$(document).ready(function() {
    
        
    // Add pdf icons to pdf links
    $("a[href$='.pdf']").addClass("pdf");
     
    // Add txt icons to document links (doc, rtf, txt)
    $("a[href$='.doc'], a[href$='.txt'], a[href$='.rft']").addClass("txt");

    // Add zip icons to Zip file links (zip, rar)
    $("a[href$='.zip'], a[href$='.rar']").addClass("zip"); 
    
    // Add email icons to email links
    $("a[href^='mailto:']").addClass("email");

    //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;
      }).addClass("external");
      
      
    
     
});