public attack(ent)
{
	if(!is_valid_ent(ent))
		return FMRES_IGNORED
 
	static victim
	static Float:Origin[3], Float:VicOrigin[3], Float:distance
 
	victim = FindClosesEnemy(ent)
	pev(ent, pev_origin, Origin)
	pev(victim, pev_origin, VicOrigin)
 
	distance = get_distance_f(Origin, VicOrigin)
 
	if(is_user_alive(victim))
	{
		if(distance <= 100.0)
		{
			if(!is_valid_ent(ent))
				return FMRES_IGNORED	
 
			new Float:Ent_Origin[3], Float:Vic_Origin[3]
 
			pev(ent, pev_origin, Ent_Origin)
			pev(victim, pev_origin, Vic_Origin)			
 
			npc_turntotarget(ent, Ent_Origin, victim, Vic_Origin)
 
			entity_set_float(ent, EV_FL_animtime, get_gametime())
			entity_set_float(ent, EV_FL_framerate, 1.0)
			entity_set_int(ent, EV_INT_sequence, 4)	
 
			//emit_sound(victim, CHAN_BODY, skill_bite_sound, 1.0, ATTN_NORM, 0, PITCH_NORM)
 
			static arg[2]
			arg[0] = ent
			arg[1] = victim
 
			set_task(0.5, "npc_attack", _, arg, sizeof(arg))
			set_task(1.0, "npc_attack2", victim)
			entity_set_float(ent, EV_FL_nextthink, get_gametime() + 3.0)
		} 
		else 
		{
 
			if(pev(ent, pev_sequence) != 5)
			{
				entity_set_float(ent, EV_FL_animtime, get_gametime())
				entity_set_float(ent, EV_FL_framerate, 1.0)
				entity_set_int(ent, EV_INT_sequence, 5)
			}
 
			new Float:Ent_Origin[3], Float:Vic_Origin[3]
 
			pev(ent, pev_origin, Ent_Origin)
			pev(victim, pev_origin, Vic_Origin)
 
			npc_turntotarget(ent, Ent_Origin, victim, Vic_Origin)
			hook_ent(ent, victim)
 
			entity_set_float(ent, EV_FL_nextthink, get_gametime() + 0.5)
		}
	} 
	else 
	{
		if(pev(ent, pev_sequence) != 4)
		{
			entity_set_float(ent, EV_FL_animtime, get_gametime())
			entity_set_float(ent, EV_FL_framerate, 1.0)
			entity_set_int(ent, EV_INT_sequence, 4)
		}
 
		entity_set_float(ent, EV_FL_nextthink, get_gametime() + 1.0)
	}
	return FMRES_HANDLED;
}