problem in attaching windows messenger

i am facing problem in attaching windows messenger in a website.

before this i have enabled yahoo messenger . taht is working properly.

<a href = "ymsgr:">. by this way i have enabled yahoo messenger.

but what when i m using windows messenger.

Your post is going to be deleted or moved because you have posted in the wrong forum. Try the General web building forum.

wrong forum, but in IE its msnim:example@hotmail.com
as far as i no it only works in IE