<script type="text/javascript">

      function colorblink(elmid,ms){
        elm=document.getElementById(elmid);
        elm.style.color="rgb("+Math.floor(Math.random()*255)+","+Math.floor(Math.random()*255)+","+Math.floor(Math.random()*255)+")";
        setTimeout("colorblink('"+elmid+"',"+ms+");",ms);
      }
    </script>
    <span id="{param}">{param}</span>

    <script type="text/javascript">colorblink("{param}",800);</script>