Modified poring event

[c2greentea]

-	script	PoringEvent	-1,{

OnClock0030:
OnClock0230:
OnClock0430:
OnClock0630:
OnClock0830:
OnClock1030:
OnClock1230:
OnClock1430:
OnClock1630:
OnClock1830:
OnClock2030:
OnClock2330:
	monster .maps$[(rand(getarraysize(.maps$)))],0,0,"Poring",1002,5,strnpcinfo(3)+"::OnPoringDead";
	announce "Five special Porings have spawned in random town maps!",0;
	end;

OnPoringDead:
	announce strcharinfo(0)+" has killed the Poring!",0;
	getitem 6153,30;
	end;

OnInit:
	setarray .maps$[0],"prontera","morocc","payon";
	end;
}

I want that a random number of Porings be summoned in different random maps, not just in one map. Not all porings shall be summoned in just one random map, but they must be spread in all random maps. I tried this script and players told me they all just spawned in Prontera. Pls help.