How Do I Make This Script Work With Mozilla Browsers?

I'm having trouble with a bit of code to make a paragraph of text change colour every second to a new, random colour:

Here's the script's function:

<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>

Then you create the text you want to change colour in a paragraph with
id "text":

<p id="text"> Here is where you type your text. </p>

This works beautifully in IE and Opera, but does absolutely nothing in
Mozilla-based browsers. Can I do anything to this script to make it
work in Mozilla browsers?