effect of an object when mouseover

When an object(which import from 3DSMAX) mouseover

I want it looks a bit different (for example show border or lighten)

what script should I use?

I am using

public class example : MonoBehaviour { void OnMouseEnter() { } }
for mouseover function

thx for your help

try this it makes the object red

var initialColor : Color;

function Start()
{
   initialColor = renderer.material.color;
}

function OnMouseOver()
{
   renderer.material.color = Color.red;
}

function OnMouseExit()
{
   renderer.material.color = initialColor;
}