Basic JavaScript Class with gets/sets

jsclass.js

window.onload = function(){

  function Car(type, year, value){
		this.type = type;
		this.year = year;
		this.value = value;

		this.setType = function(t){
			this.type = t;
		}

		this.getType = function(){
			return this.type;
		}

		this.setYear = function(y){
			this.year = y;
		}

		this.getYear = function(){
			return this.year;
		}

		this.setValue = function(v){
			this.value = v;
		}

		this.getValue = function(){
			return this.value;
		}
	}

}