not able to identify object testng-selenium

Hi,
i am using selenium with testng to automate my crm application.when i try to click on link by using @test annotation, it is not identifing and clicking on the specified link .it showing the error the error :admin_link not found.

this is the code i am trying to automate:


@Test(description="click on create lead and create lead")
public void createLead() {
selenium.click("//*[@id='admin_link']");

selenium.waitForPageToLoad("30000");
}

xpath=(//*[@id="admin_link"]) OR try to identify by name