+return intersect;},getVertices:function(nodes){return(nodes===true)?[]:this.components.slice(0,this.components.length-1);},CLASS_NAME:"OpenLayers.Geometry.LinearRing"});OpenLayers.Animation=(function(window){var isNative=!!(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame);var requestFrame=(function(){var request=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||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,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.time=0;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){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(window.Proj4js){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(window.Proj4js&&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;xy.y=Math.log(Math.tan((90+xy.y)*Math.PI/360))/Math.PI*pole;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:1000},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:true,panTween:null,eventListeners:null,panMethod:OpenLayers.Easing.Expo.easeOut,panDuration:50,paddingForPopups: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});id=this.id+"_OpenLayers_Container";this.layerContainerDiv=OpenLayers.Util.createDiv(id);this.layerContainerDiv.style.width='100px';this.layerContainerDiv.style.height='100px';this.layerContainerDiv.style.zIndex=this.Z_INDEX_BASE['Popup']-1;this.viewPortDiv.appendChild(this.layerContainerDiv);this.updateSize();if(this.eventListeners instanceof Object){this.events.on(this.eventListeners);}
+if(parseFloat(navigator.appVersion.split("MSIE")[1])<9){this.events.register("resize",this,this.updateSize);}else{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;this.addLayers(options.layers);if(options.center&&!this.getCenter()){this.setCenter(options.center,options.zoom);}}},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;}
+OpenLayers.Event.stopObserving(window,'unload',this.unloadDestroy);this.unloadDestroy=null;if(this.updateSizeDestroy){OpenLayers.Event.stopObserving(window,'resize',this.updateSizeDestroy);}else{this.events.unregister("resize",this,this.updateSize);}
+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.div.removeChild(this.viewPortDiv);}
+this.viewPortDiv=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&¢er!=null){var zoom=this.getZoom();this.zoom=null;this.setCenter(center,zoom);}}}},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.panMethod&&this.getExtent().scale(this.panRatio).containsLonLat(lonlat)){if(!this.panTween){this.panTween=new OpenLayers.Tween(this.panMethod);}
+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){this.panTween&&this.panTween.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.layerContainerDiv.style.left=parseInt(this.layerContainerDiv.style.left)-dx+"px";this.minPx.x-=dx;this.maxPx.x-=dx;}
+if(dy){this.layerContainerDiv.style.top=parseInt(this.layerContainerDiv.style.top)-dy+"px";this.minPx.y-=dy;this.maxPx.y-=dy;}
+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){var resolution,resolutions=this.baseLayer.resolutions,maxResolution=this.getMaxExtent().getWidth()/this.size.w;if(this.getResolutionForZoom(zoom)>maxResolution){for(var i=zoom|0,ii=resolutions.length;i<ii;++i){if(resolutions[i]<=maxResolution){zoom=i;break;}}}
+return zoom;},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);}}
+if(this.baseLayer.wrapDateLine){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");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.layerContainerDiv.style.left="0px";this.layerContainerDiv.style.top="0px";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=parseInt(this.layerContainerDiv.style.left);var oldTop=parseInt(this.layerContainerDiv.style.top);var newLeft=Math.round(originPx.x-newPx.x);var newTop=Math.round(originPx.y-newPx.y);this.layerContainerDiv.style.left=newLeft+"px";this.layerContainerDiv.style.top=newTop+"px";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){if(this.isValidZoomLevel(zoom)){this.setCenter(null,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;},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=parseInt(this.layerContainerDiv.style.left);var dY=parseInt(this.layerContainerDiv.style.top);viewPortPx=layerPx.add(dX,dY);}
+return viewPortPx;},getLayerPxFromViewPortPx:function(viewPortPx){var layerPx=null;if(viewPortPx!=null){var dX=-parseInt(this.layerContainerDiv.style.left);var dY=-parseInt(this.layerContainerDiv.style.top);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);},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={};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.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(deferred){if(!deferred){this.clear();}
+var draw=this.shouldDraw();if(draw&&!deferred){draw=this.events.triggerEvent("beforedraw")!==false;}
+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,blankImageUrl:"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAQAIBRAA7",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 drawn=OpenLayers.Tile.prototype.draw.apply(this,arguments);if(drawn){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.positionTile();this.renderTile();}else{this.unload();}
+return drawn;},renderTile:function(){this.layer.div.appendChild(this.getTile());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);style.left=this.position.x+"%";style.top=this.position.y+"%";style.width=size.w+"%";style.height=size.h+"%";},clear:function(){OpenLayers.Tile.prototype.clear.apply(this,arguments);var img=this.imgDiv;if(img){OpenLayers.Event.stopObservingElement(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=document.createElement("img");this.imgDiv.className="olTileImage";this.imgDiv.galleryImg="no";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;},initImage:function(){this.events.triggerEvent(this._loadEvent);var img=this.getImage();if(this.url&&img.getAttribute("src")==this.url){this.onImageLoad();}else{var load=OpenLayers.Function.bind(function(){OpenLayers.Event.stopObservingElement(img);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);},this);if(img.getAttribute("src")==this.blankImageUrl){load();}else{OpenLayers.Event.observe(img,"load",load);OpenLayers.Event.observe(img,"error",load);if(this.crossOriginKeyword){img.removeAttribute("crossorigin");}
+img.src=this.blankImageUrl;}}},setImgSrc:function(url){var img=this.imgDiv;img.style.visibility='hidden';img.style.opacity=0;if(url){if(this.crossOriginKeyword){if(url.substr(0,5)!=='data:'){img.setAttribute("crossorigin",this.crossOriginKeyword);}else{img.removeAttribute("crossorigin");}}
+img.src=url;}},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;OpenLayers.Event.stopObservingElement(img);img.style.visibility='inherit';img.style.opacity=this.layer.opacity;this.isLoading=false;this.canvasContext=null;this.events.triggerEvent("loadend");if(parseFloat(navigator.appVersion.split("MSIE")[1])<7&&this.layer&&this.layer.div){var span=document.createElement("span");span.style.display="none";var layerDiv=this.layer.div;layerDiv.appendChild(span);window.setTimeout(function(){span.parentNode===layerDiv&&span.parentNode.removeChild(span);},0);}
+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();}}},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.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:null,numLoadingTiles:0,tileLoadingDelay:85,serverResolutions:null,moveTimerId:null,deferMoveGriddedTiles:null,tileQueueId:null,tileQueue:null,loading:false,backBuffer:null,gridResolution:null,backBufferResolution:null,backBufferLonLat:null,backBufferTimerId:null,removeBackBufferDelay:null,className:null,initialize:function(name,url,params,options){OpenLayers.Layer.HTTPRequest.prototype.initialize.apply(this,arguments);this.grid=[];this.tileQueue=[];if(this.removeBackBufferDelay===null){this.removeBackBufferDelay=this.singleTile?0:2500;}
+if(this.className===null){this.className=this.singleTile?'olLayerGridSingleTile':'olLayerGrid';}
+if(!OpenLayers.Animation.isNative){this.deferMoveGriddedTiles=OpenLayers.Function.bind(function(){this.moveGriddedTiles(true);this.moveTimerId=null;},this);}},setMap:function(map){OpenLayers.Layer.HTTPRequest.prototype.setMap.call(this,map);OpenLayers.Element.addClass(this.div,this.className);},removeMap:function(map){if(this.moveTimerId!==null){window.clearTimeout(this.moveTimerId);this.moveTimerId=null;}
+this.clearTileQueue();if(this.backBufferTimerId!==null){window.clearTimeout(this.backBufferTimerId);this.backBufferTimerId=null;}},destroy:function(){this.removeBackBuffer();this.clearGrid();this.grid=null;this.tileSize=null;OpenLayers.Layer.HTTPRequest.prototype.destroy.apply(this,arguments);},clearGrid:function(){this.clearTileQueue();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;}},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.tileQueue=[];obj.tileQueueId=null;obj.loading=false;obj.moveTimerId=null;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(serverResolution);}
+this.initSingleTile(bounds);}}else{forceReTile=forceReTile||!tilesBounds.intersectsBounds(bounds,{worldBounds:this.map.baseLayer.wrapDateLine&&this.map.getMaxExtent()});if(resolution!==serverResolution){bounds=this.map.calculateBounds(null,serverResolution);if(forceReTile){var scale=serverResolution/resolution;this.transformDiv(scale);}}else{this.div.style.width='100%';this.div.style.height='100%';this.div.style.left='0%';this.div.style.top='0%';}
+if(forceReTile){if(zoomChanged&&this.transitionEffect==='resize'){this.applyBackBuffer(serverResolution);}
+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;},queueTileDraw:function(evt){var tile=evt.object;if(!~OpenLayers.Util.indexOf(this.tileQueue,tile)){this.tileQueue.push(tile);}
+if(!this.tileQueueId){this.tileQueueId=OpenLayers.Animation.start(OpenLayers.Function.bind(this.drawTileFromQueue,this),null,this.div);}
+return false;},drawTileFromQueue:function(){if(this.tileQueue.length===0){this.clearTileQueue();}else{this.tileQueue.shift().draw(true);}},clearTileQueue:function(){OpenLayers.Animation.stop(this.tileQueueId);this.tileQueueId=null;this.tileQueue=[];},destroyTile:function(tile){this.removeTileMonitoringHooks(tile);tile.destroy();},getServerResolution:function(resolution){resolution=resolution||this.map.getResolution();if(this.serverResolutions&&OpenLayers.Util.indexOf(this.serverResolutions,resolution)===-1){var i,serverResolution;for(i=this.serverResolutions.length-1;i>=0;i--){serverResolution=this.serverResolutions[i];if(serverResolution>resolution){resolution=serverResolution;break;}}
+if(i===-1){throw'no appropriate resolution in serverResolutions';}}
+return resolution;},getServerZoom:function(){var resolution=this.getServerResolution();return this.serverResolutions?OpenLayers.Util.indexOf(this.serverResolutions,resolution):this.map.getZoomForResolution(resolution)+(this.zoomOffset||0);},transformDiv:function(scale){this.div.style.width=100*scale+'%';this.div.style.height=100*scale+'%';var size=this.map.getSize();var lcX=parseInt(this.map.layerContainerDiv.style.left,10);var lcY=parseInt(this.map.layerContainerDiv.style.top,10);var x=(lcX-(size.w/2.0))*(scale-1);var y=(lcY-(size.h/2.0))*(scale-1);this.div.style.left=x+'%';this.div.style.top=y+'%';},getResolutionScale:function(){return parseInt(this.div.style.width,10)/100;},applyBackBuffer:function(resolution){if(this.backBufferTimerId!==null){this.removeBackBuffer();}
+var backBuffer=this.backBuffer;if(!backBuffer){backBuffer=this.createBackBuffer();if(!backBuffer){return;}
+this.div.insertBefore(backBuffer,this.div.firstChild);this.backBuffer=backBuffer;var topLeftTileBounds=this.grid[0][0].bounds;this.backBufferLonLat={lon:topLeftTileBounds.left,lat:topLeftTileBounds.top};this.backBufferResolution=this.gridResolution;}
+var style=backBuffer.style;var ratio=this.backBufferResolution/resolution;style.width=100*ratio+'%';style.height=100*ratio+'%';var position=this.getViewPortPxFromLonLat(this.backBufferLonLat,resolution);var leftOffset=parseInt(this.map.layerContainerDiv.style.left,10);var topOffset=parseInt(this.map.layerContainerDiv.style.top,10);backBuffer.style.left=Math.round(position.x-leftOffset)+'%';backBuffer.style.top=Math.round(position.y-topOffset)+'%';},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';backBuffer.style.width='100%';backBuffer.style.height='100%';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].createBackBuffer();if(!tile){continue;}
+tile.style.top=(i*this.tileSize.h)+'%';tile.style.left=(j*this.tileSize.w)+'%';backBuffer.appendChild(tile);}}}
+return backBuffer;},removeBackBuffer:function(){if(this.backBuffer){this.div.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);size.w=parseInt(size.w*this.ratio);}
+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.clearTileQueue();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 tilecolremain=offsetlon/tilelon-tilecol;var tileoffsetx=-tilecolremain*this.tileSize.w;var tileoffsetlon=origin.lon+tilecol*tilelon;var offsetlat=bounds.top-(origin.lat+tilelat);var tilerow=Math.ceil(offsetlat/tilelat)+this.buffer;var tilerowremain=tilerow-offsetlat/tilelat;var tileoffsety=-tilerowremain*this.tileSize.h;var tileoffsetlat=origin.lat+tilerow*tilelat;return{tilelon:tilelon,tilelat:tilelat,tileoffsetlon:tileoffsetlon,tileoffsetlat:tileoffsetlat,tileoffsetx:tileoffsetx,tileoffsety:tileoffsety};},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;},initGriddedTiles:function(bounds){this.clearTileQueue();var viewSize=this.map.getSize();var minRows=Math.ceil(viewSize.h/this.tileSize.h)+
+Math.max(1,2*this.buffer);var minCols=Math.ceil(viewSize.w/this.tileSize.w)+
+Math.max(1,2*this.buffer);var origin=this.getTileOrigin();var resolution=this.getServerResolution();var tileLayout=this.calculateGridLayout(bounds,origin,resolution);var tileoffsetx=Math.round(tileLayout.tileoffsetx);var tileoffsety=Math.round(tileLayout.tileoffsety);var tileoffsetlon=tileLayout.tileoffsetlon;var tileoffsetlat=tileLayout.tileoffsetlat;var tilelon=tileLayout.tilelon;var tilelat=tileLayout.tilelat;var startX=tileoffsetx;var startLon=tileoffsetlon;var rowidx=0;var layerContainerDivLeft=parseInt(this.map.layerContainerDiv.style.left);var layerContainerDivTop=parseInt(this.map.layerContainerDiv.style.top);var tileData=[],center=this.map.getCenter();do{var row=this.grid[rowidx++];if(!row){row=[];this.grid.push(row);}
+tileoffsetlon=startLon;tileoffsetx=startX;var colidx=0;do{var tileBounds=new OpenLayers.Bounds(tileoffsetlon,tileoffsetlat,tileoffsetlon+tilelon,tileoffsetlat+tilelat);var x=tileoffsetx;x-=layerContainerDivLeft;var y=tileoffsety;y-=layerContainerDivTop;var px=new OpenLayers.Pixel(x,y);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)});tileoffsetlon+=tilelon;tileoffsetx+=this.tileSize.w;}while((tileoffsetlon<=bounds.right+tilelon*this.buffer)||colidx<minCols);tileoffsetlat-=tilelat;tileoffsety+=this.tileSize.h;}while((tileoffsetlat>=bounds.bottom-tilelat*this.buffer)||rowidx<minRows);this.removeExcessTiles(rowidx,colidx);this.gridResolution=this.getServerResolution();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);tile.events.register("beforedraw",this,this.queueTileDraw);return tile;},addTileMonitoringHooks:function(tile){tile.onLoadStart=function(){if(this.loading===false){this.loading=true;this.events.triggerEvent("loadstart");}
+this.events.triggerEvent("tileloadstart",{tile:tile});this.numLoadingTiles++;};tile.onLoadEnd=function(){this.numLoadingTiles--;this.events.triggerEvent("tileloaded",{tile:tile});if(this.tileQueue.length===0&&this.numLoadingTiles===0){this.loading=false;this.events.triggerEvent("loadend");if(this.backBuffer){this.backBufferTimerId=window.setTimeout(OpenLayers.Function.bind(this.removeBackBuffer,this),this.removeBackBufferDelay);}}};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(deferred){if(!deferred&&!OpenLayers.Animation.isNative){if(this.moveTimerId!=null){window.clearTimeout(this.moveTimerId);}
+this.moveTimerId=window.setTimeout(this.deferMoveGriddedTiles,this.tileLoadingDelay);return;}
+var buffer=this.buffer||1;var scale=this.getResolutionScale();while(true){var tlViewPort={x:(this.grid[0][0].position.x*scale)+
+parseInt(this.div.style.left,10)+
+parseInt(this.map.layerContainerDiv.style.left),y:(this.grid[0][0].position.y*scale)+
+parseInt(this.div.style.top,10)+
+parseInt(this.map.layerContainerDiv.style.top)};var tileSize={w:this.tileSize.w*scale,h:this.tileSize.h*scale};if(tlViewPort.x>-tileSize.w*(buffer-1)){this.shiftColumn(true);}else if(tlViewPort.x<-tileSize.w*buffer){this.shiftColumn(false);}else if(tlViewPort.y>-tileSize.h*(buffer-1)){this.shiftRow(true);}else if(tlViewPort.y<-tileSize.h*buffer){this.shiftRow(false);}else{break;}}},shiftRow:function(prepend){var modelRowIndex=(prepend)?0:(this.grid.length-1);var grid=this.grid;var modelRow=grid[modelRowIndex];var resolution=this.getServerResolution();var deltaY=(prepend)?-this.tileSize.h:this.tileSize.h;var deltaLat=resolution*-deltaY;var row=(prepend)?grid.pop():grid.shift();for(var i=0,len=modelRow.length;i<len;i++){var modelTile=modelRow[i];var bounds=modelTile.bounds.clone();var position=modelTile.position.clone();bounds.bottom=bounds.bottom+deltaLat;bounds.top=bounds.top+deltaLat;position.y=position.y+deltaY;row[i].moveTo(bounds,position);}
+if(prepend){grid.unshift(row);}else{grid.push(row);}},shiftColumn:function(prepend){var deltaX=(prepend)?-this.tileSize.w:this.tileSize.w;var resolution=this.getServerResolution();var deltaLon=resolution*deltaX;for(var i=0,len=this.grid.length;i<len;i++){var row=this.grid[i];var modelTileIndex=(prepend)?0:(row.length-1);var modelTile=row[modelTileIndex];var bounds=modelTile.bounds.clone();var position=modelTile.position.clone();bounds.left=bounds.left+deltaLon;bounds.right=bounds.right+deltaLon;position.x=position.x+deltaX;var tile=prepend?this.grid[i].pop():this.grid[i].shift();tile.moveTo(bounds,position);if(prepend){row.unshift(tile);}else{row.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.XYZ=OpenLayers.Class(OpenLayers.Layer.Grid,{isBaseLayer:true,sphericalMercator:false,zoomOffset:0,serverResolutions:null,initialize:function(name,url,options){if(options&&options.sphericalMercator||this.sphericalMercator){options=OpenLayers.Util.extend({projection:"EPSG:900913",numZoomLevels:19},options);}
+OpenLayers.Layer.Grid.prototype.initialize.apply(this,[name||this.name,url||this.url,{},options]);},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.XYZ(this.name,this.url,this.getOptions());}
+obj=OpenLayers.Layer.Grid.prototype.clone.apply(this,[obj]);return obj;},getURL:function(bounds){var xyz=this.getXYZ(bounds);var url=this.url;if(OpenLayers.Util.isArray(url)){var s=''+xyz.x+xyz.y+xyz.z;url=this.selectUrl(s,url);}
+return OpenLayers.String.format(url,xyz);},getXYZ:function(bounds){var res=this.getServerResolution();var x=Math.round((bounds.left-this.maxExtent.left)/(res*this.tileSize.w));var y=Math.round((this.maxExtent.top-bounds.top)/(res*this.tileSize.h));var z=this.getServerZoom();if(this.wrapDateLine){var limit=Math.pow(2,z);x=((x%limit)+limit)%limit;}
+return{'x':x,'y':y,'z':z};},setMap:function(map){OpenLayers.Layer.Grid.prototype.setMap.apply(this,arguments);if(!this.tileOrigin){this.tileOrigin=new OpenLayers.LonLat(this.maxExtent.left,this.maxExtent.bottom);}},CLASS_NAME:"OpenLayers.Layer.XYZ"});OpenLayers.Layer.OSM=OpenLayers.Class(OpenLayers.Layer.XYZ,{name:"OpenStreetMap",url:['http://a.tile.openstreetmap.org/${z}/${x}/${y}.png','http://b.tile.openstreetmap.org/${z}/${x}/${y}.png','http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],attribution:"Data CC-By-SA by <a href='http://openstreetmap.org/'>OpenStreetMap</a>",sphericalMercator:true,wrapDateLine:true,tileOptions:null,initialize:function(name,url,options){OpenLayers.Layer.XYZ.prototype.initialize.apply(this,arguments);this.tileOptions=OpenLayers.Util.extend({crossOriginKeyword:'anonymous'},this.options&&this.options.tileOptions);},clone:function(obj){if(obj==null){obj=new OpenLayers.Layer.OSM(this.name,this.url,this.getOptions());}
+obj=OpenLayers.Layer.XYZ.prototype.clone.apply(this,[obj]);return obj;},CLASS_NAME:"OpenLayers.Layer.OSM"});OpenLayers.Renderer=OpenLayers.Class({container:null,root:null,extent:null,locked:false,size:null,resolution:null,map:null,featureDx:0,initialize:function(containerID,options){this.container=OpenLayers.Util.getElement(containerID);OpenLayers.Util.extend(this,options);},destroy:function(){this.container=null;this.extent=null;this.size=null;this.resolution=null;this.map=null;},supported:function(){return false;},setExtent:function(extent,resolutionChanged){this.extent=extent.clone();if(this.map.baseLayer&&this.map.baseLayer.wrapDateLine){var ratio=extent.getWidth()/this.map.getExtent().getWidth(),extent=extent.scale(1/ratio);this.extent=extent.wrapDateLine(this.map.getMaxExtent()).scale(ratio);}
+if(resolutionChanged){this.resolution=null;}
+return true;},setSize:function(size){this.size=size.clone();this.resolution=null;},getResolution:function(){this.resolution=this.resolution||this.map.getResolution();return this.resolution;},drawFeature:function(feature,style){if(style==null){style=feature.style;}
+if(feature.geometry){var bounds=feature.geometry.getBounds();if(bounds){var worldBounds;if(this.map.baseLayer&&this.map.baseLayer.wrapDateLine){worldBounds=this.map.getMaxExtent();}
+if(!bounds.intersectsBounds(this.extent,{worldBounds:worldBounds})){style={display:"none"};}else{this.calculateFeatureDx(bounds,worldBounds);}
projects / rails.git / blobdiff