you can have something like:
Code:
<script type="text/javascript">
function bFilter(a,b) {
body.innerHTML = body.innerHTML.replace(a,b);
}
</script>
<body onload="bFilter("****","f**k");bFilter("shit","s**t");">
didn't test it or anything, but i'm sure something like that would work
Edit:
in the onload="" code, v7n filtered out my first bad word (the f one) lol,
but you get the point..