var msg="";
function disableIE() {
	if (document.all) {
		alert(msg);return false;
	}
}
function disableNS(e) {
	if (document.layers||(document.getElementById&&!document.all)) {
		if (e.which==2||e.which==3) {
			alert(msg);return false;
		}
	}
}
if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=disableNS;
} else {
	document.onmouseup=disableNS;document.oncontextmenu=disableIE;
}
document.oncontextmenu=new Function("alert(msg);return false")