$(document).ready(function() {
// Add pdf icons to pdf links
$("a[href$='.pdf']").before('
');
// Add txt icons to document links (doc, rtf, txt)
$("a[href$='.doc'], a[href$='.txt'], a[href$='.rft']").before('
');
// Add zip icons to Zip file links (zip, rar)
$("a[href$='.zip'], a[href$='.rar']").before('
');
// Add email icons to email links
$("a[href^='mailto:']").before('
');
//Add external link icon to external links -
$('a').filter(function() {
//Compare the anchor tag's host name with location's host name
return this.hostname && this.hostname !== location.hostname;
}).after(' 
');
});