$(document).ready(function() {

	// I'm on the outside
	hostname = window.location.hostname
	$("a[href^=http]")
		.not("a[href*='" + hostname + "']")
		.addClass('link external')
		.attr('target', '_blank');

});

function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i = 0; i < anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
            anchor.target = "_blank";
    }
}
window.onload = externalLinks;