I need to know whether the webpage is the top active IE window with javascript code

hi all ;
     I am new guy!
     I need to know whether the webpage is  the top active
IE window
with javascript in the webpage,when I open 2 or more IE
window.

tks in advance!
 victor.zou


--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the
Google Groups "JavaScript Forum" group.
To post to this group, send email to
JavaScript-Informationgooglegroups.com
To unsubscribe from this group, send email to
JavaScript-Information-unsubscribegooglegroups.com
For more options, visit this group at http://groups.google.com/group/JavaScript-Information
?hl=en
-~----------~----~----~----~------~----~------~--~---