<!-- hide 
  if (document.images) {
  vision_r2_c1_f2 = new Image(299 ,73); vision_r2_c1_f2.src = "nav/vision_r2_c1_f2.gif";
  vision_r2_c1_f1 = new Image(299 ,73); vision_r2_c1_f1.src = "nav/vision_r2_c1.gif";
  vision_r3_c1_f2 = new Image(299 ,84); vision_r3_c1_f2.src = "nav/vision_r3_c1_f2.gif";
  vision_r3_c1_f1 = new Image(299 ,84); vision_r3_c1_f1.src = "nav/vision_r3_c1.gif";
  vision_r4_c1_f2 = new Image(299 ,73); vision_r4_c1_f2.src = "nav/vision_r4_c1_f2.gif";
  vision_r4_c1_f1 = new Image(299 ,73); vision_r4_c1_f1.src = "nav/vision_r4_c1.gif";
  vision_r5_c1_f2 = new Image(299 ,76); vision_r5_c1_f2.src = "nav/vision_r5_c1_f2.gif";
  vision_r5_c1_f1 = new Image(299 ,76); vision_r5_c1_f1.src = "nav/vision_r5_c1.gif";
  vision_r6_c1_f1 = new Image(299 ,76); vision_r6_c1_f1.src = "nav/vision_r6_c1.gif";
  vision_r7_c1_f1 = new Image(299 ,76); vision_r7_c1_f1.src = "nav/home_button1.gif";
  vision_r7_c1_f1 = new Image(299 ,76); vision_r7_c1_f1.src = "nav/home_button1_f2.gif";
  vision_r8_c1_f1 = new Image(299 ,76); vision_r8_c1_f1.src = "nav/nav_bottom.gif";
  vision_r9_c1_f1 = new Image(299 ,76); vision_r9_c1_f1.src = "nav/contact_button1.gif";
  vision_r9_c1_f1 = new Image(299 ,76); vision_r9_c1_f1.src = "nav/contact_button1_f2.gif";
  }
  // stop hiding -->