<!--

  var browserOK = false;
  var pics;

  browserOK = true;
  pics = new Array();


var objCount = 0;

function preload(name, first, second) {  

 

  if (browserOK) {     
    pics[objCount] = new Array(3);
    pics[objCount][0] = new Image();
    pics[objCount][0].src = first;
    pics[objCount][1] = new Image();
    pics[objCount][1].src = second;
    pics[objCount][2] = name;
    objCount++;
  }
}

function on(name){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
      if (document.images[pics[i][2]] != null)
        if (name != pics[i][2]) { 
  
          document.images[pics[i][2]].src = pics[i][0].src;
        } else { 
           document.images[pics[i][2]].src = pics[i][1].src;
        }
    }
  }
}

function off(){
  if (browserOK) {
     for (i = 0; i < objCount; i++) {
        if (document.images[pics[i][2]] != null) 
        document.images[pics[i][2]].src = pics[i][0].src;
    }
  }
}

preload("link1", "images/button/menu1_01.jpg", "images/button/menu2_01.jpg");
preload("link2", "images/button/menu1_02.jpg", "images/button/menu2_02.jpg");
preload("link3", "images/button/menu1_03.jpg", "images/button/menu2_03.jpg");
preload("link4", "images/button/menu1_04.jpg", "images/button/menu2_04.jpg");
preload("link5", "images/button/menu1_05.jpg", "images/button/menu2_05.jpg");
-->