Got:
Permission denied to get property Window.document on session

when trying to do:
    selenium.isElementPresent("email")

Expected result:
   The field is there so, should be a "true"

code:

import com.thoughtworks.selenium.*;

import java.util.regex.Pattern;

import org.openqa.selenium.server.SeleniumServer;

public class DesktopTest1 extends SeleneseTestCase {

private static final String MAX_WAIT_TIME_IN_MS = "60000";
private static final String BASE_URL = "http://localhost:8085/";
private Selenium selenium;
private SeleniumServer seleniumServer;

public void setUp() throws Exception {
seleniumServer = new SeleniumServer();
//seleniumServer.setProxyInjectionMode(true);
seleniumServer.stop();
seleniumServer.start();
}

public void tearDown() throws Exception {
selenium.stop();
seleniumServer.stop();
}

public void testNewFirefox() throws Exception {
selenium = new DefaultSelenium("localhost", 4444, "*firefox", BASE_URL);
selenium.start();
body();
selenium.stop();
}

public void testNewExplorer() throws Exception {
selenium = new DefaultSelenium("localhost", 4444, "*iexplore", BASE_URL);
selenium.start();
body();
selenium.stop();
}


public void body() throws Exception {

selenium.open("http://localhost:8085/desktop/");

selenium.click("//td[3]/table/tbody/tr/td[2]/div");
for (int second = 0;; second++) {
if (second >= 60)
fail("timeout");
try {
if (selenium.isElementPresent("email"))
break;
} catch (Exception e) {
}

Thread.sleep(1000);
}

selenium.type("email", "javier.garcia@saasplex.com");
selenium.click("//button");
selenium.click("//span/input");
selenium.type("username", "admin");
selenium.type("password", "p");
selenium.click("//button");
for (int second = 0;; second++) {
if (second >= 60)
fail("timeout");
try {
if (selenium.isElementPresent("username"))
break;
} catch (Exception e) {
}
Thread.sleep(1000);
}

selenium.type("username", "admin");
selenium.click("//span/input");
selenium.type("password", "password");
selenium.click("//button");
for (int second = 0;; second++) {
if (second >= 60)
fail("timeout");
try {
if (selenium.isElementPresent("icon+Tools"))
break;
} catch (Exception e) {
}
Thread.sleep(1000);
}

selenium.click("//button[@type='button']");
selenium.click("//button");
selenium.click("//td[@id='logoutcaption']/div");
}
}