<!--
if (document.images) {
  
   leftAon = new Image ();
   leftAon.src = "images/nav_american_01.gif";
   leftBon = new Image ();
   leftBon.src = "images/nav_pana_01.gif";
   leftCon = new Image ();
   leftCon.src = "images/nav_aboutus_01.gif";
   leftDon = new Image ();
   leftDon.src = "images/nav_contactus_01.gif";
   leftEon = new Image ();
   leftEon.src = "images/nav_job_01.gif";
   leftFon = new Image ();
   leftFon.src = "images/nav_home_01.gif";
   
   leftAoff = new Image ();
   leftAoff.src = "images/nav_american_00.gif";
   leftBoff = new Image ();
   leftBoff.src = "images/nav_pana_00.gif";
   leftCoff = new Image ();
   leftCoff.src = "images/nav_aboutus_00.gif";
   leftDoff = new Image ();
   leftDoff.src = "images/nav_contactus_00.gif";
   leftEoff = new Image ();
   leftEoff.src = "images/nav_job_00.gif";
   leftFoff = new Image ();
   leftFoff.src = "images/nav_home_00.gif";
   
}

function imgOn(imgName){
if (document.images) {
    document[imgName].src = eval(imgName + "on.src");
}
}
function imgOff(imgName){ 
if (document.images) {
    document[imgName].src = eval(imgName + "off.src");
}
}
// end JavaScript-->