parent and child page - Refresh Problem?

[Alvin chew]

hi, i have 2 pages, say page1 for parentpage, page2 for childpage(page called from page1 button) , i want to create a button in page2 which when user click on it..it allow to refresh parent page ..how to i do that ?

between, is there any other method to refresh page itself ? as what i know so far by following method

<meta http-equiv="refresh" content="30; URL="page.html""> 

thank you very much for answering !

[Eric Pascarello]

http://www.google.com/search?sourceid=navclient&ie=UTF-8&q=javascript+refresh+parent

[Nipun Seth]

On page 2, on the onClick of the button call a function with the following piece of code written in it :-

parent.window.navigate("//Link of page 1");