If Monsters from list are avalible on battlelist return 1

[proqix]

1 - Add fo macro function Creatures.MonsterOnScreen(Name1, Name2, ...)
return 1 if in battle list is anyone monster from param.
2 Its very usefull for example if we well equipe stealts ring if on screen are powerfull monsters (Orc Warlord etc...) then low mobs dont block you and u can easly kill highest mobs.