1) Use CSS to style the font.
Code:
<html>
<head>
<style type="text/css">
p {
font-weight:bold;
}
</style>
</head>
<body>
<p>
Some font.
</p>
</body>
</html>
With this, everything inside <p></p> tags will be bold. You can change the tag if you want to use <p></p>.
2) You can't view IP's with Javascript.