过滤脚本的正则

<textarea name="t" cols="50" rows="20">
<div  checked="ttt" onload="test" onload="test">test onload="test"</div>
</textarea>

<script language="javascript">
    <!--
    function FilterScripts(content)
    {
        var sz = "";
        sz = content.replace(/<script(.|/n)*//script>/s*/ig, "");
       sz = sz.replace( //bon/w+/s*=/s*/"/w+/"/ig, "");
        return sz;
    }
    // -->
</script>
<input type="submit" onclick="t.value = FilterScripts(t.value)">