BUILDIN_FUNC(mobexists)	//added code start
{
	struct mob_db *mob, *mob_array[MAX_SEARCH];
	const char* mob_id = script_getstr(st,2);
	int count;
	int i, j, k;

	if (!mob_id){
	ShowError("buildin_mobexists: No Monster ID set.");
	return -1;
	}
	// If monster identifier/name argument is a name
	if ((i = mobdb_checkid(atoi(mob_id))))
	{
		mob_array[0] = mob_db(i);
		count = 1;
	} else
		count = mobdb_searchname_array(mob_array, MAX_SEARCH, mob_id);
	if (!count) {
		script_pushint(st,-1);
	}
	if (count > MAX_SEARCH) {
		count = MAX_SEARCH;
	}
	for (k = 0; k < count; k++) {
		mob = mob_array[k];
		for (i = 0; i < ARRAYLENGTH(mob->spawn) && mob->spawn[i].qty; i++)
		{
			j = map_mapindex2mapid(mob->spawn[i].mapindex);
			if (j < 0) continue;
		}
		if (i == 0)
		{
			script_pushint(st,-1);
		}
		else
		{
			script_pushint(st,1);
		}
	}
	return 0;
}	//added code end