<script type="text/javascript">
  function change()
  {
  re="rgb("+Math.round(Math.random()*256)+","+Math.round(Math.random()*256)+","+Math.round(Math.random()*256)+")"
  text.style.color=re;
  }
  setInterval(change,1000);
</script>
  <p id="text"> Type your text here.... </p>