diff --git a/lib/chrome.js b/lib/chrome.js
index b710878..09fafa1 100644
--- a/lib/chrome.js
+++ b/lib/chrome.js
@@ -7,6 +7,9 @@ var FILE = require("lib/file");
 var HTTP = require("lib/http");
 var Websocket = require("lib/websocket");
 
+// for remote debugging
+var pageEventId = 0;
+
 var ChromeObject = function() {
 	this.workingDirectory = SYS.getEnvString("PROGRAMFILES") + "\\Google\\Chrome\\Application";
 	this.binPath = SYS.getEnvString("PROGRAMFILES") + "\\Google\\:installedDir\\Application\\chrome.exe";
@@ -23,7 +26,6 @@ var ChromeObject = function() {
 	
 	// for remote debugging
 	this.debuggingPort = 0;
-	this.pageEventId = 1;
 	this.pageId = "";
 	this.ws = Websocket.create();
 
@@ -196,7 +198,7 @@ var ChromeObject = function() {
 	
 	this.getPageList = function() {
 		if (this.debuggingPort > 0) {
-			return HTTP.get("http://localhost:" + this.debuggingPort + "/json");
+			return HTTP.get("http://127.0.0.1:" + this.debuggingPort + "/json");
 		} else {
 			console.error("Remote debugging unavailable");
 			return [];
@@ -224,12 +226,12 @@ var ChromeObject = function() {
 	
 	this.sendPageRPC = function(method, params) {
 		if (this.pageId != "") {
-			this.ws.send("ws://localhost:" + this.debuggingPort + "/devtools/page/" + this.pageId, JSON.stringify({
-				"id": this.pageEventId,
+			this.ws.send("ws://127.0.0.1:" + this.debuggingPort + "/devtools/page/" + this.pageId, JSON.stringify({
+				"id": pageEventId,
 				"method": method,
 				"params": params
 			}));
-			this.pageEventId++;
+			pageEventId++;
 			console.info("ChromeObject().sendPageRPC() -> Sent");
 		} else {
 			console.error("pageId not specified");
@@ -249,6 +251,10 @@ var ChromeObject = function() {
 			"expression": expression
 		});
 	};
+
+	this.focus = function() {
+		return this.evaluate("window.focus()");
+	};
 };
 
 exports.create = function() {