if (document.images) {
Inav_02_01 = new Image(180, 32);Inav_02_01.src = 'nav/images/nav_02_01.jpg';
Inav_02_01o = new Image(180, 32);Inav_02_01o.src = 'nav/images/nav_02_01_over.jpg';
Inav_03_01 = new Image(180, 32);Inav_03_01.src = 'nav/images/nav_03_01.jpg';
Inav_03_01o = new Image(180, 32);Inav_03_01o.src = 'nav/images/nav_03_01_over.jpg';
Inav_04_01 = new Image(180, 32);Inav_04_01.src = 'nav/images/nav_04_01.jpg';
Inav_04_01o = new Image(180, 32);Inav_04_01o.src = 'nav/images/nav_04_01_over.jpg';
Inav_05_01 = new Image(180, 32);Inav_05_01.src = 'nav/images/nav_05_01.jpg';
Inav_05_01o = new Image(180, 32);Inav_05_01o.src = 'nav/images/nav_05_01_over.jpg';
Inav_06_01 = new Image(180, 32);Inav_06_01.src = 'nav/images/nav_06_01.jpg';
Inav_06_01o = new Image(180, 32);Inav_06_01o.src = 'nav/images/nav_06_01_over.jpg';
Inav_07_01 = new Image(180, 32);Inav_07_01.src = 'nav/images/nav_07_01.jpg';
Inav_07_01o = new Image(180, 32);Inav_07_01o.src = 'nav/images/nav_07_01_over.jpg';
Inav_08_01 = new Image(180, 35);Inav_08_01.src = 'nav/images/nav_08_01.jpg';
Inav_08_01o = new Image(180, 35);Inav_08_01o.src = 'nav/images/nav_08_01_over.jpg';
}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

// function that displays status bar message

function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}
var showMsg = navigator.userAgent != "Mozilla/4.0 (compatible; MSIE 4.0; Mac_PowerPC)";
function dmim(msgStr) {
  document.returnValue = false;
  if (showMsg) { 
    window.status = msgStr;
    document.returnValue = true;
  }
}