function changepage(page) {
  document.MainForm.action = '/cgi-bin/'+page;
  document.MainForm.submit();
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_01_over = newImage("/images/nav_01-over.jpg");
		nav_02_over = newImage("/images/nav_02-over.jpg");
		nav_03_over = newImage("/images/nav_03-over.jpg");
		nav_04_over = newImage("/images/nav_04-over.jpg");
		nav_05_over = newImage("/images/nav_05-over.jpg");
		nav_06_over = newImage("/images/nav_06-over.jpg");
		nav_07_over = newImage("/images/nav_07-over.jpg");
		nav_08_over = newImage("/images/nav_08-over.jpg");
		nav_09_over = newImage("/images/nav_09-over.jpg");
		preloadFlag = true;
	}
}


function noRightClick(e) {
  if (document.layers || document.getElementById && !document.all) {
    if (e.which == 2 || e.which == 3) {
      document.captureEvents(Event.MOUSEDOWN);
      return false;
    }
  } else if (document.all && !document.getElementById) {
    if (event.button == 2)
      return false;
  }
}
function noContextMenu () {
  return false;
}
document.onmousedown = noRightClick;
document.oncontextmenu = noContextMenu;