var img_ss = new Array ();
var img_si = new Array ();
function img_preload () {
 var n = img_ss . length;
 for (var i = img_si . length; i < n; i ++) {
  var img = new Image;
  img . src = img_ss [i];
  img_si [i] = img;
 }
}
function menu_over () {
 this . src = this . src . replace (/-normal\./, "-hover.");
}
function menu_out () {
 this . src = this . src . replace (/-hover\./, "-normal.");
}
function menu_seth (node) {
 if (node . nodeName == "IMG") {
  var src1 = node . src;
  var src2 = src1 . replace (/-normal\./, "-hover.");
  if (src1 != src2) {
   node . onmouseover = menu_over;
   node . onmouseout = menu_out;
   img_ss [img_ss . length] = src1;
   img_ss [img_ss . length] = src2;
  }
 } else {
  var cns = node . childNodes;
  if (cns) {
   var cnsn = cns . length;
   for (var i = 0; i < cnsn; i++)
    menu_seth (cns [i]);
  }
 }
}
function menu_init (id) {
 if (document . getElementById)
  menu_seth (document . getElementById (id));
 else if (document . all)
  menu_seth (document . all [id]);
 else if (document . layers)
  menu_seth (document . layers [id]);
}