Code snippet for syntax highlight in Tumblr

header.html

<!-- Base For Syntax Highlight -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js" type="text/javascript"></script>
<script src="http://google-code-prettify.googlecode.com/svn/trunk/src/prettify.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="http://google-code-prettify.googlecode.com/svn/trunk/src/prettify.css"></link>  

<!-- Loads a nice template for syntax highlight -->
<!-- Get more templates on: http://google-code-prettify.googlecode.com/svn/trunk/styles/index.html -->
<link rel="stylesheet" type="text/css" href="https://google-code-prettify.googlecode.com/svn/trunk/styles/sons-of-obsidian.css"></link>  

<script type="text/javascript">
    
    function styleCode() {
        if (typeof disableStyleCode != 'undefined') { return; }

        var a = false;

        $('pre').each(function() {
            if (!$(this).hasClass('prettyprint')) {
                $(this).addClass('prettyprint');
                /*$(this).addClass('prettyprint linenums'); to show line numbers*/
                a = true;
            }
        });

        if (a) { prettyPrint(); } 
    }

    $(function() {styleCode();});
    
</script>