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";
 }
}

function initMenu() {
        if (document.all && document.getElementById) {
                navRoot = document.getElementById("menu");
                //if (navRoot!=undefined) {
                for (i=0; i<navRoot.childNodes.length; i++) {
                        node = navRoot.childNodes[i];
                        if (node.nodeName == "LI") {
                                node.onmouseover = function() {
                                        this.className += " over";
                                  }
                                  node.onmouseout = function() {
                                          this.className = this.className.replace(" over", "");
                           }
                   }
                  }
                  //}
         }

}


window.onload = function() {
        externalLinks();
        initMenu();
}