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");