Hola a todos:
Solución javascript
:
<html>
<head>
<script>
function parpadear() {
with (document.getElementById("parpadeo").style)
visibility = (visibility == "visible") ? "hidden" : "visible";
}
</script>
</head>
<body onload="setInterval('parpadear()', 500)">
<span id="parpadeo"> parpadeo </span>
</body>
</html>
Saludos
