<!--script language="JavaScript1.1">
function derecha (e) {
if ( navigator.appName == 'Netscape' && (e.which == 3 || w.wich == 2) ) {
alert("Boton derecho inhabilitado")
return false;
}
else if (navigator.appName == 'Microsoft Internet Explorer' && (e.button == 2) ) {
alert("Boton derecho inhabilitado")
//return false;
}
document.onmousedown = derecha
}
</script-->