[japanir]

Description: This snippet extends the standard JQuery, and add a new selector, external, to find external links.

$.extend(
    $.expr[':'].external = function(obj){
        if(obj.hostname == location.hostname){
            return false;
        }
        return true;
});

/***************
Example for use, open all external links in new window
i.e, add target _blank to all external links:
***************/
$(document).ready(function(){
    $('a:external').each(function(){
        $(this).attr("target", "_blank");
    });
});