$(document).ready(function() {


    // Add pdf icons to pdf links
    $("a[href$='.tif']").addClass("tiff");

    // 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");
    //You might also want to set the _target attribute to blank
    /*
    $('a').filter(function() {
    //Compare the anchor tag's host name with location's host name
    return this.hostname && this.hostname !== location.hostname;
    }).addClass("external").attr("target", "_blank");
    */
});