bounds){this.events.triggerEvent("retile");var viewSize=this.map.getSize();var origin=this.getTileOrigin();var resolution=this.map.getResolution(),serverResolution=this.getServerResolution(),ratio=resolution/serverResolution,tileSize={w:this.tileSize.w/ratio,h:this.tileSize.h/ratio};var minRows=Math.ceil(viewSize.h/tileSize.h)+2*this.buffer+1;var minCols=Math.ceil(viewSize.w/tileSize.w)+2*this.buffer+1;var tileLayout=this.calculateGridLayout(bounds,origin,serverResolution);this.gridLayout=tileLayout;var tilelon=tileLayout.tilelon;var tilelat=tileLayout.tilelat;var layerContainerDivLeft=this.map.layerContainerOriginPx.x;var layerContainerDivTop=this.map.layerContainerOriginPx.y;var tileBounds=this.getTileBoundsForGridIndex(0,0);var startPx=this.map.getViewPortPxFromLonLat(new OpenLayers.LonLat(tileBounds.left,tileBounds.top));startPx.x=Math.round(startPx.x)-layerContainerDivLeft;startPx.y=Math.round(startPx.y)-layerContainerDivTop;var tileData=[],center=this.map.getCenter();var rowidx=0;do{var row=this.grid[rowidx];if(!row){row=[];this.grid.push(row)}var colidx=0;do{tileBounds=this.getTileBoundsForGridIndex(rowidx,colidx);var px=startPx.clone();px.x=px.x+colidx*Math.round(tileSize.w);px.y=px.y+rowidx*Math.round(tileSize.h);var tile=row[colidx];if(!tile){tile=this.addTile(tileBounds,px);this.addTileMonitoringHooks(tile);row.push(tile)}else{tile.moveTo(tileBounds,px,false)}var tileCenter=tileBounds.getCenterLonLat();tileData.push({tile:tile,distance:Math.pow(tileCenter.lon-center.lon,2)+Math.pow(tileCenter.lat-center.lat,2)});colidx+=1}while(tileBounds.right<=bounds.right+tilelon*this.buffer||colidx<minCols);rowidx+=1}while(tileBounds.bottom>=bounds.bottom-tilelat*this.buffer||rowidx<minRows);this.removeExcessTiles(rowidx,colidx);var resolution=this.getServerResolution();this.gridResolution=resolution;tileData.sort(function(a,b){return a.distance-b.distance});for(var i=0,ii=tileData.length;i<ii;++i){tileData[i].tile.draw()}},getMaxExtent:function(){return this.maxExtent},addTile:function(bounds,position){var tile=new this.tileClass(this,position,bounds,null,this.tileSize,this.tileOptions);this.events.triggerEvent("addtile",{tile:tile});return tile},addTileMonitoringHooks:function(tile){var replacingCls="olTileReplacing";tile.onLoadStart=function(){if(this.loading===false){this.loading=true;this.events.triggerEvent("loadstart")}this.events.triggerEvent("tileloadstart",{tile:tile});this.numLoadingTiles++;if(!this.singleTile&&this.backBuffer&&this.gridResolution===this.backBufferResolution){OpenLayers.Element.addClass(tile.getTile(),replacingCls)}};tile.onLoadEnd=function(evt){this.numLoadingTiles--;var aborted=evt.type==="unload";this.events.triggerEvent("tileloaded",{tile:tile,aborted:aborted});if(!this.singleTile&&!aborted&&this.backBuffer&&this.gridResolution===this.backBufferResolution){var tileDiv=tile.getTile();if(OpenLayers.Element.getStyle(tileDiv,"display")==="none"){var bufferTile=document.getElementById(tile.id+"_bb");if(bufferTile){bufferTile.parentNode.removeChild(bufferTile)}}OpenLayers.Element.removeClass(tileDiv,replacingCls)}if(this.numLoadingTiles===0){if(this.backBuffer){if(this.backBuffer.childNodes.length===0){this.removeBackBuffer()}else{this._transitionElement=aborted?this.div.lastChild:tile.imgDiv;var transitionendEvents=this.transitionendEvents;for(var i=transitionendEvents.length-1;i>=0;--i){OpenLayers.Event.observe(this._transitionElement,transitionendEvents[i],this._removeBackBuffer)}this.backBufferTimerId=window.setTimeout(this._removeBackBuffer,this.removeBackBufferDelay)}}this.loading=false;this.events.triggerEvent("loadend")}};tile.onLoadError=function(){this.events.triggerEvent("tileerror",{tile:tile})};tile.events.on({loadstart:tile.onLoadStart,loadend:tile.onLoadEnd,unload:tile.onLoadEnd,loaderror:tile.onLoadError,scope:this})},removeTileMonitoringHooks:function(tile){tile.unload();tile.events.un({loadstart:tile.onLoadStart,loadend:tile.onLoadEnd,unload:tile.onLoadEnd,loaderror:tile.onLoadError,scope:this})},moveGriddedTiles:function(){var buffer=this.buffer+1;while(true){var tlTile=this.grid[0][0];var tlViewPort={x:tlTile.position.x+this.map.layerContainerOriginPx.x,y:tlTile.position.y+this.map.layerContainerOriginPx.y};var ratio=this.getServerResolution()/this.map.getResolution();var tileSize={w:Math.round(this.tileSize.w*ratio),h:Math.round(this.tileSize.h*ratio)};if(tlViewPort.x>-tileSize.w*(buffer-1)){this.shiftColumn(true,tileSize)}else if(tlViewPort.x<-tileSize.w*buffer){this.shiftColumn(false,tileSize)}else if(tlViewPort.y>-tileSize.h*(buffer-1)){this.shiftRow(true,tileSize)}else if(tlViewPort.y<-tileSize.h*buffer){this.shiftRow(false,tileSize)}else{break}}},shiftRow:function(prepend,tileSize){var grid=this.grid;var rowIndex=prepend?0:grid.length-1;var sign=prepend?-1:1;var rowSign=this.rowSign;var tileLayout=this.gridLayout;tileLayout.startrow+=sign*rowSign;var modelRow=grid[rowIndex];var row=grid[prepend?"pop":"shift"]();for(var i=0,len=row.length;i<len;i++){var tile=row[i];var position=modelRow[i].position.clone();position.y+=tileSize.h*sign;tile.moveTo(this.getTileBoundsForGridIndex(rowIndex,i),position)}grid[prepend?"unshift":"push"](row)},shiftColumn:function(prepend,tileSize){var grid=this.grid;var colIndex=prepend?0:grid[0].length-1;var sign=prepend?-1:1;var tileLayout=this.gridLayout;tileLayout.startcol+=sign;for(var i=0,len=grid.length;i<len;i++){var row=grid[i];var position=row[colIndex].position.clone();var tile=row[prepend?"pop":"shift"]();position.x+=tileSize.w*sign;tile.moveTo(this.getTileBoundsForGridIndex(i,colIndex),position);row[prepend?"unshift":"push"](tile)}},removeExcessTiles:function(rows,columns){var i,l;while(this.grid.length>rows){var row=this.grid.pop();for(i=0,l=row.length;i<l;i++){var tile=row[i];this.destroyTile(tile)}}for(i=0,l=this.grid.length;i<l;i++){while(this.grid[i].length>columns){var row=this.grid[i];var tile=row.pop();this.destroyTile(tile)}}},onMapResize:function(){if(this.singleTile){this.clearGrid();this.setTileSize()}},getTileBounds:function(viewPortPx){var maxExtent=this.maxExtent;var resolution=this.getResolution();var tileMapWidth=resolution*this.tileSize.w;var tileMapHeight=resolution*this.tileSize.h;var mapPoint=this.getLonLatFromViewPortPx(viewPortPx);var tileLeft=maxExtent.left+tileMapWidth*Math.floor((mapPoint.lon-maxExtent.left)/tileMapWidth);var tileBottom=maxExtent.bottom+tileMapHeight*Math.floor((mapPoint.lat-maxExtent.bottom)/tileMapHeight)
;return new OpenLayers.Bounds(tileLeft,tileBottom,tileLeft+tileMapWidth,tileBottom+tileMapHeight)},CLASS_NAME:"OpenLayers.Layer.Grid"});OpenLayers.Layer.WMS=OpenLayers.Class(OpenLayers.Layer.Grid,{DEFAULT_PARAMS:{service:"WMS",version:"1.1.1",request:"GetMap",styles:"",format:"image/jpeg"},isBaseLayer:true,encodeBBOX:false,noMagic:false,yx:{},initialize:function(name,url,params,options){var newArguments=[];params=OpenLayers.Util.upperCaseObject(params);if(parseFloat(params.VERSION)>=1.3&&!params.EXCEPTIONS){params.EXCEPTIONS="INIMAGE"}newArguments.push(name,url,params,options);OpenLayers.Layer.Grid.prototype.initialize.apply(this,newArguments);OpenLayers.Util.applyDefaults(this.params,OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS));if(!this.noMagic&&this.params.TRANSPARENT&&this.params.TRANSPARENT.toString().toLowerCase()=="true"){if(options==null||!options.isBaseLayer){this.isBaseLayer=false}if(this.params.FORMAT=="image/jpeg"){this.params.FORMAT=OpenLayers.Util.alphaHack()?"image/gif":"image/png"}}},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.WMS(this.name,this.url,this.params,this.getOptions())}obj=OpenLayers.Layer.Grid.prototype.clone.apply(this,[obj]);return obj},reverseAxisOrder:function(){var projCode=this.projection.getCode();return parseFloat(this.params.VERSION)>=1.3&&!!(this.yx[projCode]||OpenLayers.Projection.defaults[projCode]&&OpenLayers.Projection.defaults[projCode].yx)},getURL:function(bounds){bounds=this.adjustBounds(bounds);var imageSize=this.getImageSize();var newParams={};var reverseAxisOrder=this.reverseAxisOrder();newParams.BBOX=this.encodeBBOX?bounds.toBBOX(null,reverseAxisOrder):bounds.toArray(reverseAxisOrder);newParams.WIDTH=imageSize.w;newParams.HEIGHT=imageSize.h;var requestString=this.getFullRequestString(newParams);return requestString},mergeNewParams:function(newParams){var upperParams=OpenLayers.Util.upperCaseObject(newParams);var newArguments=[upperParams];return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this,newArguments)},getFullRequestString:function(newParams,altUrl){var mapProjection=this.map.getProjectionObject();var projectionCode=this.projection&&this.projection.equals(mapProjection)?this.projection.getCode():mapProjection.getCode();var value=projectionCode=="none"?null:projectionCode;if(parseFloat(this.params.VERSION)>=1.3){this.params.CRS=value}else{this.params.SRS=value}if(typeof this.params.TRANSPARENT=="boolean"){newParams.TRANSPARENT=this.params.TRANSPARENT?"TRUE":"FALSE"}return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(this,arguments)},CLASS_NAME:"OpenLayers.Layer.WMS"});