// © G.E. Drenth, 2002-2004
if (window.Event) 
document.captureEvents(Event.MOUSEUP); 
function nocontextmenu(){ 
event.cancelBubble = true 
event.returnValue = false; 
return false; 
} 
function norightclick(e){ 
if (window.Event) {
	if (e.which == 2 || e.which == 3)
	return false; 
	} 
else if (event.button == 2 || event.button == 3) {
	event.cancelBubble = true 
	event.returnValue = false; 
	return false; 
	}
} 
if (document.layers) { 
	document.captureEvents(Event.MOUSEDOWN); 
} 
document.oncontextmenu = nocontextmenu; 
document.onmousedown = norightclick; 
document.onmouseup = norightclick; 

function microsoftKeyPress() {
    if (window.event.keyCode == 27)
	        top.close();
}