IE: infinitive loop of frames

I have a document produced bu JSP which is contained in a frameset, applicationframe and architectureframe.

Following my code

$frms = @($ie.document.getElementsByTagName("FRAME"))

$frms.count

2   

 comment   that’s OK

$frms[0].Name

$frms[1].Name

ArchitectureFrame

ApplicationFrame

comment   that’s OK

but the Application Frame contains a frameset !!!

$frms2 = @($frms[1].Document.getElementsByTagName("FRAME"))

$frms2[0].Name

$frms2[1].Name

ArchitectureFrame

ApplicationFrame

comment   is this OK ?

but the Application Frame again contains a frameset !!!

$frms3 = @($frms2[1].Document.getElementsByTagName("FRAME"))

$frms3[0].Name

$frms3[1].Name

ArchitectureFrame

ApplicationFrame

comment   what ??????

and again and again,

any clue ???

thx a lot

Eryk