var warning = "Improved pictures:\nCopyright © 1999-2006 &\ncopyright © 2006-current\nall by Zenith I.C.";

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

function protect(ie) {
	if (navigator.appName == 'Netscape' && ie.which == 3) {
		alert(warning);
		return false;
	} else {
		if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
			alert(warning);
			return false;
		}
	}
	return true;
}

//window.onload=trap;