$.expr[':'].external = function(obj){
    return (obj.hostname
            && (obj.hostname != location.hostname)
			&& (obj.hostname != 'nortrax.com')
			&& (obj.hostname != 'www.nortrax.com')
			&& (obj.hostname != 'nortrax.pairsite.com'));
};
var externalLink = {
 init: function() {
	 $('a:external').attr('target', '_blank').addClass('external').wrapInner('<span></span>');
 }
}

$(document).ready(function(){ 	
/* externalLink.init(); */
});