define(function (require, exports, module) {
	exports.targetId = window.targetExtensionId;
	var port = chrome.runtime.connect(exports.targetId);

	port.onMessage = function (message) {

	};
	port.onDisconnect = function () {

	};

	exports.postMessage = function (message) {
		port.postMessage(message);
	};

	exports.sendMessage = function (m, response) {
		if (!exports.targetId)
			throw "extension not connected.";

		chrome.runtime.sendMessage(exports.targetId, m, response || function () { });
	};
});