how can i fix this up so i can teleport?

#pragma strict

function Start () {

}

function Update () {

}
var: up=true

if touching object{
if var (up)==true{
goto (x,y,z)
}
}
if touching object{
if var (up)==false{
goto (x,y,z)
}
}

Learning programming. There is a lot of resources out there, example:

http://forum.unity3d.com/threads/69938-Unity-3-Video-Training-Course-(FREE)-Walker-Boys