Open Script Exercise : Navigate to a site and wait for the page to load completely

import oracle.oats.scripting.modules.basic.api.*;
import oracle.oats.scripting.modules.basic.api.exceptions.AbstractScriptException;
import oracle.oats.scripting.modules.browser.api.*;
import oracle.oats.scripting.modules.functionalTest.api.*;
import oracle.oats.scripting.modules.utilities.api.*;
import oracle.oats.scripting.modules.utilities.api.sql.*;
import oracle.oats.scripting.modules.utilities.api.xml.*;
import oracle.oats.scripting.modules.utilities.api.file.*;
import oracle.oats.scripting.modules.webdom.api.*;
import oracle.oats.scripting.modules.formsFT.api.*;

public class script extends IteratingVUserScript {
    @ScriptService oracle.oats.scripting.modules.utilities.api.UtilitiesService utilities;
    @ScriptService oracle.oats.scripting.modules.browser.api.BrowserService browser;
    @ScriptService oracle.oats.scripting.modules.functionalTest.api.FunctionalTestService ft;
    @ScriptService oracle.oats.scripting.modules.webdom.api.WebDomService web;
    @ScriptService oracle.oats.scripting.modules.formsFT.api.FormsService forms;

    public void initialize() throws Exception {
        browser.launch();
    }

    /**
     * Add code to be executed each iteration for this virtual user.
     */
    public void run() throws Exception {
        // Navigate to Three Sites and Wait for the Sites to Completely load the page
        this.naviagate_site("http://www.yahoo.com");   
        this.naviagate_site("http://www.google.com");       
        this.naviagate_site("http://www.gmail.com");
    }
    public void naviagate_site(String site_name) throws Exception
    {
        web.window("/web:window[@index='0']").navigate(site_name);
        //  wait for object /web:window[@index='0' or @title='Yahoo! India']/web:document[@index='0']/web:a
        //    The Value waitForPage(null) - null uses the default time out from Open Script Preferences
        //  Got to View > Open Script Preferences
        //  In the Treeview Navigate to "Open Script > Playback > Web Functional"
        //  Set timeout to : 20 secs under Object Timeout
        web.window("/web:window[@index='0']").waitForPage(null);
       
    }

    public void finish() throws Exception {
    }
}