function click(e) {
var rightclick = false;
e = e || window.event;
if (e.which)
rightclick = (e.which == 3);
else if (e.button)
rightclick = (e.button == 2);
if (rightclick) {
alert('Copyright © 2000-2010 \nGP SYSTEM (SINGAPORE) PTE LTD \nAll Rights Reserved');
return false;
}
}
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;