var self = this;
	self.firstName = ko.observable();
	self.lastName = ko.observable();
	self.fullName = ko.computed(function(){
		return self.firstName + " " + self.lastName;
	});
};

var viewModel2 = function(){
	var self = this;
	self.premium = ko.observable();
};

ko.applyBindings(new viewModel1(), document.getElementById("container1"));
ko.applyBindings(new viewModel2(), document.getElementById("container2"));