Will check if avatar is away or busy when Touched.
default
{
touch_start(integer buf)
{
buf = llGetAgentInfo(llDetectedKey(0));
string out;
if(buf & AGENT_AWAY)
out += "The agent is Away.n";
else
out += "The agent is not Away.n";
if(buf & AGENT_BUSY)
out += " The agent is Busy.n";
else
out += " The agent is not Busy.n";