function right(e) 
{
	if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
		return false;
	else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3))
	{
		alert("Sorry, you do not have permission to right click.");
		return false;
	}
	return true;
}

function KeyControl()
{
	
	if (event.keyCode==17 || event.keyCode==82 || event.keyCode==116 || event.keyCode==67)
	{
		event.returnValue=false;
		event.keyCode=0;
	}
}

document.onmousedown=right;
document.onmouseup=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
if (document.layers) window.captureEvents(Event.MOUSEUP);
window.onmousedown=right;
window.onmouseup=right;