Module including jQuery and session.js, and then removing them from global scope

script.js

//My own global object
var clauswitt = (function($, s, c, undefined) {
	//Make sure the module is an object. 
	c=c||{};
	//Set session object on the module (session from session.js)
	c.session = s;
	c.init = function() {
		//Deleting global objects
		delete window.session;
		delete window.jQuery; 
		delete window.$;
	};
	//Call init when dom is loaded.
	$(c.init);
	//return the module
	return c;
})(jQuery, session, clauswitt); //include jQuery, session.js and the global object