Im trying to make it so when i click an object in my game it takes me to my other world. heres there script im using now. im am very new to scripting and i wouldnt be suprised if i did this wrong. Its in javascript

if(OnMouseUp) [ Application.LoadLevel (1) ];

It says OnMouseUp is an unknown identifier

function OnMouseUp(){
 Application.LoadLevel(1);
}

Apply it to a gameobject with collider to receive your mouse clicks.