L.Mask=L.Polygon.extend({options:{stroke:true,weight:1,color:'purple',fillOpacity:0.7,fillColor:'#FFF',clickable:false,outerBounds:new L.LatLngBounds([-90,-360],[90,360])},initialize:function(latLngs,options){var outerBoundsLatLngs=[this.options.outerBounds.getSouthWest(),this.options.outerBounds.getNorthWest(),this.options.outerBounds.getNorthEast(),this.options.outerBounds.getSouthEast()];L.Polygon.prototype.initialize.call(this,[outerBoundsLatLngs,latLngs],options);},});L.mask=function(latLngs,options){return new L.Mask(latLngs,options);};