// Image rollover script by Peter-Paul Koch
//            www.quirksmode.org

window.onload = init;

function init() {
 if (document.getElementById)
  var x = document.getElementById('menu').getElementsByTagName('IMG');
 else if (document.all)
  var x = document.all['menu'].all.tags('IMG');
 else return;
 var preloads = new Object();
 for (var i=1;i<((x.length) - 1);i++) {
  preloads['n'+x[i].id] = new Image;
  preloads['n'+x[i].id].src = 'pictures/menu/'+ x[i].id + 'a.jpg';
  preloads['o'+x[i].id] = new Image;
  preloads['o'+x[i].id].src = 'pictures/menu/'+ x[i].id + 'b.jpg';
  x[i].onmouseover = function () {
   this.src=preloads['o'+this.id].src;
  }
  x[i].onmouseout = function () {
   this.src=preloads['n'+this.id].src;
  }
 }
}