video chat

Hello, I have created a social network in ning and want to add the button of the video chat in the principal page of my network, already I have created the room of the video chat as he says to me in the instricciones and I have followed them until it gives me a code that he says to me that it should stick it where there wants that apareceza the button of the video chat but when I make it it me does not appear at all, where this code has to stick and of that form has to be done.
I do it in the option of appearance of my network ning, graces might help me, I they send also a copy of the code that gives me the page of blendapps thank you very much
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<!-- BLENDAPPS.COM CHAT BUTTON START -->Open Chat!<!-- BLENDAPPS.COM CHAT BUTTON END -->