gistfile1.js

void function(root){
   

    function georender(can, obj){ 
      renderFunctions[obj.type](can,obj);
    }

    var renderFunctions = georender.fn = {
        // handle actual rendering here
        point: function(can, obj){},
        circle: function(can, obj{},
        poly: function(can, obj){}
    };


    // export georender
    root['georender'] = georender

}(this)