var fancyboxScriptDir = 'js/fancybox';

document.write('<link href="' + fancyboxScriptDir + '/jquery.fancybox-1.3.0.css" type="text/css" rel="stylesheet" media="screen" />');
document.write('<script type="text/javascript" src="' + fancyboxScriptDir + '/jquery.fancybox-1.3.0.js"></script>');