/*
[------------------------------------------------------------------------]
[-Feel free to use/abuse/steal the following code as long as credit is given.-]
[---------------------------:[Andrew Hocker]:---------------------------]
[------------------------------------------------------------------------]
*/

var plus = new Image();
  plus.src = "images/plus.gif";
var minus = new Image();
  minus.src = "images/minus.gif";
var item = new Image();
  item.src = "images/item.gif";

function door(obj){
  obj = obj.parentNode;
  obj.className = (obj.className == 'open') ? 'closed' : 'open';
  return false;
}