Help me It keeps giving me error Unknown identifier 'Fire'

Questions & Answers
1

var Projectile: Transform;
var firerate: float = 0.3;
private var nextFire: float = 0.5;
var Ammo: int = 30;
var empty: boolean = false;

function Update () {

if (Input.GetButton("Fire1")&&Time.time > nextFire)
{
	if(Ammo > 0){
	Fire();
	}
	else{
	return;
	}
	
}

if(Input.GetKeyUp("r")){
if(empty){
	Reload();
	}
}

if(Ammo <= 0){
	audio.playOnAwake();
empty = true;
}
else{
empty = false;
}

}
fuction Fire(){

audio.PlayOneShot();
	nextFire = Time.time + fireRate;
	
	var shot = Instantiate(Projectile, transform.position, Quaternion.identity);
	shot.rigidbody.AddForce (transform.forward * 3000);
	Ammo--;
}

fuction OnGUI(){
	GUI.Box (Rect(Screen.width - 100, 20, 100, 80), "");
	GUI.Label (Rect (Screen.width - 100, 35, 90, 20), "Ammo:" + Ammo);
	GUI.Label (Rect (Screen.width - 100, 20, 90, 20), "Health" + PlayerHealth.currentHealth);

if(empty){
GUI.contentColor = Color.red;
GUI.Label (Rect (Screen.width - 100, 50, 90, 20), "RELOAD");

	}
}

@script ExecuteInEditMode()
2

fuction Fire(){

and 

fuction OnGUI(){

should be

function Fire(){

function OnGUI(){