function enter(pi) {
    var eim = pi.getEventInstance();
    var area = eim.getIntProperty("statusStg5");
    var reg = 1;
    
    if((area >> reg) % 2 == 0) {
        area |= (1 << reg);
        eim.setIntProperty("statusStg5", area);
        
	pi.warp(926100301 + reg, 0); //next
        return(true);
    } else {
	pi.playerMessage(5, "This room is already being explored.");
        return(false);
    }
}