/** Copyright (C) 2002 Dan Heuston. **/
/** All rights reserved.            **/

/* Global variables */ 
 maps = new Array(picDir + "\/mapM25.jpg", picDir + "\/mapUpm.jpg", picDir + "\/mapSML.jpg")
 currmap = 1
 
function rollOvers() {

 if(document.images) {
 
  M25map = new Image
  Upmmap = new Image
  SMLmap = new Image
  
  M25map.src = maps[0]
  Upmmap.src = maps[1]
  SMLmap.src = maps[2]
 }
 else {
 
  M25map = ""
  Upmmap = ""
  SLMmap = ""
  
 }  
 
 document.maps.src = maps[currmap]
}



function zoomMap(direction) {

  currmap = currmap + direction

  if(currmap > 2)
   currmap = 2
  if(currmap < 0)
   currmap = 0

  document.maps.src = maps[currmap]

}