/**
 * Google Maps API 2.0
 * MapBox integration.
 *
 * Do not remove the MapBox or OpenStreetMap attribution from this code,
 * doing so is in violation of the terms of both licenses.
 */

/**
 * Factory function for a MapBox layer for use with a
 * Google Map
 *
 * @param {string} layername
 *  layername in the TMS schema
 * @param {string} layertitle
 *  layer will be called in the user interface
 * @param {object} options
 *   minZoom - minimum zoomed out
 *   maxZoom - maximum zoomed in
 *   overlay - boolean, whether an overlay or not
 *   type - filetype, default png
 *   opacity - int opacity of tile overlays
 * @return {GMapType} map
 *  GMapType object 
 */

var GMapBox;GMapBox=function(layername,layertitle,options){var copyright,copyrightCollection,tilelayers,GMapTypeOptions;if(options===undefined){options={};}if(options.minZoom===undefined){options.minZoom=0;}if(options.maxZoom===undefined){options.maxZoom=13;}if(options.type===undefined){options.type='png';}if(options.osm){copyright=new GCopyright(1,new GLatLngBounds(new GLatLng(-90,-180),new GLatLng(90,180)),0,"<a href='http://mapbox.com/'><img src='http://js.mapbox.com/img/mapbox.png'></a><br />Data &copy; OSM CCBYSA");}else{copyright=new GCopyright(1,new GLatLngBounds(new GLatLng(-90,-180),new GLatLng(90,180)),0,"<a href='http://mapbox.com/'><img src='http://js.mapbox.com/img/mapbox.png'></a><br />");}copyrightCollection=new GCopyrightCollection();copyrightCollection.addCopyright(copyright);CustomTilesUrl=function(a,b){a.y=Math.abs(a.y-(Math.pow(2,b)-1));return"http://a.tile.mapbox.com/1.0.0/"+layername+"/"+b+"/"+a.x+"/"+a.y+"."+options.type;};if(options.overlay===true){tilelayers=new GTileLayer(copyrightCollection,options.minZoom,options.maxZoom);tilelayers.getTileUrl=CustomTilesUrl;tilelayers.isPng=function(){return(options.type==='png');};tilelayers.getOpacity=function(){return options.opacity;};return new GTileLayerOverlay(tilelayers);}else{tilelayers=[new GTileLayer(copyrightCollection,options.minZoom,options.maxZoom)];tilelayers[0].getTileUrl=CustomTilesUrl;GMapTypeOptions={minResolution:options.minZoom,maxResolution:options.maxZoom};return new GMapType(tilelayers,new GMercatorProjection(options.maxZoom+1),layertitle,GMapTypeOptions);}};