function Proto () {
}

Proto.prototype = new Object()

function extra() {
	anotherglobal = 3;
}

Proto.prototype.myfunc = function() {
	var oo = inst;
	
	myglobal = 2;
	extra();
	
	this.foo = 3;
	
	globalString = "77" + globalString;
	return globalString;
}