$(document).ready(function() {
    
    $("#menu-navigation a").mouseover(function() { //When trigger is clicked…
        //Following events are applied to the subnav itself (moving subnav up and down)        
        $(this).parent().find("ul.sub-menu").show(); //Drop down the subnav on click
        $(this).parent().find("ul.sub-menu ul").hide(); //Drop down the subnav on click
    
        $(this).parent().hover(function() {
        }, function(){
            $(this).parent().find("ul.sub-menu").hide(); //When the mouse hovers out of the subnav, move it back up
        }); 
    //Following events are applied to the trigger (Hover events for the trigger)
    }).hover(function() {
        $(this).addClass("subhover"); //On hover over, add class “subhover”
    }, function(){ //On Hover Out
        $(this).removeClass("subhover"); //On hover out, remove class “subhover”
    });
    
});