oder so ?
<html>
<head>
<script type="text/javascript">
function blinker2(zeit) {
var spans=document.getElementsByTagName("span");
for(k=0; k<spans.length; k++) {
with (spans[k]) {
if (className.substr(0, 5) == "blink") {
style.visibility= style.visibility == "hidden" ? "visible":"hidden";
}
}
}
window.setTimeout("blinker2("+zeit+")", zeit);
}
</script>
<style type="text/css">
span.blink_farbe {
color: #FF0000;
}
</style>
</head>
<body onLoad="blinker2(500)">
Hallo! <span class="blink_farbe">Dieser Text 1 blinkt!</span>
Hallo! <span class="blink_farbe">Dieser Text 2 blinkt auch!</span>
</body>
</html>