$(document).ready(function() {
    $('#nav').find('li').hover(function() {
        
           var idname = $(this).attr("id");
           if(idname == "")
           {
            $(this).children('ul').css({display:'block',margin:'none'});
            $(this).children('a').css({color:'#0071BC',backgroundImage:'url("/Images/hover.jpg")'});
           }
           if(idname == "ext")
            {
                
                $(this).children('ul').css({display:'block',margin:'none'});
            $(this).children('a').css({color:'#0071BC',backgroundImage:'url("/Images/hover.jpg")'});
            } 
            if(idname == "extgold")
            {
                
                $(this).children('ul').css({display:'block',margin:'none'});
                $(this).children('a').css({color:'#0071BC',backgroundImage:'url("/Images/hover-gold.jpg")'});
            } 
          
       
    }, function() {
    
        var idname = $(this).attr("id");
        if(idname == "")
        {
      
            $(this).children('ul').css({display:'none',margin:'none'});
            $(this).children('a').css({color:'#1CA3E5',backgroundImage:'url("/Images/defaultNav.jpg")'});
        }
        if(idname == "ext")
        {
            
            $(this).children('ul').css({display:'none',margin:'none'});
            $(this).children('a').css({color:'#1CA3E5',backgroundImage:'url("/Images/defaultNav2.jpg")'});
        }
        if(idname == "extgold")
        {
            
            $(this).children('ul').css({display:'none',margin:'none'});
            $(this).children('a').css({color:'#1CA3E5',backgroundImage:'url("/Images/defaultNav.jpg")'});
        }
    });
});