function markDocumentLinks() {
	$('a[href*=".pdf"]').addClass('pdfdocument').append(' (PDF)');
	$('a[href*=".xls"]').addClass('xlsdocument').append(' (Excel)');
	$('a[href*=".doc"]').addClass('docdocument').append(' (Word)');
	return true;	
}

function gaTrackDownloadableFiles() {

	var links = $('a');

	for(var i = 0; i < links.length; i++) {
		if (links[i].href.indexOf('.pdf') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'PDF', '"+links[i].href+"']);");
		} else if (links[i].href.indexOf('.csv') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'CSV', '"+links[i].href+"']);");
		} else if (links[i].href.indexOf('.doc') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'DOC', '"+links[i].href+"']);");
		} else if (links[i].href.indexOf('.ppt') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'PPT', '"+links[i].href+"']);");
		} else if (links[i].href.indexOf('.rtf') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'RTF', '"+links[i].href+"']);");
		} else if (links[i].href.indexOf('.xls') != "-1") {
			$(links[i]).attr("onclick","javascript: _gaq.push(['_trackEvent', 'Downloads', 'XLS', '"+links[i].href+"']);");
		}
	}

	return true;	
}