if (document.images) {
  MnuWelcome_f2 = new Image(187 ,20); MnuWelcome_f2.src = "images/MnuWelcome_f2.gif";
  MnuWelcome_f1 = new Image(187 ,20); MnuWelcome_f1.src = "images/MnuWelcome.gif";
  MnuDifferent_f2 = new Image(187 ,20); MnuDifferent_f2.src = "images/MnuDifferent_f2.gif";
  MnuDifferent_f1 = new Image(187 ,20); MnuDifferent_f1.src = "images/MnuDifferent.gif";
  MnuTrucking_f2 = new Image(187 ,20); MnuTrucking_f2.src = "images/MnuTrucking_f2.gif";
  MnuTrucking_f1 = new Image(187 ,20); MnuTrucking_f1.src = "images/MnuTrucking.gif";
  MnuExpect_f2 = new Image(187 ,20); MnuExpect_f2.src = "images/MnuExpect_f2.gif";
  MnuExpect_f1 = new Image(187 ,20); MnuExpect_f1.src = "images/MnuExpect.gif";
}