// pre-cache 'filename' button state images

if (document.images) {
var home_up = new Image(161,73)
home_up.src = "../images/butt_home_up.gif"
var home_over = new Image(161,73)
home_over.src = "../images/butt_home_over.gif"
}
if (document.images) {
var about_up = new Image(158,73)
about_up.src = "../images/butt_about_up.gif"
var about_over = new Image(158,73)
about_over.src = "../images/butt_about_over.gif"
}
if (document.images) {
var parties_up = new Image(181,73)
parties_up.src = "../images/butt_parties_up.gif"
var parties_over = new Image(181,73)
parties_over.src = "../images/butt_parties_over.gif"
}
if (document.images) {
var fun_up = new Image(217,73)
fun_up.src = "../images/butt_fun_up.gif"
var fun_over = new Image(217,73)
fun_over.src = "../images/butt_fun_over.gif"
}
if (document.images) {
var bookings_up = new Image(223,73)
bookings_up.src = "../images/butt_bookings_up.gif"
var bookings_over = new Image(223,73)
bookings_over.src = "../images/butt_bookings_over.gif"
}
// function that displays status bar message

function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}
// functions that swap images

function di(id,name){
  if (document.images) document.images[id].src=eval(name+".src");
}