Syntax Highlighter Problem?

Syntax Highlighter Problem?

SyntaxHighlighter is not defined...

$(function(){
      SyntaxHighlighter.Highlighter.all();
    });
    $(window).load(function(){
      $('.flexslider').flexslider({
        animation: "fade",
controlNav: false,
        start: function(slider){
          $('body').removeClass('loading');
        }
      });
    });

This code is right?

please help me with this...