var message="";
function clickIE() { 
	if (document.all) { 
		(message);
		return false;
	}
}

function clickNS(e) { 
	if (document.layers||(document.getElementById&&!document.all)) {
		if (e.which==2||e.which==3) {
			(message);return false;
		}
	} 
}

if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS;
} else {
	document.onmouseup=clickNS;
	document.oncontextmenu=clickIE;
}

document.oncontextmenu=new Function("return false")