<BODY onLoad="Flash()" >
<SCRIPT LANGUAGE="JavaScript">
var message=" *** sua mensagem aqui **** ";
var speed=400;
var visible=0;
function Flash() {
if (visible == 0) {
window.status=message;
visible=1;
} else {
window.status="";
visible=0;
}
setTimeout('Flash()', speed);
}
</SCRIPT>
</BODY>