void main()
{
     object oPC=GetClickingObject();
     object oMe=OBJECT_SELF;
     string sTitle=GetLocalString(oMe,"sTitle");
     int nCost=GetLocalInt(oMe,"nCost");
     string sTID=GetLocalString(oPC,"sTeamID");
     string sAID=GetLocalString(GetArea(oMe),"sTeamID");
     int nGold=GetGold(oPC);
     if (sTID==sAID&&nGold>=nCost)
     { // okay to do extend
         SetLocalObject(oPC,"oLairExtend",oMe);
         AssignCommand(oPC,ClearAllActions());
         AssignCommand(oPC,ActionStartConversation(oPC,"lair_extend",TRUE,FALSE));
     } // okay to do extend
     else if (sTID==sAID)
     { // not enough gold
         FloatingTextStringOnCreature("You do not have enough gold to activate the "+GetLocalString(oMe,"sTitle")+" it costs "+IntToString(nCost)+" gold.",oPC,FALSE);
     } // not enough gold
     else
     { // not your lair
         SendMessageToPC(oPC,"You cannot extend the lair of other teams.");
     } // not your lair
}