function onLoad1() {

    YAHOO.util.Event.onContentReady("navigation", function () {
        /*
            Instantiate the menu and corresponding submenus. The first argument passed 
            to the constructor is the id of the element in the DOM that represents 
            the menu; the second is an object literal representing a set of 
            configuration properties for the menu.
        */ 
        var oMenu = new YAHOO.widget.Menu("navigation", 
            { position:'static', 
              constraintoviewport: false
               });

        /*
             Call the "render" method with no arguments since the 
             markup for this Menu instance is already exists in the page.
        */
        oMenu.render();

        // Set focus to the Menu when it is made visible
        oMenu.subscribe("show", oMenu.focus);

        oMenu.show();

        /*
            Das hier sorgt dafür, dass ein Klick auf einen Hauptmenue-Eintrag
            das Untermenue aktiviert (falls das Mouse-Over mal fehlschlägt)
        */
        function onClick(sType, aArgs) {  
            var oEvent = aArgs[0],    // DOM Event
                oMenuItem = aArgs[1]; // YAHOO.widget.MenuItem instance
            if (oMenuItem) {
                var submenu = oMenuItem.cfg.getProperty("submenu");
                if (submenu) submenu.show();
            }
        }
        oMenu.subscribe("click", onClick);

    });
}