diff --git a/background.js b/background.js
index 8bd0679..95aed10 100644
--- a/background.js
+++ b/background.js
@@ -1,9 +1,7 @@
-$.get(chrome.extension.getURL('/injected.js'), 
-	function(data) {
-		var script = document.createElement("script");
-		script.setAttribute("type", "text/javascript");
-		script.innerHTML = data;
-		document.getElementsByTagName("head")[0].appendChild(script);
-		document.getElementsByTagName("body")[0].setAttribute("onLoad", "injected_main();");
-	}
-);
+chrome.browserAction.setBadgeText({text: "on"});
+//При нажатии иконки расширения вызывается данная функция
+chrome.browserAction.onClicked.addListener(function() {
+    chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
+        chrome.tabs.sendMessage(tabs[0].id, {command: "show"});
+    });
+});
diff --git a/inject.js b/inject.js
new file mode 100644
index 0000000..be77c60
--- /dev/null
+++ b/inject.js
@@ -0,0 +1,19 @@
+//По окончании загрузки документа вызывается функция
+$(document).ready(function() {
+	var timerId = setInterval(show, 2000);
+	setTimeout(function() {
+		clearInterval(timerId);
+	}, 7000);
+})
+
+//При получении команды 'show' показывает ответы
+chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) { 
+	if(request.command==="show") show();
+});
+
+//Показать ответы
+function show() { 
+	$('*[class^="correct"]').show().removeClass("ng-hide").parent().show().removeClass("ng-hide"); 
+	$("table.ng-hide").removeClass("ng-hide"); 
+	$("section").css("user-select","initial");
+}
\ No newline at end of file
diff --git a/injected.js b/injected.js
deleted file mode 100644
index 7fdd136..0000000
--- a/injected.js
+++ /dev/null
@@ -1,11 +0,0 @@
-function injected_main() {
-	var timerId = setInterval(show, 2000);
-	setTimeout(function() {
-	  clearInterval(timerId);
-	}, 7000);
-}
-function show() {
-	$('*[class^="correct"]').show().removeClass("ng-hide").parent().show().removeClass("ng-hide"); 
-	$("table.ng-hide").removeClass("ng-hide"); 
-	$("section").css("user-select","initial");
-}
diff --git a/manifest.json b/manifest.json
index 49f1300..3223216 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,15 +12,18 @@
 	"browser_action": {
 		"default_icon": "icon.png"
 	},
+	"background": {
+		"scripts": ["background.js"]
+	},
 	"content_scripts": [
 		{
 			"matches": [ "*://www.cambridgelms.org/*" ],
-			"js": [ "jquery.js", "background.js" ],
+			"js": [ "jquery.js", "inject.js" ],
 			"run_at": "document_end",
 			"all_frames": true
 		}
 	],
-	"web_accessible_resources": [
-		"/injected.js"
+	"permissions": [  
+		"tabs"
 	]
 }
\ No newline at end of file