Shoutbox

The following should do the job:

code:

---

//Declare status constants
var statusAppearOffline = 2;
var statusOnline = 3;
var statusBusy = 4;
var statusBeRightBack = 5;
var statusAway = 7;
var statusInACall = 8;
var statusOutToLunch = 9;

function OnEvent_ContactSignin(strEmail) {

    switch (strEmail) {
        //Set my status to 'Appear Offline' when Bob comes online
        case "bob@hotmail.com":
            Messenger.MyStatus = statusAppearOffline;
            return;

        //Set my status to 'Busy' when Jane comes online
        case "jane@hotmail.com":
            Messenger.MyStatus = statusBusy;
            return;

    }

}

---

IMPORTANT: This will only work when you're on Messenger and the contact signs in, not if they're already online when you sign in.

EDIT: Fixed up something in the code thanks to CookieRevised.