/**
 * Externe Links
 *
 * @access  public
 * @version 1.0
 */
function mainExternalLinks() {
    var anchors = document.getElementsByTagName("a");
    for(var i = 0; i < anchors.length; i++) {
        if(anchors[i].getAttribute("href") && anchors[i].getAttribute("rel") == "external") {
            anchors[i].target = "_blank";
        };
    };
};