animation script help

can anyone edit my scipt so that when i walk as the scipt says witch i have made it plays my animation so that my character walks here is my script.

    var maxWalkSpeed = 10.0;
var maxTurnSpeed = 100.0;
function Update () {
    // Get the horizontal and vertical axis.
    // By default they are mapped to the arrow keys.
    // The value is in the range -1 to 1
    var walkSpeed = Input.GetAxis ("Vertical") * maxWalkSpeed;
    var turnSpeed = Input.GetAxis ("Horizontal") * maxTurnSpeed;
    // Move translation along the object's z-axis
    transform.Translate (0, 0, walkSpeed * Time.deltaTime);
    // Rotate around our y-axis
    transform.Rotate (0, turnSpeed * Time.deltaTime, 0);
}