if (document.images) {
  sndmenu_B1_off = new Image(); sndmenu_B1_off.src = "buttons/sndmenu_B1.gif"
  sndmenu_B1_over = new Image(); sndmenu_B1_over.src = "buttons/sndmenu_B1_over.gif"
  sndmenu_B2_off = new Image(); sndmenu_B2_off.src = "buttons/sndmenu_B2.gif"
  sndmenu_B2_over = new Image(); sndmenu_B2_over.src = "buttons/sndmenu_B2_over.gif"
  sndmenu_B3_off = new Image(); sndmenu_B3_off.src = "buttons/sndmenu_B3.gif"
  sndmenu_B3_over = new Image(); sndmenu_B3_over.src = "buttons/sndmenu_B3_over.gif"
  sndmenu_B4_off = new Image(); sndmenu_B4_off.src = "buttons/sndmenu_B4.gif"
  sndmenu_B4_over = new Image(); sndmenu_B4_over.src = "buttons/sndmenu_B4_over.gif"
  sndmenu_B5_off = new Image(); sndmenu_B5_off.src = "buttons/sndmenu_B5.gif"
  sndmenu_B5_over = new Image(); sndmenu_B5_over.src = "buttons/sndmenu_B5_over.gif"
  sndmenu_B6_off = new Image(); sndmenu_B6_off.src = "buttons/sndmenu_B6.gif"
  sndmenu_B6_over = new Image(); sndmenu_B6_over.src = "buttons/sndmenu_B6_over.gif"
  sndmenu_B7_off = new Image(); sndmenu_B7_off.src = "buttons/sndmenu_B7.gif"
  sndmenu_B7_over = new Image(); sndmenu_B7_over.src = "buttons/sndmenu_B7_over.gif"
}