/*
*
* My problem is not being able to identify 't' as a Troll()
*
*/

function Troll() {}
Troll.prototype = new jaws.Sprite({})
var t = new Troll()

t.constructor.name // "Sprite" ... how to I identify t as a Troll?

// Sure, I can do 'this.type = Troll' or simular inside Troll(), but a native way would be best.