jQuery(document).ready(function(){
is_over = 0;
sec_id = 0;
$('ul#mainNav li.is_sub').mouseover(function(){
        sec_id = parseInt($(this).attr('sec_id'));        
        setTimeout("slideMenu(1,"+sec_id+")",250);
}).mouseout(function(){
           sec_id = parseInt($(this).attr('sec_id'));
           setTimeout("slideMenu(0,"+sec_id+")",250);
           sec_id = 0;
        });
});
function slideMenu(val,org_sec_id){   
        if(val==1 && sec_id == org_sec_id){
           $('.subMenu.sec_'+org_sec_id).slideDown(200);
        }
        if(val==0 && sec_id != org_sec_id ){
            $('li.sec_'+org_sec_id+' div.subMenu').slideUp(200);
        }
    }