if (navigator.appVersion.indexOf("2.") != -1) {
  check = false;
}

if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)) {
  check = false;
}
else {
  check = true;
}

indm1 = new Image();
indm1.src = "img/blank.gif";
indm1on = new Image();
indm1on.src = "img/indczon.gif";

indmp = new Image();
indmp.src = "img/blank.gif";
indmpon = new Image();
indmpon.src = "img/inddeon.gif";
		
	
function imgon(name) {
  document[name].src = eval(name + "on.src");
}

function imgoff(name) {
  document[name].src = eval(name + ".src");
}

NN3 = true;

function on(name) {
  if (check == true) {
    imgon(name);
  }
}

function off(name) {
  if (check == true) {
    imgoff(name);
  }
}