How to identify pop ups in QTP

[fariha]

Hi
I am new in QTP. I wnt to know how i identify pop ups in web pages.

Scenario:-
When i click on login link, login pop up appear.

Recording:-

Code:

Browser("...").Page("...").Link("Login").Click
Browser("...").Page("...").WebEdit("WebEdit").Set "..."
Browser("...").Page("...").WebEdit("WebEdit_2").SetSecure "..."
Browser("...").Page("...").WebButton("...").Click

Error:
Cannot identify the object "WebEdit_2" (of class WebEdit). Verify that this object's properties match an object currently displayed in your application.

Please provide its solution:

Fariha