SLObject = Class.create({

  ininitialize: function(element){
    if(element instanceof SLObject){
      return;
    } else if(Object.isString(element)){
      this.element = document.getElementById(element);
    } else {
      this.element = element;
    }
  },

  addMethods: function(methods){

    var method;
    for(var name in methods){
      method = methods[name];
      if(typeof this.element[name] != 'function')
         this.element[name] = method.curry(element);
    }
  }
});

function $SL(element){
  return new SLObject(element);
};

//Usage
$SL('element_id').addMethods(Proto.Silverlight.Methods);