In Javascript, Difference Between `new MyFunction()` and `new MyFunction`

Question

Possible Duplicate:
new MyClass(); vs new MyClass;

Given a Javascript function like...

var MyFunction = function() {
    /*  Any arbitrary Javascript */
}

Are the two following lines of Javascript semantically exactly the same?

func_obj = new MyFunction()

...

func_obj = new MyFunction

i.e., is the () just syntactical sugar?

Thanks.