//mouse over nav buttons
var NavButtons = new Array();
var supported = navigator.userAgent.indexOf("Mozilla")==0 && navigator.userAgent.substring(8,9) >= 3;
      function openWin() {
      if(supported) {
      howto = window.open("howto.html","howto","resizable=no,scrollbars=yes,status=no,height=500,width=500");
      return false;
      }
      else
      return true;
      }
// 
function NavButton(defsrc, hotsrc, txt){
if (supported){
this['default'] = new Image();
this['default'].src = defsrc;
this['hot'] = new Image();
this['hot'].src = hotsrc;
}
this['text'] = txt;
}
function RollOver(imgname){
if (supported){
document.images[imgname].src = NavButtons[imgname]['hot'].src;
}
StatusOver(imgname);
}
function RollOut(imgname){
if (supported){
document.images[imgname].src = NavButtons[imgname]['default'].src;
}
window.status = '';
}
function StatusOver(imgname) {
window.status = NavButtons[imgname]['text'];
}
function StatusOut() {
window.status = '';
}
// ***************ROLLOVER BUTNZ*************************
NavButtons['coursemenu'] = new 
NavButton('images/course_menu_ON.jpg', 'images/course_menu_OFF.jpg', 'click to open');
NavButtons['help'] = new 
NavButton('images/help_ON.gif', 'images/help_OFF.gif', 'Cart Help');

//  End Script