How do I make Things appear/disappear with Toggle UIs?

what I want to do is to make the brain mesh appear/disappear with the toggle button at the bottom/left side.

so I made a javascript like this

#pragma strict

var toggleG : boolean;

var LG_P0 : boolean;

var LG_P1 : boolean;

function Start () {

toggleG = GameObject.Find("ToggleGM").GetComponent("isOn");
LG_P0 = GameObject.Find("LG_Part0").GetComponent("Mesh Renderer");
LG_P1 = GameObject.Find("LG_Part1").GetComponent("Mesh Renderer");

}

function Update () {

if (toggleG == true){
	LG_P0 = true;
	LG_P1 = true;
}
else{
	LG_P0 = false;
	LG_P1 = false;
}

}

but as you may guess I failed.

to summarize,
May I ask for a javascript that makes a mesh called “LG_Part0” appear/disappear with a toggle button “Toggle(GM)”??

Try this

function Update () {
 if (toggleG == true){
     LG_P0.enabled = true;
     LG_P1.enabled = true;
 }
 else{
     LG_P0.enabled = false;
     LG_P1.enabled = false;
 }
}