YAHOO.namespace("ml");

YAHOO.ml.DropDownMenu = function() {
    var obj = {};
    
    var yue = YAHOO.util.Event,
        yud = YAHOO.util.Dom;

    obj.init = function() {
        yue.onDOMReady(this.initMenu, this, true);
    };

    obj.initMenu = function() {
        var navEls = yud.get("nav").getElementsByTagName("LI");
        yue.on(navEls, "mouseover", this.menuMouseOver);
        yue.on(navEls, "mouseout", this.menuMouseOut);
    };

    obj.menuMouseOver = function(e) { 
        yud.addClass(this, "nav-hover"); 
    };

    obj.menuMouseOut = function(e) { 
        yud.removeClass(this, "nav-hover"); 
    };
    
    return obj;
}();

YAHOO.ml.DropDownMenu.init();