Error line 22! Help. i dont know why?

Questions & Answers
1

function Start () {

// Select the first weapon
SelectWeapon(0);

}

function Update () {

// Did the user press fire?
if (Input.GetButton ("Fire1"))
    BroadcastMessage("Fire");

if (Input.GetKeyDown("1")) {
    SelectWeapon(0);
}   
else if (Input.GetKeyDown("2")) {
    SelectWeapon(1);
}   
else if (Input.GetKeyDown("3")) {
    if (gameObject("AssultRifle").SetActiveRecursively(true));{
    SelectWeapon(2);
    }
    else if (gameObject("AssultRifle").SetActiveRecursively(false));{
    SelectWeapon(null);
    }

}

2

you have a ; after an if-statement (actually after both but unity stopped on the first one).Remove them both, that should fix it.