function right(e) {
//	var msg = "right-clicking on images is not permitted.";
	var msg = "";
	if (navigator.appName == 'Netscape' && e.which == 3) {
		alert(msg);
		return false;
	}
	if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
		alert(msg);
		return false;
	}
	else return true;
}

function trapclick() {
	if(document.images) {
		for(i=0;i<document.images.length;i++) {
			document.images[i].onmousedown = right;
			document.images[i].onmouseup = right;
		}
	}
}