final java.lang.reflect.Field field = lineage2.gameserver.ai.DefaultAI.class.getDeclaredField("AI_TASK_DELAY");
field.setAccessible(true);
field.set(char_ai, interval);
if (char_ai.isActive())
{
char_ai.stopAITask();
count++;
WorldRegion region = npc.getCurrentRegion();
if ((region != null) && region.isActive())
{
char_ai.startAITask();