function send_alert() {
  window.alert("Hey!");
}

if (document.getElementById && document.createTextNode) {
	
  var noclick = document.getElementById("do_not_click");

  if (typeof noclick.addEventListener != "undefined") {
    noclick.addEventListener("mouseover", send_alert, false);
  }

  else if (typeof noclick.attachEvent != "undefined" ) {
    noclick.attachEvent("onmouseover", send_alert);
  }

  else {
    noclick.onmouseover = send_alert;
  }

}