chrome webRequest onBeforeRequest addListener function details return

	chrome.webRequest.onBeforeRequest.addListener(
		function (details) {
			return {
				redirectUrl: details.url.replace('http://spaces.ru/js/', 'http://js-spaces.ru/common_branch_for_js/templates/JS/')
			};
		}, 
		{urls: ["http://spaces.ru/js/*"]}, 
		["blocking"]
	);