var Greetings = "The images and text within are subject to copyright.";
function disableRightClick(btnClick) {
	if (navigator.appName == "Netscape" && btnClick.which == 3) {
     alert(Greetings);
     return false;
  }
  else if (navigator.appName =="Microsoft Internet Explorer" && event.button == 2) {
     alert(Greetings);
     return false; }
  }
document.onmousedown = disableRightClick;