Event.observe ( window, "load", function() {
    $$('.nav_menu_root').each(function(item) {
        Event.observe(item, "mouseover", function() {
            
            if (item.className.match( /(^|\s)navHome(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_blue_light.jpg')";
            } else if (item.className.match( /(^|\s)navLocal(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_blue.jpg')";
            } else if (item.className.match( /(^|\s)navSports(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_red.jpg')";
            } else if (item.className.match( /(^|\s)navBusiness(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_green.jpg')";
            } else if (item.className.match( /(^|\s)navWorld(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_orange.jpg')";
            } else if (item.className.match( /(^|\s)navWeather(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_yellow.jpg')";	
            } else if (item.className.match( /(^|\s)navEntertainment(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_purple.jpg')";	
            } else if (item.className.match( /(^|\s)navAbout(\s|$)/ )) {
                item.style.backgroundImage = "url('/images/menu/menu_bg_blue.jpg')";
                $A(item.childNodes).each(function(node) {
                    if (node.className == "nav_menu_subitems") {
                        node.style.left = "0px";
                    }
                });                 
                    				
            } else {
                item.style.backgroundImage = "url('/images/menu/menu_bg_default.jpg')";
            }
            
            $A(item.childNodes).each(function(node) {
                if (node.className == "nav_menu_subitems") {
                    node.style.display = "block";
                }
            });            
        });
        
        Event.observe(item, "mouseout", function() {
            item.style.backgroundImage = "";
            
            $A(item.childNodes).each(function(node) {
                if (node.className == "nav_menu_subitems") {
                    node.style.display = "none";
                }
            });    
        });        
    });
});