Shoutbox

I don't know JS at all, so as a learning experience I just started throwing things together, and naturally I've run into some questions.

First question
The following code works fine when I type !whatevercommand, but I also want my contacts to be able to type !whatevercommand, have the script respond to them, and increment the nbrPoke++.

code:

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function OnEvent_ChatWndSendMessage(ChatWnd, Message) {

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... there was a lot more in here; I'm just including the relevent stuff...

code:

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        if(Message.substr(0,5).toLowerCase()=="!poke"){
        nbrPoke++;
        var z = Math.floor((Math.random()*(xArray.length-1)));
        return "*" + Messenger.MyName + " pokes with a pointy stick* \n" +xArray[z];
    }

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Any tips on doing what I need to do?

Second question
I can't understand Messenger.MyContacts. For example, here,

code:

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aArray[6] = "*" + Messenger.MyName +" attacks " + Messenger.MyContacts + "*";

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MyName works fine, but Contacts just produces a blank space.
I read in the documentation that this could happen due to the contact being logged out, but that wasn't the case here.

Thanks for any help